CVSS 3.1
9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVE-2022-31045
Critical (9.8) in istio istio. EPSS 1.2% chance of exploitation in the next 30 days. Fixed in istio.io/istio 1.12.18, 1.13.5, 1.14.1.
Istio is an open platform to connect, manage, and secure microservices. In affected versions ill-formed headers sent to Envoy in certain configurations can lead to unexpected memory access resulting in undefined behavior or crashing. Users are most likely at risk if they have an Istio ingress Gateway exposed to external traffic. This vulnerability has been resolved in versions 1.12.8, 1.13.5, and 1.14.1. Users are advised to upgrade. There are no known workarounds for this issue.
Severity
- EPSS
- 1.2% chance of exploitation in the next 30 days; higher than 68% of CVEs (scores of 2026-10-31)
- CWE
- CWE-125
- Published
- Modified
- Record from
- the NVD, synced
Affected
- istio:istio
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-xwx5-5c9g-x68x | Go | istio.io/istio | <1.12.18 | 1.12.18 |
| GHSA-xwx5-5c9g-x68x | Go | istio.io/istio | >=1.13.0 <1.13.5 | 1.13.5 |
| GHSA-xwx5-5c9g-x68x | Go | istio.io/istio | >=1.14.0 <1.14.1 | 1.14.1 |