CVE-2022-39388highCWE-863

CVE-2022-39388: high-severity vulnerability in istio

Istio may allow identity impersonation if user has localhost access

Published · Updated

Follow this CVE+ Monitor istio+ Monitor github.com/istio/istio

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.6epss 0.5%
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:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
Affected products
istio · istio
Related CVEs — istio

In the same product, most dangerous first.

CVE-2022-23635HIGHUnauthenticated control plane denial of service attack in IstioEPSS 1.7%CVE-2022-24726HIGHUnauthenticated control plane denial of service attack in IstioEPSS 1.6%CVE-2022-39278HIGHIstio vulnerable to denial of service attack due to Golang Regex LibraryEPSS 1.4%CVE-2021-39155HIGHAuthorization Policy Bypass Due to Case Insensitive Host ComparisonEPSS 1.2%CVE-2022-31045HIGHIll-formed headers may lead to unexpected behavior in IstioEPSS 1.2%CVE-2021-39156HIGHFragments in Path May Lead to Authorization Policy BypassEPSS 1.2%