CVE-2023-40225

highpriority · track · 30EPSS 0.021 · 82 %ileDEEURUUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
2.15% (82nd) EPSS
CVSS 7.2 · high
Is it mine?
28 products
Check your exposure
Who says so?
6 sources
cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

HAProxy through 2.0.32, 2.1.x and 2.2.x through 2.2.30, 2.3.x and 2.4.x through 2.4.23, 2.5.x and 2.6.x before 2.6.15, 2.7.x before 2.7.10, and 2.8.x before 2.8.2 forwards empty Content-Length headers, violating RFC 9110 section 8.6. In uncommon cases, an HTTP/1 server behind HAProxy may interpret the payload as an extra request.

01

cvss

Technical severity, 0–10. One row per scoring source.

7.2
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.6–7.2

v3.17.2highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 2.7
v3.17.2highAV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:Nsecondary · FSTEC (BDU) RU
v3.16.6mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)
02

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: poc · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS
03

weaknesses

The CWE weakness classes this flaw belongs to.

04

affected products (28)

Products and version ranges known to be affected.

05

advisories (3)

Vendor and ecosystem advisories describing this.

  • WID-SEC-W-2023-2041HAProxy Enterprise: Schwachstelle ermöglicht Darstellen falscher InformationenDeutsch2023-08-10csaf · cert_bundDE

    Ein entfernter, anonymer Angreifer kann eine Schwachstelle in HAProxy Enterprise ausnutzen, um falsche Informationen darzustellen.

  • WID-SEC-W-2024-0054IBM Security Verify Access: Mehrere SchwachstellenDeutsch2024-01-09csaf · cert_bundDE

    Ein Angreifer kann mehrere Schwachstellen in IBM Security Verify Access ausnutzen, um beliebigen Code auszuführen, Sicherheitsmaßnahmen zu umgehen, einen Denial-of-Service-Zustand herbeizuführen, vertrauliche Informationen offenzulegen, seine Privilegien zu erweitern oder komplexe Angriffe wie Cache Poisoning, Cross-Site-Scripting oder Session-Hijacking durchzuführen.

  • BIT-haproxy-2023-402252024-03-06vendor · osvUS

    HAProxy through 2.0.32, 2.1.x and 2.2.x through 2.2.30, 2.3.x and 2.4.x through 2.4.23, 2.5.x and 2.6.x before 2.6.15, 2.7.x before 2.7.10, and 2.8.x before 2.8.2 forwards empty Content-Length headers, violating RFC 9110 section 8.6. In uncommon cases, an HTTP/1 server behind HAProxy may interpret the payload as an extra request.

06

also known as (4)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

09

references (25)

External citations — patches, advisories, analysis.

scry

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