Medium severity · published Feb 9, 2024
CVE-2024-23323
Envoy is a high-performance edge/middle/service proxy
5.3
CVSS
0.5%
EPSS
No
On KEV
Description
Envoy is a high-performance edge/middle/service proxy. The regex expression is compiled for every request and can result in high CPU usage and increased request latency when multiple routes are configured with such matchers. 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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 43% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EN
Envoy · Envoyproxy
1.26.0 before 1.26.7; 1.27.0 before 1.27.3; 1.28.0 before 1.28.1; 1.29.0 before 1.29.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-23323
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-23323
Patch
https://github.com/envoyproxy/envoy/commit/71eeee8f0f0132f39e402b0ee23b361ee2f4e645
Vendor Advisory
https://github.com/envoyproxy/envoy/security/advisories/GHSA-x278-4w4x-r7ch
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