Low severity · published Nov 10, 2022
CVE-2022-39388
Istio is an open platform to connect, manage, and secure microservices
3.5
CVSS
0.5%
EPSS
No
On KEV
Description
Istio is an open platform to connect, manage, and secure microservices. In versions on the 1.15.x branch prior to 1.15.3, a user can impersonate any workload identity within the service mesh if they have localhost access to the Istiod control plane. Version 1.15.3 contains a patch for this issue. There are no known workarounds.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Attack vector
Adjacent
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 42% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IS
Istio · Istio
1.15.0 through 1.15.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-39388
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-39388
Patch
https://github.com/istio/istio/commit/346260e5115e9fbc65ba8a559bc686e6ca046a32
Patch
https://github.com/istio/istio/commit/9a643e270421560afb2630e00f76d46a55499df9
Third Party Advisory
https://github.com/istio/istio/security/advisories/GHSA-6c6p-h79f-g6p4
Release Notes
https://istio.io/latest/news/releases/1.15.x/announcing-1.15.3/
More from Istio
9.8
CVE-2026-111497
Out-of-Bounds Write in Google Brotli Decoder
9.8
CVE-2022-31045
Istio is an open platform to connect, manage, and secure microservices
9.8
CVE-2022-21679
Istio is an open platform to connect, manage, and secure microservices
9.8
CVE-2021-31921
Istio before 1.8.6 and 1.9.x before 1.9.5 contains a remotely exploitable vulnerability where an external client can access unexpected services in the cluster, bypassing…
8.8
CVE-2022-21701
Istio is an open platform to connect, manage, and secure microservices