Red Hat Security Advisory: Red Hat OpenShift Service Mesh Containers for 2.4.13
Affects Red HatSource GCVE Database
Not known to be exploited.
Data as of 30 Oct 2026, 21:52 UTC
Rated by Threat Radar · No CVSS score from NVD or the CNA
- EPSS
- 0.8% chance of exploitation in 30 days – higher than 58% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Exploitation evidence
Disclosed: evidence found.
CVE published 10 Dec 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.
What to do
AI-suggested
Red Hat has released updated container images for OpenShift Service Mesh 2.4.13 that fix this vulnerability. Users should apply these updates after ensuring all prior relevant errata are installed. Detailed update instructions are available from Red Hat's official documentation. No additional mitigation actions are indicated by Red Hat.
Description
A low severity security vulnerability (CVE-2024-21538) affects Red Hat OpenShift Service Mesh containers version 2.4.13. The issue is a regular expression denial of service (ReDoS) in the openshift-istio-kiali-rhel8-container component. Red Hat has issued an advisory detailing this vulnerability and its fix. The vulnerability impacts Red Hat's distribution of the Istio service mesh tailored for OpenShift Container Platform. No active exploitation in the wild is reported. Users are advised to apply the update provided by Red Hat to remediate the issue.