CVE-2024-28869
CVE-2024-28869 is a high-severity vulnerability in Traefik with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-755.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 1% (60th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-1095
- Weakness: CWE-755
- Affected product: Traefik
- Published:
- Last modified:
Description
Traefik is an HTTP reverse proxy and load balancer. In affected versions sending a GET request to any Traefik endpoint with the "Content-length" request header results in an indefinite hang with the default configuration. This vulnerability can be exploited by attackers to induce a denial of service. This vulnerability has been addressed in version 2.11.2 and 3.0.0-rc5. Users are advised to upgrade. For affected versions, this vulnerability can be mitigated by configuring the readTimeout option.
Frequently asked questions
- What is CVE-2024-28869?
- Traefik is an HTTP reverse proxy and load balancer. In affected versions sending a GET request to any Traefik endpoint with the "Content-length" request header results in an indefinite hang with the default configuration. This vulnerability can be exploited by attackers to induce a denial of service. This vulnerability has been addressed in version 2.11.2 and 3.0.0-rc5. Users are advised to upgrade. For affected versions, this vulnerability can be mitigated by configuring the readTimeout option.
- How severe is CVE-2024-28869?
- CVE-2024-28869 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2024-28869 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2024-28869?
- CVE-2024-28869 primarily affects Traefik. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2024-28869?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2024-28869 have an EU (EUVD) identifier?
- Yes. CVE-2024-28869 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-1095.
- When was CVE-2024-28869 published?
- CVE-2024-28869 was published on 2024-04-12 and last updated on 2026-06-17.
References
- https://doc.traefik.io/traefik/routing/entrypoints/#respondingtimeouts
- https://github.com/traefik/traefik/commit/240b83b77351dfd8cadb91c305b84e9d22e0f9c6
- https://github.com/traefik/traefik/releases/tag/v2.11.2
- https://github.com/traefik/traefik/releases/tag/v3.0.0-rc5
- https://github.com/traefik/traefik/security/advisories/GHSA-4vwx-54mw-vqfw
Affected products (11)
- cpe:2.3:a:traefik:traefik:*:*:*:*:*:*:*:*
- cpe:2.3:a:traefik:traefik:3.0.0:-:*:*:*:*:*:*
- cpe:2.3:a:traefik:traefik:3.0.0:beta1:*:*:*:*:*:*
- cpe:2.3:a:traefik:traefik:3.0.0:beta2:*:*:*:*:*:*
- cpe:2.3:a:traefik:traefik:3.0.0:beta3:*:*:*:*:*:*
- cpe:2.3:a:traefik:traefik:3.0.0:beta4:*:*:*:*:*:*
- cpe:2.3:a:traefik:traefik:3.0.0:beta5:*:*:*:*:*:*
- cpe:2.3:a:traefik:traefik:3.0.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:traefik:traefik:3.0.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:traefik:traefik:3.0.0:rc3:*:*:*:*:*:*
- cpe:2.3:a:traefik:traefik:3.0.0:rc4:*:*:*:*:*:*
More vulnerabilities in Traefik
- CVE-2026-54763 — Critical (CVSS 10.0): Traefik is an HTTP reverse proxy and load balancer. Prior to v2.11.51, v3.6.22, and v3.7.6, Traefik's BasicAuth,…
- CVE-2026-53622 — Critical (CVSS 10.0): Traefik is an HTTP reverse proxy and load balancer. Prior to 3.7.3, there is a critical vulnerability in Traefik's…
- CVE-2026-48491 — Critical (CVSS 10.0): Traefik is an HTTP reverse proxy and load balancer. From 3.7.0 until 3.7.3, there is a high severity vulnerability in…
- CVE-2026-48020 — Critical (CVSS 10.0): Traefik is an HTTP reverse proxy and load balancer. Prior to 2.11.48, 3.6.19, and 3.7.3, there is a high severity…
- CVE-2026-39858 — Critical (CVSS 10.0): Traefik is an HTTP reverse proxy and load balancer. Prior to versions 2.11.43, 3.6.14, and 3.7.0-rc.2, there is a high…
- CVE-2026-35051 — Critical (CVSS 10.0): Traefik is an HTTP reverse proxy and load balancer. Prior to versions 2.11.43, 3.6.14, and 3.7.0-rc.2, there is an…
Other CWE-755 (Improper Handling of Exceptional Conditions) vulnerabilities
- CVE-2025-34193 — Critical (CVSS 9.8): Vasion Print (formerly PrinterLogic) Virtual Appliance Host versions prior to 25.1.102 and Application versions prior…
- CVE-2025-10156 — Critical (CVSS 9.8): An Improper Handling of Exceptional Conditions vulnerability in the ZIP archive scanning component of mmaitre314…
- CVE-2021-42142 — Critical (CVSS 9.8): An issue was discovered in Contiki-NG tinyDTLS through master branch 53a0d97. DTLS servers mishandle the early use of a…
- CVE-2021-42141 — Critical (CVSS 9.8): An issue was discovered in Contiki-NG tinyDTLS through 2018-08-30. One incorrect handshake could complete with…
- CVE-2023-38406 — Critical (CVSS 9.8): bgpd/bgp_flowspec.c in FRRouting (FRR) before 8.4.3 mishandles an nlri length of zero, aka a "flowspec overflow."
- CVE-2022-23121 — Critical (CVSS 9.8): This vulnerability allows remote attackers to execute arbitrary code on affected installations of Netatalk.…
Browse all CWE-755 (Improper Handling of Exceptional Conditions) vulnerabilities →