VulnerabilityModified
CVE-2021-34824
Istio (1.8.x, 1.9.0-1.9.5 and 1.10.0-1.10.1) contains a remotely exploitable vulnerability where credentials specified in the Gateway and DestinationRule credentialName field can be accessed from different namespaces.
HIGH 8.8EPSS 1.99%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.99%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Istio (1.8.x, 1.9.0-1.9.5 and 1.10.0-1.10.1) contains a remotely exploitable vulnerability where credentials specified in the Gateway and DestinationRule credentialName field can be accessed from different namespaces.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.99% probability · 79th percentile
- CISA KEV
- Not listed
- Affected
- istio/istio
- Source
- cve@mitre.org
References
- https://github.com/istio/istio/releasesRelease Notes, Third Party Advisory
- https://istio.io/latest/news/security/istio-security-2021-007Vendor Advisory
- https://github.com/istio/istio/releasesRelease Notes, Third Party Advisory
- https://istio.io/latest/news/security/istio-security-2021-007Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.