CVE-2022-41624: BIG-IP iRules vulnerability CVE-2022-41624
Modified
Published 19-10-2022Last modified 08-05-2025
Vulnerability summary
CVE-2022-41624 is a high (CVSS 7.5) 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.
CVSS score
7.5/10
010
High · v3.1 (CVE.org)EPSS score
0.73%
0%100%
Low · +0.07 pp in 30 daysKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded
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 16.1.3.2, 15.1.x before 15.1.7, 14.1.x before 14.1.5.2, and 13.1.x before 13.1.5.1, when a sideband iRule is configured on a virtual server, undisclosed traffic can cause an increase in memory resource utilization.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 2 agree
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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
22-09-202622-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not 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, < 16.1.3.2 | ≥ 15.1.x, < 15.1.7 | ≥ 14.1.x, < 14.1.5.2 | ≥ 13.1.x, < 13.1.5.1
- big-ip_access_policy_manager≥ 13.1.0, < 13.1.5.1 | ≥ 14.1.0, < 14.1.5.2 | ≥ 15.1.0, < 15.1.7 | ≥ 16.1.0, < 16.1.3.2 | ≥ 17.0.0, < 17.0.0.1
- big-ip_advanced_firewall_manager≥ 13.1.0, < 13.1.5.1 | ≥ 14.1.0, < 14.1.5.2 | ≥ 15.1.0, < 15.1.7 | ≥ 16.1.0, < 16.1.3.2 | ≥ 17.0.0, < 17.0.0.1
- big-ip_analytics≥ 13.1.0, < 13.1.5.1 | ≥ 14.1.0, < 14.1.5.2 | ≥ 15.1.0, < 15.1.7 | ≥ 16.1.0, < 16.1.3.2 | ≥ 17.0.0, < 17.0.0.1
- big-ip_application_acceleration_manager≥ 13.1.0, < 13.1.5.1 | ≥ 14.1.0, < 14.1.5.2 | ≥ 15.1.0, < 15.1.7 | ≥ 16.1.0, < 16.1.3.2 | ≥ 17.0.0, < 17.0.0.1
1 vendor · 12 products
References
1 links- support.f5.com/csp/article/K43024307Vendor Advisory