CVEDB API

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2021-26564

Cleartext transmission of sensitive information vulnerability in synorelayd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows man-in-the-middle attackers to spoof servers via an HTTP session.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.002

EPSS Ranking 37.0%

CVSS Severity

CVSS v3 Score 8.3

CVSS v2 Score 5.8

References

Products affected by CVE-2021-26564

Synology » Skynas » Version: N/A

cpe:2.3:h:synology:skynas:-
Synology » Uc3200 » Version: N/A

cpe:2.3:h:synology:uc3200:-
Synology » Vs960hd » Version: N/A

cpe:2.3:h:synology:vs960hd:-
Synology » Diskstation Manager » Version: N/A

cpe:2.3:o:synology:diskstation_manager:-
Synology » Diskstation Manager » Version: 3.0

cpe:2.3:o:synology:diskstation_manager:3.0
Synology » Diskstation Manager » Version: 4.0

cpe:2.3:o:synology:diskstation_manager:4.0
Synology » Diskstation Manager » Version: 4.0-2259

cpe:2.3:o:synology:diskstation_manager:4.0-2259
Synology » Diskstation Manager » Version: 4.2

cpe:2.3:o:synology:diskstation_manager:4.2
Synology » Diskstation Manager » Version: 4.2-3243

cpe:2.3:o:synology:diskstation_manager:4.2-3243
Synology » Diskstation Manager » Version: 4.3

cpe:2.3:o:synology:diskstation_manager:4.3
Synology » Diskstation Manager » Version: 4.3-3810

cpe:2.3:o:synology:diskstation_manager:4.3-3810
Synology » Diskstation Manager » Version: 5.2

cpe:2.3:o:synology:diskstation_manager:5.2
Synology » Diskstation Manager » Version: 5.2-5565

cpe:2.3:o:synology:diskstation_manager:5.2-5565
Synology » Diskstation Manager » Version: 5.2-5565-1

cpe:2.3:o:synology:diskstation_manager:5.2-5565-1
Synology » Diskstation Manager » Version: 5.2-5565-2

cpe:2.3:o:synology:diskstation_manager:5.2-5565-2
Synology » Diskstation Manager » Version: 5.2-5592

cpe:2.3:o:synology:diskstation_manager:5.2-5592
Synology » Diskstation Manager » Version: 5.2-5592-1

cpe:2.3:o:synology:diskstation_manager:5.2-5592-1
Synology » Diskstation Manager » Version: 5.2-5592-2

cpe:2.3:o:synology:diskstation_manager:5.2-5592-2
Synology » Diskstation Manager » Version: 5.2-5592-3

cpe:2.3:o:synology:diskstation_manager:5.2-5592-3
Synology » Diskstation Manager » Version: 5.2-5592-4

cpe:2.3:o:synology:diskstation_manager:5.2-5592-4
Synology » Diskstation Manager » Version: 5.2-5620

cpe:2.3:o:synology:diskstation_manager:5.2-5620
Synology » Diskstation Manager » Version: 5.2-5644

cpe:2.3:o:synology:diskstation_manager:5.2-5644
Synology » Diskstation Manager » Version: 5.2-5644-1

cpe:2.3:o:synology:diskstation_manager:5.2-5644-1
Synology » Diskstation Manager » Version: 5.2-5644-2

cpe:2.3:o:synology:diskstation_manager:5.2-5644-2
Synology » Diskstation Manager » Version: 5.2-5644-3

cpe:2.3:o:synology:diskstation_manager:5.2-5644-3
Synology » Diskstation Manager » Version: 5.2-5644-5

cpe:2.3:o:synology:diskstation_manager:5.2-5644-5
Synology » Diskstation Manager » Version: 5.2-5644-8

cpe:2.3:o:synology:diskstation_manager:5.2-5644-8
Synology » Diskstation Manager » Version: 5.2-5967

cpe:2.3:o:synology:diskstation_manager:5.2-5967
Synology » Diskstation Manager » Version: 5.2-5967-1

cpe:2.3:o:synology:diskstation_manager:5.2-5967-1
Synology » Diskstation Manager » Version: 5.2-5967-2

cpe:2.3:o:synology:diskstation_manager:5.2-5967-2
Synology » Diskstation Manager » Version: 5.2-5967-3

cpe:2.3:o:synology:diskstation_manager:5.2-5967-3
Synology » Diskstation Manager » Version: 5.2-5967-4

cpe:2.3:o:synology:diskstation_manager:5.2-5967-4
Synology » Diskstation Manager » Version: 5.2-5967-5

cpe:2.3:o:synology:diskstation_manager:5.2-5967-5
Synology » Diskstation Manager » Version: 5.2-5967-6

cpe:2.3:o:synology:diskstation_manager:5.2-5967-6
Synology » Diskstation Manager » Version: 5.2-5967-7

cpe:2.3:o:synology:diskstation_manager:5.2-5967-7
Synology » Diskstation Manager » Version: 5.2-5967-8

cpe:2.3:o:synology:diskstation_manager:5.2-5967-8
Synology » Diskstation Manager » Version: 5.2-5967-9

cpe:2.3:o:synology:diskstation_manager:5.2-5967-9
Synology » Diskstation Manager » Version: 6.0

cpe:2.3:o:synology:diskstation_manager:6.0
Synology » Diskstation Manager » Version: 6.0-7321

cpe:2.3:o:synology:diskstation_manager:6.0-7321
Synology » Diskstation Manager » Version: 6.0-7321-1

cpe:2.3:o:synology:diskstation_manager:6.0-7321-1
Synology » Diskstation Manager » Version: 6.0-7321-2

cpe:2.3:o:synology:diskstation_manager:6.0-7321-2
Synology » Diskstation Manager » Version: 6.0-7321-3

cpe:2.3:o:synology:diskstation_manager:6.0-7321-3
Synology » Diskstation Manager » Version: 6.0-7321-5

cpe:2.3:o:synology:diskstation_manager:6.0-7321-5
Synology » Diskstation Manager » Version: 6.0-7321-6

cpe:2.3:o:synology:diskstation_manager:6.0-7321-6
Synology » Diskstation Manager » Version: 6.0.1-7393

cpe:2.3:o:synology:diskstation_manager:6.0.1-7393
Synology » Diskstation Manager » Version: 6.0.1-7393-1

cpe:2.3:o:synology:diskstation_manager:6.0.1-7393-1
Synology » Diskstation Manager » Version: 6.0.1-7393-2

cpe:2.3:o:synology:diskstation_manager:6.0.1-7393-2
Synology » Diskstation Manager » Version: 6.0.2-8451

cpe:2.3:o:synology:diskstation_manager:6.0.2-8451
Synology » Diskstation Manager » Version: 6.0.2-8451-1

cpe:2.3:o:synology:diskstation_manager:6.0.2-8451-1
Synology » Diskstation Manager » Version: 6.0.2-8451-10

cpe:2.3:o:synology:diskstation_manager:6.0.2-8451-10
Synology » Diskstation Manager » Version: 6.0.2-8451-2

cpe:2.3:o:synology:diskstation_manager:6.0.2-8451-2
Synology » Diskstation Manager » Version: 6.0.2-8451-3

cpe:2.3:o:synology:diskstation_manager:6.0.2-8451-3
Synology » Diskstation Manager » Version: 6.0.2-8451-4

cpe:2.3:o:synology:diskstation_manager:6.0.2-8451-4
Synology » Diskstation Manager » Version: 6.0.2-8451-5

cpe:2.3:o:synology:diskstation_manager:6.0.2-8451-5
Synology » Diskstation Manager » Version: 6.0.2-8451-6

cpe:2.3:o:synology:diskstation_manager:6.0.2-8451-6
Synology » Diskstation Manager » Version: 6.0.2-8451-7

cpe:2.3:o:synology:diskstation_manager:6.0.2-8451-7
Synology » Diskstation Manager » Version: 6.0.2-8451-8

cpe:2.3:o:synology:diskstation_manager:6.0.2-8451-8
Synology » Diskstation Manager » Version: 6.0.2-8451-9

cpe:2.3:o:synology:diskstation_manager:6.0.2-8451-9
Synology » Diskstation Manager » Version: 6.0.3-8754

cpe:2.3:o:synology:diskstation_manager:6.0.3-8754
Synology » Diskstation Manager » Version: 6.0.3-8754-1

cpe:2.3:o:synology:diskstation_manager:6.0.3-8754-1
Synology » Diskstation Manager » Version: 6.0.3-8754-3

cpe:2.3:o:synology:diskstation_manager:6.0.3-8754-3
Synology » Diskstation Manager » Version: 6.0.3-8754-4

cpe:2.3:o:synology:diskstation_manager:6.0.3-8754-4
Synology » Diskstation Manager » Version: 6.0.3-8754-8

cpe:2.3:o:synology:diskstation_manager:6.0.3-8754-8
Synology » Diskstation Manager » Version: 6.1

cpe:2.3:o:synology:diskstation_manager:6.1
Synology » Diskstation Manager » Version: 6.1-15047

cpe:2.3:o:synology:diskstation_manager:6.1-15047
Synology » Diskstation Manager » Version: 6.1-15047-1

cpe:2.3:o:synology:diskstation_manager:6.1-15047-1
Synology » Diskstation Manager » Version: 6.1-15047-2

cpe:2.3:o:synology:diskstation_manager:6.1-15047-2
Synology » Diskstation Manager » Version: 6.1.1

cpe:2.3:o:synology:diskstation_manager:6.1.1
Synology » Diskstation Manager » Version: 6.1.1-15101

cpe:2.3:o:synology:diskstation_manager:6.1.1-15101
Synology » Diskstation Manager » Version: 6.1.1-15101-1

cpe:2.3:o:synology:diskstation_manager:6.1.1-15101-1
Synology » Diskstation Manager » Version: 6.1.1-15101-2

cpe:2.3:o:synology:diskstation_manager:6.1.1-15101-2
Synology » Diskstation Manager » Version: 6.1.1-15101-3

cpe:2.3:o:synology:diskstation_manager:6.1.1-15101-3
Synology » Diskstation Manager » Version: 6.1.1-15101-4

cpe:2.3:o:synology:diskstation_manager:6.1.1-15101-4
Synology » Diskstation Manager » Version: 6.1.2-15132

cpe:2.3:o:synology:diskstation_manager:6.1.2-15132
Synology » Diskstation Manager » Version: 6.1.2-15132-1

cpe:2.3:o:synology:diskstation_manager:6.1.2-15132-1
Synology » Diskstation Manager » Version: 6.1.3-15152

cpe:2.3:o:synology:diskstation_manager:6.1.3-15152
Synology » Diskstation Manager » Version: 6.1.3-15152-1

cpe:2.3:o:synology:diskstation_manager:6.1.3-15152-1
Synology » Diskstation Manager » Version: 6.1.3-15152-3

cpe:2.3:o:synology:diskstation_manager:6.1.3-15152-3
Synology » Diskstation Manager » Version: 6.1.3-15152-4

cpe:2.3:o:synology:diskstation_manager:6.1.3-15152-4
Synology » Diskstation Manager » Version: 6.1.3-15152-5

cpe:2.3:o:synology:diskstation_manager:6.1.3-15152-5
Synology » Diskstation Manager » Version: 6.1.3-15152-6

cpe:2.3:o:synology:diskstation_manager:6.1.3-15152-6
Synology » Diskstation Manager » Version: 6.1.3-15152-7

cpe:2.3:o:synology:diskstation_manager:6.1.3-15152-7
Synology » Diskstation Manager » Version: 6.1.3-15152-8

cpe:2.3:o:synology:diskstation_manager:6.1.3-15152-8
Synology » Diskstation Manager » Version: 6.1.4-15217

cpe:2.3:o:synology:diskstation_manager:6.1.4-15217
Synology » Diskstation Manager » Version: 6.1.4-15217-1

cpe:2.3:o:synology:diskstation_manager:6.1.4-15217-1
Synology » Diskstation Manager » Version: 6.1.4-15217-2

cpe:2.3:o:synology:diskstation_manager:6.1.4-15217-2
Synology » Diskstation Manager » Version: 6.1.4-15217-3

cpe:2.3:o:synology:diskstation_manager:6.1.4-15217-3
Synology » Diskstation Manager » Version: 6.1.4-15217-4

cpe:2.3:o:synology:diskstation_manager:6.1.4-15217-4
Synology » Diskstation Manager » Version: 6.1.4-15217-5

cpe:2.3:o:synology:diskstation_manager:6.1.4-15217-5
Synology » Diskstation Manager » Version: 6.1.6-15266

cpe:2.3:o:synology:diskstation_manager:6.1.6-15266
Synology » Diskstation Manager » Version: 6.1.7-15284

cpe:2.3:o:synology:diskstation_manager:6.1.7-15284
Synology » Diskstation Manager » Version: 6.1.7-15284-1

cpe:2.3:o:synology:diskstation_manager:6.1.7-15284-1
Synology » Diskstation Manager » Version: 6.1.7-15284-2

cpe:2.3:o:synology:diskstation_manager:6.1.7-15284-2
Synology » Diskstation Manager » Version: 6.1.7-15284-3

cpe:2.3:o:synology:diskstation_manager:6.1.7-15284-3
Synology » Diskstation Manager » Version: 6.2

cpe:2.3:o:synology:diskstation_manager:6.2
Synology » Diskstation Manager » Version: 6.2-23739

cpe:2.3:o:synology:diskstation_manager:6.2-23739
Synology » Diskstation Manager » Version: 6.2-23739-1

cpe:2.3:o:synology:diskstation_manager:6.2-23739-1
Synology » Diskstation Manager » Version: 6.2-23739-2

cpe:2.3:o:synology:diskstation_manager:6.2-23739-2
Synology » Diskstation Manager » Version: 6.2.1

cpe:2.3:o:synology:diskstation_manager:6.2.1
Synology » Diskstation Manager » Version: 6.2.1-23824

cpe:2.3:o:synology:diskstation_manager:6.2.1-23824
Synology » Diskstation Manager » Version: 6.2.1-23824-1

cpe:2.3:o:synology:diskstation_manager:6.2.1-23824-1
Synology » Diskstation Manager » Version: 6.2.1-23824-2

cpe:2.3:o:synology:diskstation_manager:6.2.1-23824-2
Synology » Diskstation Manager » Version: 6.2.1-23824-3

cpe:2.3:o:synology:diskstation_manager:6.2.1-23824-3
Synology » Diskstation Manager » Version: 6.2.1-23824-4

cpe:2.3:o:synology:diskstation_manager:6.2.1-23824-4
Synology » Diskstation Manager » Version: 6.2.1-23824-5

cpe:2.3:o:synology:diskstation_manager:6.2.1-23824-5
Synology » Diskstation Manager » Version: 6.2.1-23824-6

cpe:2.3:o:synology:diskstation_manager:6.2.1-23824-6
Synology » Diskstation Manager » Version: 6.2.2-24922

cpe:2.3:o:synology:diskstation_manager:6.2.2-24922
Synology » Diskstation Manager » Version: 6.2.3-25426-2

cpe:2.3:o:synology:diskstation_manager:6.2.3-25426-2
Synology » Diskstation Manager Unified Controller » Version: 3.0

cpe:2.3:o:synology:diskstation_manager_unified_controller:3.0
Synology » Skynas Firmware » Version: N/A

cpe:2.3:o:synology:skynas_firmware:-
Synology » Vs960hd Firmware » Version: N/A

cpe:2.3:o:synology:vs960hd_firmware:-

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2021-26564

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