5.5

CVE-2018-15321: f5 big-ip_access_policy_manager Improper Privilege Management

CVSS: 5.5v2.0MediumModified
Published 31-10-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-15321 is a medium (CVSS 5.5) Improper Privilege Management vulnerability in f5 big-ip_access_policy_manager. EPSS estimates a 0.90% chance of exploitation in the next 30 days, higher than 58.8% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v2.0 (NVD)
EPSS score
0.90%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 31-10-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

When BIG-IP 14.0.0-14.0.0.2, 13.0.0-13.1.0.5, 12.1.0-12.1.3.5, 11.6.0-11.6.3.2, or 11.2.1-11.5.6, BIG-IQ Centralized Management 5.0.0-5.4.0 or 4.6.0, BIG-IQ Cloud and Orchestration 1.0.0, iWorkflow 2.1.0-2.3.0, or Enterprise Manager 3.1.1 is licensed for Appliance Mode, Admin and Resource administrator roles can by-pass BIG-IP Appliance Mode restrictions to overwrite critical system files. Attackers of high privilege level are able to overwrite critical system files which bypasses security controls in place to limit TMSH commands. This is possible with an administrator or resource administrator roles when granted TMSH. Resource administrator roles must have TMSH access in order to perform this attack.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

0.90%

Chance of exploitation in the next 30 days

Percentile

59%

Versus all other CVEs

30-day change

0.00 pp

From 0.90% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.90%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

F517 products
  • big-ip_access_policy_manager≥ 11.2.1, ≤ 11.5.6 | ≥ 11.6.0, ≤ 11.6.3.2 | ≥ 12.1.0, ≤ 12.1.3.5 | ≥ 13.0.0, ≤ 13.1.0.7 | ≥ 14.0.0, ≤ 14.0.0.2
  • big-ip_advanced_firewall_manager≥ 11.2.1, ≤ 11.5.6 | ≥ 11.6.0, ≤ 11.6.3.2 | ≥ 12.1.0, ≤ 12.1.3.5 | ≥ 13.0.0, ≤ 13.1.0.7 | ≥ 14.0.0, ≤ 14.0.0.2
  • big-ip_analytics≥ 11.2.1, ≤ 11.5.6 | ≥ 11.6.0, ≤ 11.6.3.2 | ≥ 12.1.0, ≤ 12.1.3.5 | ≥ 13.0.0, ≤ 13.1.0.7 | ≥ 14.0.0, ≤ 14.0.0.2
  • big-ip_application_acceleration_manager≥ 11.2.1, ≤ 11.5.6 | ≥ 11.6.0, ≤ 11.6.3.2 | ≥ 12.1.0, ≤ 12.1.3.5 | ≥ 13.0.0, ≤ 13.1.0.7 | ≥ 14.0.0, ≤ 14.0.0.2
  • big-ip_domain_name_system≥ 11.2.1, ≤ 11.5.6 | ≥ 11.6.0, ≤ 11.6.3.2 | ≥ 12.1.0, ≤ 12.1.3.5 | ≥ 13.0.0, ≤ 13.1.0.7 | ≥ 14.0.0, ≤ 14.0.0.2

1 vendor · 17 products

References

1 links