PT-2025-5721 · Cisco · Cisco Ios Xe+2
Leg00M
·
Published
2025-02-05
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Updated
2025-07-03
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CVE-2025-20176
CVSS v3.1
7.7
High
| Vector | AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H |
Name of the Vulnerable Software and Affected Versions:
Cisco IOS Software and Cisco IOS XE Software (affected versions not specified)
Description:
A vulnerability in the SNMP subsystem 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. A successful exploit could allow the attacker to cause the device to reload unexpectedly, resulting in a DoS condition. The vulnerability affects SNMP versions 1, 2c, and 3. To exploit this vulnerability through SNMP v2c or earlier, the attacker must know a valid read-write or read-only SNMP community string for the affected system. To exploit this vulnerability through SNMP v3, the attacker must have valid SNMP user credentials for the affected system.
Recommendations:
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
DoS
RCE
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Related Identifiers
Affected Products
Cisco Ios
Cisco Ios Xe
Cisco Ios Xr