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.
CVE-2024-28869
“—” beside the score: it is equal to NVD's CVSS score.
This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 1.0% (63rd percentile of EPSS-scored CVEs). No GitHub Security Advisory CVSS is on record for this CVE.
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 7.5
- EG Score
- 7.5HIGHmedium confidence
- EG Risk
- 49EG Risk 49/100
EG Risk is EchelonGraph's 0–100 priority score. It fuses impact severity (EG Severity, the CVSS base score, never the KEV-floored or EPSS-lifted EG Score) with real-world exploitation and automatability, under weights EchelonGraph set by hand, so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner.
How it’s computed (value × EchelonGraph’s weight)Severity75% × 45%Impact severity (EG Severity): CVSS 7.5 of 10. Never the KEV-floored or EPSS-lifted EG Score.Exploitation1.1% × 40%FIRST EPSS: the 30-day exploitation probability when EchelonGraph scored this CVE.Automatability100% × 15%CISA's SSVC Automatable value: yes (Vulnrichment).SSVC (CISA's decision table, applied by EchelonGraph): Track at low or medium mission impact; Attend at high (mission-essential systems).Exploitation none (CISA Vulnrichment) · Automatable yes (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE.Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high. - EPSS PROB
- 1.0%
- EPSS %ILE
- 63rd
- KEV
- Not listed
What the EG score is made of (scorer v4.0: the three questions the 0–10 score mixes, published apart · methodology)
The EG score (7.5): severity, escalated by confirmed exploitation. This CVE's 7.5 is its impact severity (EG Severity), not escalated.
- EG Severity
- 7.5 HIGHCVSS-B, impact only: no KEV listing, EPSS or EG-KEV tier raises it.NVD CVSS v3 · CVSS v3.0 or v3.1
- EG Likelihood
- 1.0% within 30 daysSource: FIRST EPSS (model v2026.06.15, score date 2026-10-17). FIRST's exploitation probability, not an EchelonGraph model.
- Confirmed exploitation
- None on record (CISA KEV, EG-KEV Tier 1)Reported apart from the likelihood: an observed fact, not a probability.
- EG Priority
- SSVC Track at medium mission impactTrack at low or medium mission impact; Attend at high (mission-essential systems).CISA BOD 26-04: 14 days if the affected system is publicly exposed; 60 days if it is not.Each input and its source: the SSVC and BOD 26-04 blocks below.
SSVC (CISA's decision table, applied by EchelonGraph)Track at low or medium mission impact; Attend at high (mission-essential systems).
A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
Exploitation none (CISA Vulnrichment) · Automatable yes (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE. Mission impact is CISA's Mission & Well-being decision point, and only you can judge it. CISA's table makes it high when Mission Prevalence is Essential — the vulnerable component "directly provides capabilities that constitute at least one MEF for at least one entity" (MEF: mission essential function) — or when Public Well-Being Impact is Irreversible: "multiple fatalities are likely", the cyber-physical system "is likely lost or destroyed", "extreme or serious externalities" are imposed on other parties, or social systems such as elections or the financial grid "are destabilized and potentially collapse". CISA's decision table
BOD 26-04 (CISA's remediation timeline, Table 1)14 days if the affected system is publicly exposed; 60 days if it is not.
In CISA KEV no (CISA's KEV catalog) · Automatable yes (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Whether your system is publicly exposed is yours to answer. BOD 26-04 binds US Federal Civilian Executive Branch agencies; for anyone else it is CISA's published timeline, a reference rather than an obligation. The directive · how EchelonGraph applies it
Published
April 12, 2024
Last Modified
November 26, 2025
References (5)
- security-advisories@github · CVE Programhttps://doc.traefik.io/traefik/routing/entrypoints/#respondingtimeoutsProduct
- security-advisories@github · CVE Programhttps://github.com/traefik/traefik/commit/240b83b77351dfd8cadb91c305b84e9d22e0f9c6Patch
- security-advisories@github · CVE Programhttps://github.com/traefik/traefik/releases/tag/v2.11.2Release Notes
- security-advisories@github · CVE Programhttps://github.com/traefik/traefik/releases/tag/v3.0.0-rc5Release Notes
- security-advisories@github · CVE Programhttps://github.com/traefik/traefik/security/advisories/GHSA-4vwx-54mw-vqfwPatch · Vendor Advisory
Vendor Advisories for CVE-2024-28869(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Patch Availability(1)
| Vendor / Ecosystem | Fix (by version range) / Patch | Released | Source |
|---|---|---|---|
| redhat | devspaces/traefik-rhel9:sha256:f17428eced9d6bec1eaaa1510b68250824d3ace2f66af7f31fbf7327ca11540c | 2025-09-15 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(3 across 1 ecosystem)
Go(3)
| Package | Vulnerable range | Fix by version range | Dependents |
|---|---|---|---|
| github.com/traefik/traefik | — |
| — |
| github.com/traefik/traefik/v2 | — |
| — |
| github.com/traefik/traefik/v3 | — |
| — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 8× in last 7d / 35× in last 30d)
Each row is a time one of our pipelines fetched, updated or re-scored this CVE. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. An arrow marks a change the record states ("CVSS v3 → 9.1"); EPSS and GHSA rows show the values recorded at that time, not what changed (EPSS values are rounded; hover one for the exact figures). Most recent first.
Showing the most recent 91 of 200 refreshes on record for this CVE.
A repeat, a row identical to one the same pipeline wrote less than 10 seconds earlier, is not a separate refresh and is not counted. 9 repeat rows among the latest 100 are merged into the row they repeat. The 109 oldest rows on record are not shown and were not checked, so the counts can still include repeats.
- 2026-10-19 16:29 UTCEPSS rescoreEPSS 1.0% · 63rd percentile
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- 2026-10-18 07:20 UTCEG score recompute
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- 2026-10-12 17:58 UTCEG score recompute
- 2026-10-12 16:31 UTCEPSS rescoreEPSS 1.0% · 63rd percentile
- 2026-10-11 21:22 UTCEG score recompute
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- 2026-10-11 15:06 UTCOSV refresh
- 2026-10-11 13:46 UTCEPSS rescoreEPSS 1.0% · 63rd percentile
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- 2026-09-29 15:17 UTCEPSS rescoreEPSS 1.0% · 62nd percentile
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- 2026-09-22 02:46 UTCOSV refresh
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- 2026-08-16 12:30 UTCOSV refresh
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Related CVEs(same product + same vendor + same CWE)
Same product
10 shownGo:github.com/traefik/traefik/v3
Same vendor
10 shownredhat:RHSA-2025:15847
Frequently asked(5)
What is CVE-2024-28869?
When was the CVE record for CVE-2024-28869 published?
Is CVE-2024-28869 actively exploited?
What is the CVSS score of CVE-2024-28869?
How do I remediate CVE-2024-28869?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2024-28869
Is Your Infrastructure Affected by CVE-2024-28869?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.