7.2

CVE-2023-40225: haproxy

Modified
AliasesMGASA-2023-0320SUSE-SU-2023:3469-1SUSE-SU-2023:3490-1
Published 10-08-2023Last modified 09-10-2024

Vulnerability summary

CVE-2023-40225 is a high (CVSS 7.2) vulnerability in haproxy. EPSS estimates a 2.15% chance of exploitation in the next 30 days, higher than 82.1% of scored vulnerabilities. 1 public exploit is recorded.

Priority
Prioritisepublic exploit

Public exploit (GitHub, Date unknown)

Source freshness unavailable

How is this decided?
CVSS score
7.2/10
010
High · v3.1 (NVD)
EPSS score
2.15%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1github

Advisory lineage

Upstream 0 · Downstream 5 · Related 3
DSA-5590-1RHSA-2023:7473RHSA-2024:1089RHSA-2024:1142SUSE-SU-2023:4646-1CGA-54G5-XW2P-2XCH

Timeline

  1. 10-08-2023
    PublishedVulnerability first disclosed.
  2. 09-10-2024
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

2.15%

Chance of exploitation in the next 30 days

Percentile

82%

Versus all other CVEs

30-day change

No change 0.00 pp

From 2.15% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

1 found
  • githubUnverified

    Haproxy

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Suse6 products
  • haproxy&distro=SUSE Linux Enterprise High Availability Extension 15 SP2< 2.0.31-150200.11.23.1
  • haproxy&distro=SUSE Linux Enterprise High Availability Extension 15 SP3< 2.0.31-150200.11.23.1
  • haproxy&distro=SUSE Linux Enterprise High Availability Extension 15 SP4< 2.4.22+git0.f8e3218e2-150400.3.16.1
  • haproxy&distro=SUSE Linux Enterprise High Availability Extension 15 SP5< 2.4.22+git0.f8e3218e2-150400.3.16.1
  • haproxy&distro=SUSE Linux Enterprise Micro 5.3< 2.4.22+git0.f8e3218e2-150400.3.16.1
Opensuse5 products
  • haproxy&distro=openSUSE Leap 15.4< 2.4.22+git0.f8e3218e2-150400.3.16.1
  • haproxy&distro=openSUSE Leap 15.5< 2.4.22+git0.f8e3218e2-150400.3.16.1
  • haproxy&distro=openSUSE Leap Micro 5.3< 2.4.22+git0.f8e3218e2-150400.3.16.1
  • haproxy&distro=openSUSE Leap Micro 5.4< 2.4.22+git0.f8e3218e2-150400.3.16.1
  • haproxy&distro=openSUSE Tumbleweed< 2.8.2+git0.61a0f576a-2.1
Redhat4 products
  • haproxy< 0:2.2.24-4.rhaos4.13.el8 | < 0:2.2.24-4.rhaos4.12.el8 | < 0:2.2.24-4.rhaos4.11.el8
  • haproxy-debugsource< 0:2.2.24-4.rhaos4.13.el8 | < 0:2.2.24-4.rhaos4.12.el8 | < 0:2.2.24-4.rhaos4.11.el8
  • haproxy22< 0:2.2.24-4.rhaos4.13.el8 | < 0:2.2.24-4.rhaos4.12.el8 | < 0:2.2.24-4.rhaos4.11.el8
  • haproxy22-debuginfo< 0:2.2.24-4.rhaos4.13.el8 | < 0:2.2.24-4.rhaos4.12.el8 | < 0:2.2.24-4.rhaos4.11.el8
Debian1 product
  • haproxy< 2.6.12-1+deb12u1 | < 2.6.15-1
Haproxy1 product
  • haproxy≤ 2.0.32 | ≥ 2.2.0, ≤ 2.2.30 | ≥ 2.4.0, ≤ 2.4.23 | ≥ 2.5.0, < 2.6.15 | ≥ 2.7.0, < 2.7.10 | ≥ 2.8.0, < 2.8.2
Mageia1 product
  • haproxy< 2.8.3-9.mga9
Ubuntu1 product
  • haproxy< 2.4.22-0ubuntu0.22.04.2 | < 2.0.31-0ubuntu0.2

7 vendors · 19 products

References

28 links
Show all 28 references