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Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2021-1243

A vulnerability in the Local Packet Transport Services (LPTS) programming of the SNMP with the management plane protection feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to allow connections despite the management plane protection that is configured to deny access to the SNMP server of an affected device. This vulnerability is due to incorrect LPTS programming when using SNMP with management plane protection. An attacker could exploit this vulnerability by connecting to an affected device using SNMP. A successful exploit could allow the attacker to connect to the device on the configured SNMP ports. Valid credentials are required to execute any of the SNMP requests.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.007
EPSS Ranking 70.6%
CVSS Severity
CVSS v3 Score 5.3
CVSS v2 Score 5.0
Products affected by CVE-2021-1243
  • Cisco » Ios Xr » Version: 6.1.2
    cpe:2.3:o:cisco:ios_xr:6.1.2
  • Cisco » Ios Xr » Version: 6.1.3
    cpe:2.3:o:cisco:ios_xr:6.1.3
  • Cisco » Ios Xr » Version: 6.1.3.01
    cpe:2.3:o:cisco:ios_xr:6.1.3.01
  • Cisco » Ios Xr » Version: 6.1.4
    cpe:2.3:o:cisco:ios_xr:6.1.4
  • Cisco » Ios Xr » Version: 6.1.4.base
    cpe:2.3:o:cisco:ios_xr:6.1.4.base
  • Cisco » Ios Xr » Version: 6.2.0
    cpe:2.3:o:cisco:ios_xr:6.2.0
  • Cisco » Ios Xr » Version: 6.2.1
    cpe:2.3:o:cisco:ios_xr:6.2.1
  • Cisco » Ios Xr » Version: 6.2.2
    cpe:2.3:o:cisco:ios_xr:6.2.2
  • Cisco » Ios Xr » Version: 6.2.25
    cpe:2.3:o:cisco:ios_xr:6.2.25
  • Cisco » Ios Xr » Version: 6.2.3
    cpe:2.3:o:cisco:ios_xr:6.2.3
  • Cisco » Ios Xr » Version: 6.2.3.base
    cpe:2.3:o:cisco:ios_xr:6.2.3.base
  • Cisco » Ios Xr » Version: 6.3.1
    cpe:2.3:o:cisco:ios_xr:6.3.1
  • Cisco » Ios Xr » Version: 6.3.15
    cpe:2.3:o:cisco:ios_xr:6.3.15
  • Cisco » Ios Xr » Version: 6.3.2
    cpe:2.3:o:cisco:ios_xr:6.3.2
  • Cisco » Ios Xr » Version: 6.3.3
    cpe:2.3:o:cisco:ios_xr:6.3.3
  • Cisco » Ios Xr » Version: 6.3.3_base
    cpe:2.3:o:cisco:ios_xr:6.3.3_base
  • Cisco » Ios Xr » Version: 6.4.0
    cpe:2.3:o:cisco:ios_xr:6.4.0
  • Cisco » Ios Xr » Version: 6.4.1
    cpe:2.3:o:cisco:ios_xr:6.4.1
  • Cisco » Ios Xr » Version: 6.4.1_base
    cpe:2.3:o:cisco:ios_xr:6.4.1_base
  • Cisco » Ios Xr » Version: 6.4.2
    cpe:2.3:o:cisco:ios_xr:6.4.2
  • Cisco » Ios Xr » Version: 6.4.3
    cpe:2.3:o:cisco:ios_xr:6.4.3
  • Cisco » Ios Xr » Version: 6.5.0
    cpe:2.3:o:cisco:ios_xr:6.5.0
  • Cisco » Ios Xr » Version: 6.5.1
    cpe:2.3:o:cisco:ios_xr:6.5.1
  • Cisco » Ios Xr » Version: 6.5.15
    cpe:2.3:o:cisco:ios_xr:6.5.15
  • Cisco » Ios Xr » Version: 6.5.2
    cpe:2.3:o:cisco:ios_xr:6.5.2
  • Cisco » Ios Xr » Version: 6.5.25
    cpe:2.3:o:cisco:ios_xr:6.5.25
  • Cisco » Ios Xr » Version: 6.5.26
    cpe:2.3:o:cisco:ios_xr:6.5.26
  • Cisco » Ios Xr » Version: 6.5.28
    cpe:2.3:o:cisco:ios_xr:6.5.28
  • Cisco » Ios Xr » Version: 6.5.29
    cpe:2.3:o:cisco:ios_xr:6.5.29
  • Cisco » Ios Xr » Version: 6.5.3
    cpe:2.3:o:cisco:ios_xr:6.5.3
  • Cisco » Ios Xr » Version: 6.5.31
    cpe:2.3:o:cisco:ios_xr:6.5.31
  • Cisco » Ios Xr » Version: 6.5.32
    cpe:2.3:o:cisco:ios_xr:6.5.32
  • Cisco » Ios Xr » Version: 6.5.33
    cpe:2.3:o:cisco:ios_xr:6.5.33
  • Cisco » Ios Xr » Version: 6.5.90
    cpe:2.3:o:cisco:ios_xr:6.5.90
  • Cisco » Ios Xr » Version: 6.5.92
    cpe:2.3:o:cisco:ios_xr:6.5.92
  • Cisco » Ios Xr » Version: 6.5.93
    cpe:2.3:o:cisco:ios_xr:6.5.93
  • Cisco » Ios Xr » Version: 6.6.0
    cpe:2.3:o:cisco:ios_xr:6.6.0
  • Cisco » Ios Xr » Version: 6.6.1
    cpe:2.3:o:cisco:ios_xr:6.6.1
  • Cisco » Ios Xr » Version: 6.6.2
    cpe:2.3:o:cisco:ios_xr:6.6.2
  • Cisco » Ios Xr » Version: 6.6.3
    cpe:2.3:o:cisco:ios_xr:6.6.3
  • Cisco » Ios Xr » Version: 6.7.1
    cpe:2.3:o:cisco:ios_xr:6.7.1
  • Cisco » Ios Xr » Version: 7.0.0
    cpe:2.3:o:cisco:ios_xr:7.0.0
  • Cisco » Ios Xr » Version: 7.0.1
    cpe:2.3:o:cisco:ios_xr:7.0.1
  • Cisco » Ios Xr » Version: 7.0.11
    cpe:2.3:o:cisco:ios_xr:7.0.11
  • Cisco » Ios Xr » Version: 7.1.0
    cpe:2.3:o:cisco:ios_xr:7.1.0
  • Cisco » Ios Xr » Version: 7.2.0
    cpe:2.3:o:cisco:ios_xr:7.2.0


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