VDB
CVE-2021-39155
CVE-2021-39155
PUBLISHED
CVSS 8.300000190734863 HIGH
Authorization Policy Bypass Due to Case Insensitive Host Comparison
EPSS 1.19% · 67.6th percentile
Risk Scores
CVSS 3.1
8.300000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L
EPSS Score
1.19%
67.6th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| istio.io | istio | 0, 1.10.0, 1.11.0 |
| istio | istio | <= 1.9.8, >= 1.10.0, < 1.10.4, >= 1.11.0, < 1.11.1 |
Timeline
- Aug 24, 2021 CVE Published
- Aug 25, 2021 EPSS Score
- Aug 25, 2021 PoC Published
- Oct 23, 2021 EPSS Score
- Dec 13, 2021 CVE Updated
- Dec 21, 2021 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 18, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- Apr 18, 2022 EPSS Score
- Jun 16, 2022 EPSS Score
- Aug 15, 2022 EPSS Score
References
- https://github.com/istio/istio/commit/084b417a486dbe9b9024d4812877016a484572b1 fix
- https://github.com/istio/istio/commit/76ed51413ddd2a7fa253a368ab20a9cec5fb1cbe fix
- https://github.com/istio/istio/commit/90b00bdf891e6c770cb3235c14a9b1fda96cc7c5 fix
- https://github.com/istio/istio/security/advisories/GHSA-7774-7vr3-cc8j url
- https://datatracker.ietf.org/doc/html/rfc4343 url
- https://nvd.nist.gov/vuln/detail/CVE-2021-39155 advisory
- https://github.com/istio/istio package