CVE-2025-20248

CWE-3474 documents4 sources
Severity
6.0MEDIUM
EPSS
0.0%
top 99.11%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Cisco Cisco IOS XR Software
Timeline
PublishedSep 10

Description

A vulnerability in the installation process of Cisco IOS XR Software could allow an authenticated, local attacker to bypass Cisco IOS XR Software image signature verification and load unsigned software on an affected device. To exploit this vulnerability, the attacker must have root-system privileges on the affected device. This vulnerability is due to incomplete validation of files during the installation of an .iso file. An attacker could exploit this vulnerability by modifying contents of th…

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:NExploitability: 0.8 | Impact: 5.2

Affected Packages1 packages

▶CVEListV5cisco/cisco_ios_xr_software90 versions+89

🔴Vulnerability Details

2
GHSA
GHSA-q9rh-69gg-78fc: A vulnerability in the installation process of Cisco IOS XR Software could allow an authenticated, local attacker to bypass Cisco IOS XR Software imag↗2025-09-10
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CVEList
Cisco IOS XR Software Image Verification Bypass Vulnerability↗2025-09-10
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📋Vendor Advisories

1
Cisco
Cisco IOS XR Software Image Verification Bypass Vulnerability↗2025-09-10
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CVE-2025-20248 (MEDIUM CVSS 6) | A vulnerability in the installation | cvebase.io