GHSA-6q5m-22mq-q2xv

ghsaUSosv

Istio Authorization Bypass Vulnerability

view advisory published 2022-05-24Licence: CC-BY-4.0

Istio before 1.8.6 and 1.9.x before 1.9.5 has a remotely exploitable vulnerability where an HTTP request path with multiple slashes or escaped slash characters (%2F or %5C) could potentially bypass an Istio authorization policy when path based authorization rules are used.

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2021-31920US	medium6.5OT elevated	1.32% (71st)	—	2021-05-27
Istio before 1.8.6 and 1.9.x before 1.9.5 has a remotely exploitable vulnerability where an HTTP request path with multiple slashes or escaped slash characters (%2F or %5C) could p…

references

External citations — patches, advisories, analysis.

https://istio.io/latest/news/security/istio-security-2021-005WEB
https://nvd.nist.gov/vuln/detail/CVE-2021-31920ADVISORY

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