Cisco IOS and IOS XE Software Network Plug-and-Play Agent Certificate Validation Vulnerability

7.4 CVSS

Vulnerability Description

A vulnerability in the Cisco Network Plug-and-Play (PnP) agent of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to gain unauthorized access to sensitive data. The vulnerability exists because the affected software insufficiently validates certificates. An attacker could exploit this vulnerability by supplying a crafted certificate to an affected device. A successful exploit could allow the attacker to conduct man-in-the-middle attacks to decrypt and modify confidential information on user connections to the affected software.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Cisco

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Affected Software

Cisco IOS and IOS XE Software

Vulnerable Versions:

3.7.7S, 3.9.1S, 3.9.0S, 3.9.2S, 3.9.1aS, 3.9.0aS, 3.3.0SE, 3.3.1SE, 3.3.2SE, 3.3.3SE, 3.3.4SE, 3.3.5SE, 3.3.0XO, 3.3.1XO, 3.3.2XO, 3.5.0E, 3.5.1E, 3.5.2E, 3.5.3E, 3.10.0S, 3.10.1S, 3.10.2S, 3.10.3S, 3.10.4S, 3.10.5S, 3.10.6S, 3.10.2aS, 3.10.2tS, 3.10.7S, 3.10.8S, 3.10.8aS, 3.10.9S, 3.10.10S, 3.11.1S, 3.11.2S, 3.11.0S, 3.11.3S, 3.11.4S, 3.12.0S, 3.12.1S, 3.12.2S, 3.12.3S, 3.12.0aS, 3.12.4S, 3.13.0S, 3.13.1S, 3.13.2S, 3.13.3S, 3.13.4S, 3.13.5S, 3.13.2aS, 3.13.0aS, 3.13.5aS, 3.13.6S, 3.13.7S, 3.13.6aS, 3.13.6bS, 3.13.7aS, 3.13.8S, 3.13.9S, 3.6.0E, 3.6.1E, 3.6.0aE, 3.6.0bE, 3.6.2aE, 3.6.2E, 3.6.3E, 3.6.4E, 3.6.5E, 3.6.6E, 3.6.5aE, 3.6.5bE, 3.6.7E, 3.6.7aE, 3.6.7bE, 3.6.9E, 3.6.10E, 3.6.9aE, 3.14.0S, 3.14.1S, 3.14.2S, 3.14.3S, 3.14.4S, 3.15.0S, 3.15.1S, 3.15.2S, 3.15.1cS, 3.15.3S, 3.15.4S, 3.7.0E, 3.7.1E, 3.7.2E, 3.7.3E, 3.7.4E, 3.7.5E, 3.16.0S, 3.16.1S, 3.16.0aS, 3.16.1aS, 3.16.2S, 3.16.2aS, 3.16.0bS, 3.16.0cS, 3.16.3S, 3.16.2bS, 3.16.3aS, 3.16.4S, 3.16.4aS, 3.16.4bS, 3.16.4gS, 3.16.5S, 3.16.4cS, 3.16.4dS, 3.16.4eS, 3.16.6S, 3.16.5aS, 3.16.5bS, 3.16.7S, 3.16.6bS, 3.16.7aS, 3.17.0S, 3.17.1S, 3.17.2S, 3.17.1aS, 3.17.3S, 3.17.4S, 16.1.1, 16.1.2, 16.1.3, 16.2.1, 16.2.2, 3.8.0E, 3.8.1E, 3.8.2E, 3.8.3E, 3.8.4E, 3.8.5E, 3.8.5aE, 3.8.6E, 16.3.1, 16.3.2, 16.3.3, 16.3.1a, 16.3.4, 16.3.5, 16.3.5b, 16.4.1, 16.4.2, 16.4.3, 16.5.1, 16.5.1a, 16.5.1b, 16.5.2, 3.18.0aS, 3.18.0S, 3.18.1S, 3.18.2S, 3.18.3S, 3.18.4S, 3.18.0SP, 3.18.1SP, 3.18.1aSP, 3.18.1gSP, 3.18.1bSP, 3.18.1cSP, 3.18.2SP, 3.18.1hSP, 3.18.2aSP, 3.18.1iSP, 3.18.3SP, 3.18.4SP, 3.18.3aSP, 3.18.3bSP, 3.18.5SP, 3.9.0E, 3.9.1E, 3.9.2E, 3.9.2bE, 16.6.1, 16.6.2, 3.10.0E, 3.10.0cE