9.8

CVE-2022-35728: f5 big-ip Insufficient Session Expiration

CVSS: 9.8v3.1CriticalModified
Published 04-08-2022Last modified 16-09-2024
Open JSON

Vulnerability summary

CVE-2022-35728 is a critical (CVSS 9.8) Insufficient Session Expiration vulnerability in f5 big-ip. EPSS estimates a 0.69% chance of exploitation in the next 30 days, higher than 52.1% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
0.69%
0%100%
Low · +0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 04-08-2022
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

In BIG-IP Versions 17.0.x before 17.0.0.1, 16.1.x before 16.1.3.1, 15.1.x before 15.1.6.1, 14.1.x before 14.1.5.1, and all versions of 13.1.x, and BIG-IQ version 8.x before 8.2.0 and all versions of 7.x, an authenticated user's iControl REST token may remain valid for a limited time after logging out from the Configuration utility. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.69%

Chance of exploitation in the next 30 days

Percentile

52%

Versus all other CVEs

30-day change

+0.03 pp

From 0.66% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.69%

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
  • big-ip≥ 13.1.0, < 13.1.x* | ≥ 14.1.x, < 14.1.5.1 | ≥ 15.1.x, < 15.1.6.1 | ≥ 16.1.x, < 16.1.3.1 | ≥ 17.0.x, < 17.0.0.1
  • big-ip_access_policy_manager≥ 13.1.0, ≤ 13.1.5 | ≥ 14.1.0, < 14.1.5.1 | ≥ 15.1.0, < 15.1.6.1 | ≥ 16.1.0, < 16.1.3.1 | 17.0.0
  • big-ip_advanced_firewall_manager≥ 13.1.0, ≤ 13.1.5 | ≥ 14.1.0, < 14.1.5.1 | ≥ 15.1.0, < 15.1.6.1 | ≥ 16.1.0, < 16.1.3.1 | 17.0.0
  • big-ip_analytics≥ 13.1.0, ≤ 13.1.5 | ≥ 14.1.0, < 14.1.5.1 | ≥ 15.1.0, < 15.1.6.1 | ≥ 16.1.0, < 16.1.3.1 | 17.0.0
  • big-ip_application_acceleration_manager≥ 13.1.0, ≤ 13.1.5 | ≥ 14.1.0, < 14.1.5.1 | ≥ 15.1.0, < 15.1.6.1 | ≥ 16.1.0, < 16.1.3.1 | 17.0.0

1 vendor · 13 products

References

1 links