CVE-2022-36795: BIG-IP software SYN cookies vulnerability CVE-2022-36795
Vulnerability summary
CVE-2022-36795 is a high (CVSS 7.5) Incorrect Calculation vulnerability in f5 big-ip. EPSS estimates a 0.73% chance of exploitation in the next 30 days, higher than 53.6% of scored vulnerabilities.
Timeline
- 19-10-2022PublishedVulnerability first disclosed.
- 08-05-2025Last 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 15.1.7, and 14.1.x before 14.1.5.1, when an LTM TCP profile with Auto Receive Window Enabled is configured on a virtual server, undisclosed traffic can cause the virtual server to stop processing new client connections.
CVSS metrics
2 scores · 2 sources · 1 version- CVE.orgCNA5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LDiffers
EPSS trend
Probability
0.73%
Chance of exploitation in the next 30 days
Percentile
54%
Versus all other CVEs
30-day change
Increase +0.07 pp
From 0.66% on 22-09-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
F512 products
- big-ip≥ 17.0.x, < 17.0.0.1 | ≥ 16.1.x, < 16.1.3.1 | ≥ 15.1.x, < 15.1.7 | ≥ 14.1.x, < 14.1.5.1
- big-ip_access_policy_manager≥ 14.1.0, < 14.1.5.1 | ≥ 15.1.0, < 15.1.7 | ≥ 16.1.0, < 16.1.3.1 | ≥ 17.0.0, < 17.0.0.1
- big-ip_advanced_firewall_manager≥ 14.1.0, < 14.1.5.1 | ≥ 15.1.0, < 15.1.7 | ≥ 16.1.0, < 16.1.3.1 | ≥ 17.0.0, < 17.0.0.1
- big-ip_analytics≥ 14.1.0, < 14.1.5.1 | ≥ 15.1.0, < 15.1.7 | ≥ 16.1.0, < 16.1.3.1 | ≥ 17.0.0, < 17.0.0.1
- big-ip_application_acceleration_manager≥ 14.1.0, < 14.1.5.1 | ≥ 15.1.0, < 15.1.7 | ≥ 16.1.0, < 16.1.3.1 | ≥ 17.0.0, < 17.0.0.1
1 vendor · 12 products