7.5

CVE-2024-39321: traefik

CVSS: 7.5v3.1HighAnalyzed
AliasesGHSA-gxrv-wf35-62w9GO-2024-2973openSUSE-SU-2024:14181-1
Published 05-07-2024Last modified 02-08-2024
Open JSON

Vulnerability summary

CVE-2024-39321 is a high (CVSS 7.5) vulnerability in traefik. EPSS estimates a 0.59% chance of exploitation in the next 30 days, higher than 47.3% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.59%
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. 05-07-2024
    PublishedVulnerability first disclosed.
  2. 02-08-2024
    Last modifiedVulnerability information updated.

Description

Traefik is an HTTP reverse proxy and load balancer. Versions prior to 2.11.6, 3.0.4, and 3.1.0-rc3 have a vulnerability that allows bypassing IP allow-lists via HTTP/3 early data requests in QUIC 0-RTT handshakes sent with spoofed IP addresses. Versions 2.11.6, 3.0.4, and 3.1.0-rc3 contain a patch for this issue. No known workarounds are available.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.59%

Chance of exploitation in the next 30 days

Percentile

47%

Versus all other CVEs

30-day change

0.00 pp

From 0.59% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.59%

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

Github.com/traefik/traefik2 products
  • v2< 2.11.6
  • v3≥ 3.0.0-beta3, < 3.0.4 | ≥ 3.1.0-rc1, < 3.1.0-rc3
Opensuse2 products
  • traefik2&distro=openSUSE Tumbleweed< 2.11.6-2.1
  • traefik&distro=openSUSE Tumbleweed< 3.0.4-2.1
Github.com/traefik1 product
  • traefikAll versions (No fix recorded)
Traefik1 product
  • traefikEOL≥ 3.0.0-beta3, < 3.0.4 | ≥ 3.1.0-rc1, < 3.1.0-rc3 | < 2.11.6 | ≥ 3.0.0, < 3.0.4 | 3.1.0 | 3.1.0:rc1 | 3.1.0:rc2

4 vendors · 6 products

References

7 links