Cisco IOS and IOS XE Software SNMPv3 Configuration Restriction Vulnerability (Cisco Cisco IOS XE Catalyst SD-WAN)

CVE-2025-20151
MEDIUM 4.3

At a glance

Source
NVD
EPSS
EPSS 0.41 % Β· percentile 35 ()
State
PUBLISHED
Published
Updated
Assigner
cisco
NVD status
Analyzed

Description

A vulnerability in the implementation of the Simple Network Management Protocol Version 3 (SNMPv3) feature of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, remote attacker to poll an affected device using SNMP, even if the device is configured to deny SNMP traffic from an unauthorized source or the SNMPv3 username is removed from the configuration. This vulnerability exists because of the way that the SNMPv3 configuration is stored in the Cisco IOS Software and Cisco IOS XE Software startup configuration. An attacker could exploit this vulnerability by polling an affected device from a source address that should have been denied. A successful exploit could allow the attacker to perform SNMP operations from a source that should be denied. Note: The attacker has no control of the SNMPv3 configuration. To exploit this vulnerability, the attacker must have valid SNMPv3 user credentials. For more information, see the section of this advisory.

Weaknesses (CWE)

  • CWE-16
  • CWE-1284 β€” Improper Validation of Specified Quantity in Input

References

Scores

VersionScoreVectorScored by
CVSS 3.1MEDIUM 4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:Ncisco
CVSS 3.1MEDIUM 4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:NNVD Β· psirt@cisco.com (Secondary)

European references

Affected configurations (NVD CPE)

Affected products

ProductVersions
Cisco Β· Cisco IOS XE Catalyst SD-WANaffected 16.10.6 ; affected 16.12.3 ; affected 16.12.1 ; affected 16.12.1a ; affected 16.12.4a ; affected 16.12.2r

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST β€” attribution requested
ENISA EUVDENISA β€” reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain β€” this product uses data from the NVD API but is not endorsed or certified by the NVD