7.5

CVE-2016-5023: f5 big-ip_access_policy_manager Improper Access Control

CVSS: 7.5v3.0HighModified
Published 26-08-2016Last modified 06-08-2024

Vulnerability summary

CVE-2016-5023 is a high (CVSS 7.5) Improper Access Control vulnerability in f5 big-ip_access_policy_manager. EPSS estimates a 3.05% chance of exploitation in the next 30 days, higher than 87.3% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.0 (NVD)
EPSS score
3.05%
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. 26-08-2016
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

Virtual servers in F5 BIG-IP systems 11.2.1 HF11 through HF15, 11.4.1 HF4 through HF10, 11.5.3 through 11.5.4, 11.6.0 HF5 through HF7, and 12.0.0, when configured with a TCP profile, allow remote attackers to cause a denial of service (Traffic Management Microkernel restart) via crafted network traffic.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

3.05%

Chance of exploitation in the next 30 days

Percentile

87%

Versus all other CVEs

30-day change

0.00 pp

From 3.05% on 18-09-2026

18-09-202618-10-2026
EPSS score
3.05%

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

F513 products

1 vendor · 13 products

References

3 links