CVE-2025-20172 — Uncaught Exception in Cisco IOS XE Software

CWE-248 — Uncaught ExceptionCWE-805 — Buffer Access with Incorrect Length Value4 documents4 sources
Severity
7.7HIGHNVD
EPSS
0.3%
top 46.57%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
5
Cisco IOS XE SoftwareCisco IOS XR SoftwareCisco IOS+2 more
Timeline
PublishedFeb 5

Description

A vulnerability in the SNMP subsystem of Cisco IOS Software, Cisco IOS XE Software, and Cisco IOS XR Software could allow an authenticated, remote attacker to cause a DoS condition on an affected device. This vulnerability is due to improper error handling when parsing SNMP requests. An attacker could exploit this vulnerability by sending a crafted SNMP request to an affected device. For Cisco IOS and IOS XE Software, a successful exploit could allow the attacker to cause the device to reload u…

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:HExploitability: 3.1 | Impact: 4.0

Affected Packages6 packages

▶CVEListV5cisco/cisco_ios_xe_software426 versions+425
▶CVEListV5cisco/cisco_ios_xr_software48 versions+47
▶CVEListV5cisco/ios678 versions+677
▶NVDcisco/ios678 versions+677
▶NVDcisco/ios_xe426 versions+425

🔴Vulnerability Details

2
CVEList
CVE-2025-20172: A vulnerability in the SNMP subsystem of Cisco IOS Software, Cisco IOS XE Software, and Cisco IOS XR Software could allow an authenticated, remote att↗2025-02-05
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GHSA
GHSA-fg9r-rh56-7jcv: A vulnerability in the SNMP subsystem of Cisco IOS Software, Cisco IOS XE Software, and Cisco IOS XR Software could allow an authenticated, remote att↗2025-02-05
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📋Vendor Advisories

1
Cisco
Cisco IOS, IOS XE, and IOS XR Software SNMP Denial of Service Vulnerabilities↗2025-02-05
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CVE-2025-20172 — Uncaught Exception in Cisco | cvebase