Vulnerability · Published Feb 22, 2022 · Assigned by GitHub_M
CVE-2022-21654Incorrect configuration handling allows TLS session re-use without re-validation in Envoy
High 7.4
In plain English
A high-severity improper certificate validation in envoy from envoyproxy. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 65% of all known vulnerabilities).
Severity (CVSS 3.1)7.4High
Exploit odds (30 days)1.1%top 34.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Envoy is an open source edge and service proxy, designed for cloud-native applications. Envoy's tls allows re-use when some cert validation settings have changed from their default configuration. The only workaround for this issue is to ensure that default tls settings are used. Users are advised to upgrade.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| envoyproxy | envoy | >= 1.7.0, < 1.18.6>= 1.19.0, < 1.19.3>= 1.20.0, < 1.20.2>= 1.21.0, < 1.21.1 |
Weakness: CWE-295 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N