CVE-2024-20343: cisco cisco ios xr software Improper Access Control
Vulnerability summary
CVE-2024-20343 is a medium (CVSS 5.5) Improper Access Control vulnerability in cisco cisco ios xr software. EPSS estimates a 0.14% chance of exploitation in the next 30 days, higher than 2.9% of scored vulnerabilities.
Timeline
- 11-09-2024PublishedVulnerability first disclosed.
- 11-09-2024Last modifiedVulnerability information updated.
Description
A vulnerability in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker to read any file in the file system of the underlying Linux operating system. The attacker must have valid credentials on the affected device. This vulnerability is due to incorrect validation of the arguments that are passed to a specific CLI command. An attacker could exploit this vulnerability by logging in to an affected device with low-privileged credentials and using the affected command. A successful exploit could allow the attacker access files in read-only mode on the Linux file system.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
0.14%
Chance of exploitation in the next 30 days
Percentile
3%
Versus all other CVEs
30-day change
0.00 pp
From 0.14% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Cisco2 products
- cisco ios xr software6.5.3 | 6.6.1 | 6.5.2 | 6.5.92 | 6.5.1 | 6.5.15 | 6.6.2 | 7.0.1 | 6.6.25 | 6.6.11 | 6.5.93 | 6.6.12 | 7.0.0 | 7.1.1 | 7.0.90 | 6.6.3 | 7.0.2 | 7.1.15 | 7.2.0 | 7.2.1 | 7.1.2 | 7.0.11 | 7.0.12 | 7.0.14 | 7.1.25 | 6.6.4 | 7.2.12 | 7.3.1 | 7.1.3 | 7.4.1 | 7.2.2 | 7.3.15 | 7.3.16 | 7.4.15 | 7.3.2 | 7.5.1 | 7.4.16 | 7.3.27 | 7.6.1 | 7.5.2 | 7.8.1 | 7.6.15 | 7.5.12 | 7.8.12 | 7.3.3 | 7.7.1 | 7.3.4 | 7.4.2 | 7.6.2 | 7.5.3 | 7.7.2 | 7.9.1 | 7.10.1 | 7.8.2 | 7.5.4 | 7.8.22 | 7.7.21 | 7.9.2 | 7.3.5 | 7.5.5 | 7.11.1 | 7.9.21 | 7.10.2 | 24.1.1 | 7.3.6 | 7.5.52
- ios_xr6.5.1 | 6.5.2 | 6.5.3 | 6.5.15 | 6.5.92 | 6.5.93 | 6.6.1 | 6.6.2 | 6.6.3 | 6.6.4 | 6.6.11 | 6.6.12 | 6.6.25 | 7.0.0 | 7.0.1 | 7.0.2 | 7.0.11 | 7.0.12 | 7.0.14 | 7.0.90 | 7.1.1 | 7.1.2 | 7.1.3 | 7.1.15 | 7.1.25 | 7.2.0 | 7.2.1 | 7.2.2 | 7.2.12 | 7.3.1 | 7.3.2 | 7.3.3 | 7.3.4 | 7.3.5 | 7.3.6 | 7.3.15 | 7.3.16 | 7.3.27 | 7.4.1 | 7.4.2 | 7.4.15 | 7.4.16 | 7.5.1 | 7.5.2 | 7.5.3 | 7.5.4 | 7.5.5 | 7.5.12 | 7.5.52 | 7.6.1 | 7.6.2 | 7.6.15 | 7.7.1 | 7.7.2 | 7.7.21 | 7.8.1 | 7.8.2 | 7.8.12 | 7.8.22 | 7.9.1 | 7.9.2 | 7.9.21 | 7.10.1 | 7.10.2 | 7.11.1 | 24.1.1
1 vendor · 2 products
References
1 links- sec.cloudapps.cisco.com/security/…Vendor Advisory