01 Record
CVE-2023-54365
Traefik - Denial of Service via HTTP/2 Request Handling
HighPUBLISHEDCNA: VulnCheck
CNA base score8.7 CVSS v4.0CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
02 Description
Traefik - Denial of Service via HTTP/2 Request Handling
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.77% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 55.2% of scored records. A rank, not a probability.
- NVD base score
- 8.7 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-09-26.
- Red Hat severity
- Important. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-06-23 12:12Z4 MO AGO
- Last updated
- 2026-07-15 01:27Z3 MO AGO
- Reserved
- 2026-06-22
- Assigning CNA
- VulnCheck
- Record state
- PUBLISHED
- Severity
- High (CVSS 8.7)
- CNA CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
- Weaknesses
- Data version
- 5.2
- Document digest
- 06375eb85fae1a03fee7d0d7becdb031cb9bf6dc6af3615cbfaa83cccf5cb2d7
05 Affected products
VendorProductVersionsPlatforms
06 References
- github.comGitHub Security Advisory (GHSA-7v4p-328v-8v5g)https://github.com/traefik/traefik/security/advisories/GHSA-7v4p-328v-8v5g
- www.vulncheck.comVulnCheck Advisory: Traefik - Denial of Service via HTTP/2 Request Handlinghttps://www.vulncheck.com/advisories/traefik-denial-of-service-via-http-2-request-handling
- access.redhat.comhttps://access.redhat.com/security/cve/CVE-2023-54365
- bugzilla.redhat.comRHBZ#2491710https://bugzilla.redhat.com/show_bug.cgi?id=2491710
- security.access.redhat.comhttps://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-54365.json