Critical severity · published Feb 22, 2022
CVE-2022-21654
Envoy is an open source edge and service proxy, designed for cloud-native applications
9.8
CVSS
1.1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 65% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EN
Envoy · Envoyproxy
1.7.0 before 1.18.6; 1.19.0 before 1.19.3; 1.20.0 before 1.20.2; 1.21.0 before 1.21.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-21654
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-21654
Patch
https://github.com/envoyproxy/envoy/commit/e9f936d85dc1edc34fabd0a1725ec180f2316353
Issue Tracking
https://github.com/envoyproxy/envoy/security/advisories/GHSA-5j4x-g36v-m283
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