Home/CVE/Istio is an open platform to connect, manage, and secure microservices. In versions on the 1.15.x branch prior to 1.15.3
CVE

CVE-2022-39388

Istio is an open platform to connect, manage, and secure microservices. In versions on the 1.15.x branch prior to 1.15.3

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.

HIGH · CVSS 7.6 EPSS 0.00057
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-863Incorrect Authorization
CWE-863Incorrect Authorization
▤

Affected Products & Versions

1
istio>= 1.15.0 and <= 1.15.2
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Go github.com/istio/istio HIGH fixed in 1.15.3
▣

Scoring & Timeline

7.6
HIGH · CVSS v3.1 · security-advisories@github.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD10 Nov 2022 · 08:15 PM
CVSS VectorCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/istio/istio/commit/346260e5115e9fbc65ba8a559bc686e6ca046a32PatchThird Party Advisory
https://github.com/istio/istio/commit/9a643e270421560afb2630e00f76d46a55499df9PatchThird Party Advisory
https://github.com/istio/istio/security/advisories/GHSA-6c6p-h79f-g6p4Third Party Advisory
https://istio.io/latest/news/releases/1.15.x/announcing-1.15.3/Release NotesVendor Advisory
Intelligence Graph · click any node to traverse
CVETechnique ActorTool Family
drag to reposition · click any node to traverse · button top-right enlarges
External lookups - second-class, for what we don’t hold ourselves
NVDCVE.orgCISAVulnersExploit-DBGitHub PoCVulnCheck KEVGreyNoise
Vulnerabilities
CISA KEV catalog
CWE weaknesses
CAPEC attack patterns
Package vulnerabilities
Threat intelligence
Threat actors
Tools & malware
ATT&CK techniques
IOCs
Detection & defense
Sigma rules
YARA rules
Atomic Red Team tests
D3FEND countermeasures
Compliance
NIST 800-53
ISO 27001:2022
SOC 2 TSC
PCI-DSS v4.0
CIS Controls v8.1
About
All capabilities
Live statistics
Data sources
Privacy policy
Terms of service
threatengine.sh  ·  Open-source threat intelligence platform  ·  100+ authoritative sources  ·  Every fact traces to its origin