High severity · published May 13, 2026
CVE-2026-42924
BIG-IP iControl SOAP vulnerability
8.7
CVSS
0.2%
EPSS
No
On KEV
Description
An authenticated attacker with the Resource Administrator or Administrator role can create SNMP configuration objects through iControl SOAP resulting in privilege escalation. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 16% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BI
BIG-IP · F5
21.0.0 before 21.0.0.1; 17.5.0 before 17.5.1.4; 17.1.0 before 17.1.3.1; 16.1.0 · source: vendor
BA
Big-ip Access Policy Manager · F5
21.0.0; 17.1.0 through 17.1.3; 17.5.0 through 17.5.1; 16.1.0 through 16.1.6 · source: NVD
BA
Big-ip Advanced Firewall Manager · F5
21.0.0; 17.1.0 through 17.1.3; 17.5.0 through 17.5.1; 16.1.0 through 16.1.6 · source: NVD
BA
Big-ip Advanced Web Application Firewall · F5
21.0.0; 17.1.0 through 17.1.3; 17.5.0 through 17.5.1; 16.1.0 through 16.1.6 · source: NVD
BA
Big-ip Analytics · F5
21.0.0; 17.1.0 through 17.1.3; 17.5.0 through 17.5.1; 16.1.0 through 16.1.6 · source: NVD
BA
Big-ip Application Acceleration Manager · F5
21.0.0; 17.1.0 through 17.1.3; 17.5.0 through 17.5.1; 16.1.0 through 16.1.6 · source: NVD
BA
Big-ip Application Security Manager · F5
21.0.0; 17.1.0 through 17.1.3; 17.5.0 through 17.5.1; 16.1.0 through 16.1.6 · source: NVD
BA
Big-ip Application Visibility And Reporting · F5
21.0.0; 17.1.0 through 17.1.3; 17.5.0 through 17.5.1; 16.1.0 through 16.1.6 · source: NVD
BA
Big-ip Automation Toolchain · F5
21.0.0; 17.1.0 through 17.1.3; 17.5.0 through 17.5.1; 16.1.0 through 16.1.6 · source: NVD
BC
Big-ip Carrier-grade Nat · F5
21.0.0; 17.1.0 through 17.1.3; 17.5.0 through 17.5.1; 16.1.0 through 16.1.6 · source: NVD
BC
Big-ip Container Ingress Services · F5
21.0.0; 17.1.0 through 17.1.3; 17.5.0 through 17.5.1; 16.1.0 through 16.1.6 · source: NVD
BD
Big-ip Ddos Hybrid Defender · F5
21.0.0; 17.1.0 through 17.1.3; 17.5.0 through 17.5.1; 16.1.0 through 16.1.6 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-42924
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-42924
Mitigation
https://my.f5.com/manage/s/article/K000160926
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