CVE-2018-5520: f5 networks, inc. big-ip (ltm, aam, afm, analytics, apm, asm, dns, edge gateway, gtm, link controller, pem, webaccelerator, websafe) Incorrect Authorization
Vulnerability summary
CVE-2018-5520 is a medium (CVSS 4.4) Incorrect Authorization vulnerability in f5 networks, inc. big-ip (ltm, aam, afm, analytics, apm, asm, dns, edge gateway, gtm, link controller, pem, webaccelerator, websafe). EPSS estimates a 0.98% chance of exploitation in the next 30 days, higher than 61.6% of scored vulnerabilities.
Timeline
- 02-05-2018PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
On an F5 BIG-IP 13.0.0-13.1.0.5, 12.1.0-12.1.3.1, or 11.2.1-11.6.3.1 system configured in Appliance mode, the TMOS Shell (tmsh) may allow an administrative user to use the dig utility to gain unauthorized access to file system resources.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
0.98%
Chance of exploitation in the next 30 days
Percentile
62%
Versus all other CVEs
30-day change
-0.02 pp
From 1.00% 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
F513 products
- big-ip_access_policy_manager≥ 11.2.1, ≤ 11.6.3 | ≥ 12.1.0, ≤ 12.1.3 | ≥ 13.0.0, ≤ 13.1.0
- big-ip_advanced_firewall_manager≥ 11.2.1, ≤ 11.6.3 | ≥ 12.1.0, ≤ 12.1.3 | ≥ 13.0.0, ≤ 13.1.0
- big-ip_analytics≥ 11.2.1, ≤ 11.6.3 | ≥ 12.1.0, ≤ 12.1.3 | ≥ 13.0.0, ≤ 13.1.0
- big-ip_application_acceleration_manager≥ 11.2.1, ≤ 11.6.3 | ≥ 12.1.0, ≤ 12.1.3 | ≥ 13.0.0, ≤ 13.1.0
- big-ip_application_security_manager≥ 11.2.1, ≤ 11.6.3 | ≥ 12.1.0, ≤ 12.1.3 | ≥ 13.0.0, ≤ 13.1.0
F5 networks, inc.1 product
- big-ip (ltm, aam, afm, analytics, apm, asm, dns, edge gateway, gtm, link controller, pem, webaccelerator, websafe)13.0.0-13.1.0.5 | 12.1.0-12.1.3.1 | 11.2.1-11.6.3.1
2 vendors · 14 products