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Fencer Vulns
medium 4.3

CVE-2023-38419 json

BIG-IP and BIG-IQ iControl SOAP vulnerability

published 2023-08-02 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-42236

cvss
4.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 46%
public exploits
0
none known

Summary

An authenticated attacker with guest privileges or higher can cause the iControl SOAP process to terminate by sending undisclosed requests.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Patch / fix

  • F5 BIG-IP 14.1.5.5, 15.1.9.1, 16.1.3.5, 17.1.0.2
  • F5 BIG-IQ Hotfix-BIG-IQ-8.2.0.1.0.10.97-ENG.iso, Hotfix-BIG-IQ-8.3.0.0.4.118-ENG.iso

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.55% chance of exploitation in the next 30 days, higher than 46% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Affected products

  • F5 BIG-IP
  • F5 BIG-IQ

Classification

Weakness
  • CWE-755 Improper Handling of Exceptional Conditions

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.