5.3

CVE-2024-23323: envoyproxy envoy Uncontrolled Resource Consumption

CVSS: 5.3v3.1MediumModified
Published 09-02-2024Last modified 01-08-2024
Open JSON

Vulnerability summary

CVE-2024-23323 is a medium (CVSS 5.3) Uncontrolled Resource Consumption vulnerability in envoyproxy envoy. EPSS estimates a 0.50% chance of exploitation in the next 30 days, higher than 42.1% of scored vulnerabilities.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (NVD)
EPSS score
0.50%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 09-02-2024
    PublishedVulnerability first disclosed.
  2. 01-08-2024
    Last modifiedVulnerability information updated.

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 metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.50%

Chance of exploitation in the next 30 days

Percentile

42%

Versus all other CVEs

30-day change

0.00 pp

From 0.50% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.50%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Envoyproxy1 product
  • envoy< 1.26.7 | ≥ 1.26.0, < 1.26.7 | ≥ 1.27.0, < 1.27.3 | ≥ 1.28.0, < 1.28.1 | ≥ 1.29.0, < 1.29.1

1 vendor · 1 product

References

2 links