CVE-2024-23324
High
Description
Envoy is a high-performance edge/middle/service proxy. External authentication can be bypassed by downstream connections. Downstream clients can force invalid gRPC requests to be sent to ext_authz, circumventing ext_authz checks when failure_mode_allow is set to true. This issue has been addressed in released 1.29.1, 1.28.1, 1.27.3, and 1.26.7. Users are advised to upgrade. There are no known workarounds for this vulnerability.
SeverityHigh
CVSS8.6
Exploit probability—
Product
Envoy
PublishedFeb 9, 2024
First seenFeb 9, 2024
Weakness typeCWE-20Improper input validation
How to fix
Update
- envoyproxy envoy1.26.7, 1.27.3, 1.28.1, 1.29.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| envoyproxy envoy | 1.26.0 ≤ v < 1.26.7, 1.27.0 ≤ v < 1.27.3, 1.28.0 ≤ v < 1.28.1, 1.29.0 ≤ v < 1.29.1 | 1.26.7, 1.27.3, 1.28.1, 1.29.1 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.