CVEDB API

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2021-20027

A buffer overflow vulnerability in SonicOS allows a remote attacker to cause a Denial of Service (DoS) by sending a specially crafted request. This vulnerability affects SonicOS Gen5, Gen6, Gen7 platforms, and SonicOSv virtual firewalls.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.004

EPSS Ranking 58.5%

CVSS Severity

CVSS v3 Score 7.5

CVSS v2 Score 5.0

References

Products affected by CVE-2021-20027

Sonicwall » Nsa 2650 » Version: N/A

cpe:2.3:h:sonicwall:nsa_2650:-
Sonicwall » Nsa 2700 » Version: N/A

cpe:2.3:h:sonicwall:nsa_2700:-
Sonicwall » Nsa 3650 » Version: N/A

cpe:2.3:h:sonicwall:nsa_3650:-
Sonicwall » Nsa 3700 » Version: N/A

cpe:2.3:h:sonicwall:nsa_3700:-
Sonicwall » Nsa 4650 » Version: N/A

cpe:2.3:h:sonicwall:nsa_4650:-
Sonicwall » Nsa 4700 » Version: N/A

cpe:2.3:h:sonicwall:nsa_4700:-
Sonicwall » Nsa 5650 » Version: N/A

cpe:2.3:h:sonicwall:nsa_5650:-
Sonicwall » Nsa 6650 » Version: N/A

cpe:2.3:h:sonicwall:nsa_6650:-
Sonicwall » Nsa 6700 » Version: N/A

cpe:2.3:h:sonicwall:nsa_6700:-
Sonicwall » Nsa 9250 » Version: N/A

cpe:2.3:h:sonicwall:nsa_9250:-
Sonicwall » Nsa 9450 » Version: N/A

cpe:2.3:h:sonicwall:nsa_9450:-
Sonicwall » Nsa 9650 » Version: N/A

cpe:2.3:h:sonicwall:nsa_9650:-
Sonicwall » Nssp 12400 » Version: N/A

cpe:2.3:h:sonicwall:nssp_12400:-
Sonicwall » Nssp 12800 » Version: N/A

cpe:2.3:h:sonicwall:nssp_12800:-
Sonicwall » Nssp 13700 » Version: N/A

cpe:2.3:h:sonicwall:nssp_13700:-
Sonicwall » Nssp 15700 » Version: N/A

cpe:2.3:h:sonicwall:nssp_15700:-
Sonicwall » Nsv 100 » Version: N/A

cpe:2.3:h:sonicwall:nsv_100:-
Sonicwall » Nsv 10 » Version: N/A

cpe:2.3:h:sonicwall:nsv_10:-
Sonicwall » Nsv 1600 » Version: N/A

cpe:2.3:h:sonicwall:nsv_1600:-
Sonicwall » Nsv 200 » Version: N/A

cpe:2.3:h:sonicwall:nsv_200:-
Sonicwall » Nsv 25 » Version: N/A

cpe:2.3:h:sonicwall:nsv_25:-
Sonicwall » Nsv 270 » Version: N/A

cpe:2.3:h:sonicwall:nsv_270:-
Sonicwall » Nsv 300 » Version: N/A

cpe:2.3:h:sonicwall:nsv_300:-
Sonicwall » Nsv 400 » Version: N/A

cpe:2.3:h:sonicwall:nsv_400:-
Sonicwall » Nsv 470 » Version: N/A

cpe:2.3:h:sonicwall:nsv_470:-
Sonicwall » Nsv 50 » Version: N/A

cpe:2.3:h:sonicwall:nsv_50:-
Sonicwall » Nsv 800 » Version: N/A

cpe:2.3:h:sonicwall:nsv_800:-
Sonicwall » Nsv 870 » Version: N/A

cpe:2.3:h:sonicwall:nsv_870:-
Sonicwall » Soho 250 » Version: N/A

cpe:2.3:h:sonicwall:soho_250:-
Sonicwall » Soho 250w » Version: N/A

cpe:2.3:h:sonicwall:soho_250w:-
Sonicwall » Supermassive 9200 » Version: N/A

cpe:2.3:h:sonicwall:supermassive_9200:-
Sonicwall » Supermassive 9400 » Version: N/A

cpe:2.3:h:sonicwall:supermassive_9400:-
Sonicwall » Supermassive 9600 » Version: N/A

cpe:2.3:h:sonicwall:supermassive_9600:-
Sonicwall » Supermassive 9800 » Version: N/A

cpe:2.3:h:sonicwall:supermassive_9800:-
Sonicwall » Supermassive E10200 » Version: N/A

cpe:2.3:h:sonicwall:supermassive_e10200:-
Sonicwall » Supermassive E10400 » Version: N/A

cpe:2.3:h:sonicwall:supermassive_e10400:-
Sonicwall » Supermassive E10800 » Version: N/A

cpe:2.3:h:sonicwall:supermassive_e10800:-
Sonicwall » Tz270 » Version: N/A

cpe:2.3:h:sonicwall:tz270:-
Sonicwall » Tz270w » Version: N/A

cpe:2.3:h:sonicwall:tz270w:-
Sonicwall » Tz300 » Version: N/A

cpe:2.3:h:sonicwall:tz300:-
Sonicwall » Tz300p » Version: N/A

cpe:2.3:h:sonicwall:tz300p:-
Sonicwall » Tz300w » Version: N/A

cpe:2.3:h:sonicwall:tz300w:-
Sonicwall » Tz350 » Version: N/A

cpe:2.3:h:sonicwall:tz350:-
Sonicwall » Tz350w » Version: N/A

cpe:2.3:h:sonicwall:tz350w:-
Sonicwall » Tz370 » Version: N/A

cpe:2.3:h:sonicwall:tz370:-
Sonicwall » Tz370w » Version: N/A

cpe:2.3:h:sonicwall:tz370w:-
Sonicwall » Tz400 » Version: N/A

cpe:2.3:h:sonicwall:tz400:-
Sonicwall » Tz400w » Version: N/A

cpe:2.3:h:sonicwall:tz400w:-
Sonicwall » Tz470 » Version: N/A

cpe:2.3:h:sonicwall:tz470:-
Sonicwall » Tz470w » Version: N/A

cpe:2.3:h:sonicwall:tz470w:-
Sonicwall » Tz500 » Version: N/A

cpe:2.3:h:sonicwall:tz500:-
Sonicwall » Tz500w » Version: N/A

cpe:2.3:h:sonicwall:tz500w:-
Sonicwall » Tz570 » Version: N/A

cpe:2.3:h:sonicwall:tz570:-
Sonicwall » Tz570p » Version: N/A

cpe:2.3:h:sonicwall:tz570p:-
Sonicwall » Tz570w » Version: N/A

cpe:2.3:h:sonicwall:tz570w:-
Sonicwall » Tz600 » Version: N/A

cpe:2.3:h:sonicwall:tz600:-
Sonicwall » Tz600p » Version: N/A

cpe:2.3:h:sonicwall:tz600p:-
Sonicwall » Tz670 » Version: N/A

cpe:2.3:h:sonicwall:tz670:-
Sonicwall » Sonicos » Version: N/A

cpe:2.3:o:sonicwall:sonicos:-
Sonicwall » Sonicos » Version: 5.0.0.0

cpe:2.3:o:sonicwall:sonicos:5.0.0.0
Sonicwall » Sonicos » Version: 5.0.0.13

cpe:2.3:o:sonicwall:sonicos:5.0.0.13
Sonicwall » Sonicos » Version: 5.0.0.6

cpe:2.3:o:sonicwall:sonicos:5.0.0.6
Sonicwall » Sonicos » Version: 5.0.0.8

cpe:2.3:o:sonicwall:sonicos:5.0.0.8
Sonicwall » Sonicos » Version: 5.8.0.0

cpe:2.3:o:sonicwall:sonicos:5.8.0.0
Sonicwall » Sonicos » Version: 5.8.0.2

cpe:2.3:o:sonicwall:sonicos:5.8.0.2
Sonicwall » Sonicos » Version: 5.8.1.10

cpe:2.3:o:sonicwall:sonicos:5.8.1.10
Sonicwall » Sonicos » Version: 5.8.1.5

cpe:2.3:o:sonicwall:sonicos:5.8.1.5
Sonicwall » Sonicos » Version: 5.9.0.0

cpe:2.3:o:sonicwall:sonicos:5.9.0.0
Sonicwall » Sonicos » Version: 5.9.0.7

cpe:2.3:o:sonicwall:sonicos:5.9.0.7
Sonicwall » Sonicos » Version: 5.9.1.0

cpe:2.3:o:sonicwall:sonicos:5.9.1.0
Sonicwall » Sonicos » Version: 5.9.1.10

cpe:2.3:o:sonicwall:sonicos:5.9.1.10
Sonicwall » Sonicos » Version: 5.9.1.12

cpe:2.3:o:sonicwall:sonicos:5.9.1.12
Sonicwall » Sonicos » Version: 5.9.1.12-4o

cpe:2.3:o:sonicwall:sonicos:5.9.1.12-4o
Sonicwall » Sonicos » Version: 5.9.1.13

cpe:2.3:o:sonicwall:sonicos:5.9.1.13
Sonicwall » Sonicos » Version: 5.9.2.14-12o

cpe:2.3:o:sonicwall:sonicos:5.9.2.14-12o
Sonicwall » Sonicos » Version: 5.9.2.14-13o

cpe:2.3:o:sonicwall:sonicos:5.9.2.14-13o
Sonicwall » Sonicos » Version: 6.0.0.0

cpe:2.3:o:sonicwall:sonicos:6.0.0.0
Sonicwall » Sonicos » Version: 6.0.5.3

cpe:2.3:o:sonicwall:sonicos:6.0.5.3
Sonicwall » Sonicos » Version: 6.0.5.3-86o

cpe:2.3:o:sonicwall:sonicos:6.0.5.3-86o
Sonicwall » Sonicos » Version: 6.0.5.3-94o

cpe:2.3:o:sonicwall:sonicos:6.0.5.3-94o
Sonicwall » Sonicos » Version: 6.1.2.0

cpe:2.3:o:sonicwall:sonicos:6.1.2.0
Sonicwall » Sonicos » Version: 6.2.0.0

cpe:2.3:o:sonicwall:sonicos:6.2.0.0
Sonicwall » Sonicos » Version: 6.2.0.1

cpe:2.3:o:sonicwall:sonicos:6.2.0.1
Sonicwall » Sonicos » Version: 6.2.1.0

cpe:2.3:o:sonicwall:sonicos:6.2.1.0
Sonicwall » Sonicos » Version: 6.2.2.0

cpe:2.3:o:sonicwall:sonicos:6.2.2.0
Sonicwall » Sonicos » Version: 6.2.3.1

cpe:2.3:o:sonicwall:sonicos:6.2.3.1
Sonicwall » Sonicos » Version: 6.2.4.0

cpe:2.3:o:sonicwall:sonicos:6.2.4.0
Sonicwall » Sonicos » Version: 6.2.4.3

cpe:2.3:o:sonicwall:sonicos:6.2.4.3
Sonicwall » Sonicos » Version: 6.2.5.0

cpe:2.3:o:sonicwall:sonicos:6.2.5.0
Sonicwall » Sonicos » Version: 6.2.5.3

cpe:2.3:o:sonicwall:sonicos:6.2.5.3
Sonicwall » Sonicos » Version: 6.2.6.0

cpe:2.3:o:sonicwall:sonicos:6.2.6.0
Sonicwall » Sonicos » Version: 6.2.6.1

cpe:2.3:o:sonicwall:sonicos:6.2.6.1
Sonicwall » Sonicos » Version: 6.2.7.0

cpe:2.3:o:sonicwall:sonicos:6.2.7.0
Sonicwall » Sonicos » Version: 6.2.7.1

cpe:2.3:o:sonicwall:sonicos:6.2.7.1
Sonicwall » Sonicos » Version: 6.2.7.10-3n

cpe:2.3:o:sonicwall:sonicos:6.2.7.10-3n
Sonicwall » Sonicos » Version: 6.2.7.3

cpe:2.3:o:sonicwall:sonicos:6.2.7.3
Sonicwall » Sonicos » Version: 6.2.7.4

cpe:2.3:o:sonicwall:sonicos:6.2.7.4
Sonicwall » Sonicos » Version: 6.2.7.4-32n

cpe:2.3:o:sonicwall:sonicos:6.2.7.4-32n
Sonicwall » Sonicos » Version: 6.2.7.5

cpe:2.3:o:sonicwall:sonicos:6.2.7.5
Sonicwall » Sonicos » Version: 6.2.7.7

cpe:2.3:o:sonicwall:sonicos:6.2.7.7
Sonicwall » Sonicos » Version: 6.2.7.8

cpe:2.3:o:sonicwall:sonicos:6.2.7.8
Sonicwall » Sonicos » Version: 6.2.9.0

cpe:2.3:o:sonicwall:sonicos:6.2.9.0
Sonicwall » Sonicos » Version: 6.2.9.1

cpe:2.3:o:sonicwall:sonicos:6.2.9.1
Sonicwall » Sonicos » Version: 6.2.9.2

cpe:2.3:o:sonicwall:sonicos:6.2.9.2
Sonicwall » Sonicos » Version: 6.4.0.0

cpe:2.3:o:sonicwall:sonicos:6.4.0.0
Sonicwall » Sonicos » Version: 6.4.1.0-3n

cpe:2.3:o:sonicwall:sonicos:6.4.1.0-3n
Sonicwall » Sonicos » Version: 6.5.0.0

cpe:2.3:o:sonicwall:sonicos:6.5.0.0
Sonicwall » Sonicos » Version: 6.5.0.3

cpe:2.3:o:sonicwall:sonicos:6.5.0.3
Sonicwall » Sonicos » Version: 6.5.1.0

cpe:2.3:o:sonicwall:sonicos:6.5.1.0
Sonicwall » Sonicos » Version: 6.5.1.11

cpe:2.3:o:sonicwall:sonicos:6.5.1.11
Sonicwall » Sonicos » Version: 6.5.1.12-3n

cpe:2.3:o:sonicwall:sonicos:6.5.1.12-3n
Sonicwall » Sonicos » Version: 6.5.1.3

cpe:2.3:o:sonicwall:sonicos:6.5.1.3
Sonicwall » Sonicos » Version: 6.5.1.4

cpe:2.3:o:sonicwall:sonicos:6.5.1.4
Sonicwall » Sonicos » Version: 6.5.1.4-4n

cpe:2.3:o:sonicwall:sonicos:6.5.1.4-4n
Sonicwall » Sonicos » Version: 6.5.1.5

cpe:2.3:o:sonicwall:sonicos:6.5.1.5
Sonicwall » Sonicos » Version: 6.5.1.8

cpe:2.3:o:sonicwall:sonicos:6.5.1.8
Sonicwall » Sonicos » Version: 6.5.1.9-4n

cpe:2.3:o:sonicwall:sonicos:6.5.1.9-4n
Sonicwall » Sonicos » Version: 6.5.2.0

cpe:2.3:o:sonicwall:sonicos:6.5.2.0
Sonicwall » Sonicos » Version: 6.5.2.1

cpe:2.3:o:sonicwall:sonicos:6.5.2.1
Sonicwall » Sonicos » Version: 6.5.2.2

cpe:2.3:o:sonicwall:sonicos:6.5.2.2
Sonicwall » Sonicos » Version: 6.5.2.3

cpe:2.3:o:sonicwall:sonicos:6.5.2.3
Sonicwall » Sonicos » Version: 6.5.2.3-4n

cpe:2.3:o:sonicwall:sonicos:6.5.2.3-4n
Sonicwall » Sonicos » Version: 6.5.2.8-2n

cpe:2.3:o:sonicwall:sonicos:6.5.2.8-2n
Sonicwall » Sonicos » Version: 6.5.3.0

cpe:2.3:o:sonicwall:sonicos:6.5.3.0
Sonicwall » Sonicos » Version: 6.5.3.1

cpe:2.3:o:sonicwall:sonicos:6.5.3.1
Sonicwall » Sonicos » Version: 6.5.3.3

cpe:2.3:o:sonicwall:sonicos:6.5.3.3
Sonicwall » Sonicos » Version: 6.5.3.3-3n

cpe:2.3:o:sonicwall:sonicos:6.5.3.3-3n
Sonicwall » Sonicos » Version: 6.5.4.0

cpe:2.3:o:sonicwall:sonicos:6.5.4.0
Sonicwall » Sonicos » Version: 6.5.4.0.

cpe:2.3:o:sonicwall:sonicos:6.5.4.0.
Sonicwall » Sonicos » Version: 6.5.4.11-97n

cpe:2.3:o:sonicwall:sonicos:6.5.4.11-97n
Sonicwall » Sonicos » Version: 6.5.4.13-105n

cpe:2.3:o:sonicwall:sonicos:6.5.4.13-105n
Sonicwall » Sonicos » Version: 6.5.4.14-109n

cpe:2.3:o:sonicwall:sonicos:6.5.4.14-109n
Sonicwall » Sonicos » Version: 6.5.4.15.116n

cpe:2.3:o:sonicwall:sonicos:6.5.4.15.116n
Sonicwall » Sonicos » Version: 6.5.4.3

cpe:2.3:o:sonicwall:sonicos:6.5.4.3
Sonicwall » Sonicos » Version: 6.5.4.4

cpe:2.3:o:sonicwall:sonicos:6.5.4.4
Sonicwall » Sonicos » Version: 6.5.4.4-44n

cpe:2.3:o:sonicwall:sonicos:6.5.4.4-44n
Sonicwall » Sonicos » Version: 6.5.4.4-44v-21-1551

cpe:2.3:o:sonicwall:sonicos:6.5.4.4-44v-21-1551
Sonicwall » Sonicos » Version: 6.5.4.4-44v-21-2340

cpe:2.3:o:sonicwall:sonicos:6.5.4.4-44v-21-2340
Sonicwall » Sonicos » Version: 6.5.4.5

cpe:2.3:o:sonicwall:sonicos:6.5.4.5
Sonicwall » Sonicos » Version: 6.5.4.6-79n

cpe:2.3:o:sonicwall:sonicos:6.5.4.6-79n
Sonicwall » Sonicos » Version: 6.5.4.7

cpe:2.3:o:sonicwall:sonicos:6.5.4.7
Sonicwall » Sonicos » Version: 6.5.4.7-83n

cpe:2.3:o:sonicwall:sonicos:6.5.4.7-83n
Sonicwall » Sonicos » Version: 6.5.4.v-21s-rc2457

cpe:2.3:o:sonicwall:sonicos:6.5.4.v-21s-rc2457
Sonicwall » Sonicos » Version: 7.0.0.0

cpe:2.3:o:sonicwall:sonicos:7.0.0.0
Sonicwall » Sonicos » Version: 7.0.1

cpe:2.3:o:sonicwall:sonicos:7.0.1
Sonicwall » Sonicos » Version: 7.0.1-5019

cpe:2.3:o:sonicwall:sonicos:7.0.1-5019
Sonicwall » Sonicos » Version: 7.0.1-5023

cpe:2.3:o:sonicwall:sonicos:7.0.1-5023
Sonicwall » Sonicos » Version: 7.0.1-5026

cpe:2.3:o:sonicwall:sonicos:7.0.1-5026
Sonicwall » Sonicos » Version: 7.0.1-5030

cpe:2.3:o:sonicwall:sonicos:7.0.1-5030
Sonicwall » Sonicos » Version: 7.0.1-5030-r2007

cpe:2.3:o:sonicwall:sonicos:7.0.1-5030-r2007
Sonicwall » Sonicos » Version: 7.0.1-5030-r945

cpe:2.3:o:sonicwall:sonicos:7.0.1-5030-r945
Sonicwall » Sonicos » Version: 7.0.1-5035

cpe:2.3:o:sonicwall:sonicos:7.0.1-5035
Sonicwall » Sonicos » Version: 7.0.1-5052

cpe:2.3:o:sonicwall:sonicos:7.0.1-5052
Sonicwall » Sonicos » Version: 7.0.1-5054

cpe:2.3:o:sonicwall:sonicos:7.0.1-5054
Sonicwall » Sonicos » Version: 7.0.1-5065

cpe:2.3:o:sonicwall:sonicos:7.0.1-5065
Sonicwall » Sonicos » Version: 7.0.1-5072

cpe:2.3:o:sonicwall:sonicos:7.0.1-5072
Sonicwall » Sonicos » Version: 7.0.1-5080

cpe:2.3:o:sonicwall:sonicos:7.0.1-5080
Sonicwall » Sonicos » Version: 7.0.1-5083

cpe:2.3:o:sonicwall:sonicos:7.0.1-5083
Sonicwall » Sonicos » Version: 7.0.1-5095

cpe:2.3:o:sonicwall:sonicos:7.0.1-5095
Sonicwall » Sonicos » Version: 7.0.1-5100

cpe:2.3:o:sonicwall:sonicos:7.0.1-5100
Sonicwall » Sonicos » Version: 7.0.1-5111

cpe:2.3:o:sonicwall:sonicos:7.0.1-5111
Sonicwall » Sonicos » Version: 7.0.1-5119

cpe:2.3:o:sonicwall:sonicos:7.0.1-5119
Sonicwall » Sonicos » Version: 7.0.1-5129

cpe:2.3:o:sonicwall:sonicos:7.0.1-5129
Sonicwall » Sonicos » Version: 7.0.1-5145

cpe:2.3:o:sonicwall:sonicos:7.0.1-5145
Sonicwall » Sonicos » Version: 7.0.1-5151

cpe:2.3:o:sonicwall:sonicos:7.0.1-5151
Sonicwall » Sonicos » Version: 7.0.1-5161

cpe:2.3:o:sonicwall:sonicos:7.0.1-5161
Sonicwall » Sonicos » Version: 7.0.1-5165

cpe:2.3:o:sonicwall:sonicos:7.0.1-5165
Sonicwall » Sonicos » Version: 7.0.1.0

cpe:2.3:o:sonicwall:sonicos:7.0.1.0
Sonicwall » Sonicos » Version: 7.1.1-7040

cpe:2.3:o:sonicwall:sonicos:7.1.1-7040
Sonicwall » Sonicos » Version: 7.1.1-7047

cpe:2.3:o:sonicwall:sonicos:7.1.1-7047
Sonicwall » Sonicos » Version: 7.1.1-7051

cpe:2.3:o:sonicwall:sonicos:7.1.1-7051
Sonicwall » Sonicos » Version: 7.1.1-7058

cpe:2.3:o:sonicwall:sonicos:7.1.1-7058
Sonicwall » Sonicos » Version: 7.1.2-7019

cpe:2.3:o:sonicwall:sonicos:7.1.2-7019
Sonicwall » Sonicos » Version: 7.5.0.12

cpe:2.3:o:sonicwall:sonicos:7.5.0.12
Sonicwall » Sonicos » Version: 8.0.0-8035

cpe:2.3:o:sonicwall:sonicos:8.0.0-8035
Sonicwall » Sonicos » Version: 8.0.0-8037

cpe:2.3:o:sonicwall:sonicos:8.0.0-8037

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2021-20027

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