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Fencer Vulns
medium 6.3

CVE-2024-2379 json

QUIC certificate check bypass with wolfSSL

published 2024-03-27 2 y ago modified 2026-10-15 25 d ago also EUVD-2024-27332 , GHSA-wr4c-gwg7-p734 , JLSEC-2026-415

cvss
6.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.9%
EPSS 1.9% chance of exploitation in 30 days, percentile 79%
public exploits
0
none known

Summary

libcurl skips the certificate verification for a QUIC connection under certain conditions, when built to use wolfSSL. If told to use an unknown/bad cipher or curve, the error path accidentally skips the verification and returns OK, thus ignoring any certificate problems.

Patch / fix

  • julia CURL_jll 8.9.0+0
  • julia LibCURL_jll 8.7.1+0
  • Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP V3.1.5
  • Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP V3.1.5
  • Siemens SINEMA Remote Connect Client V3.2 SP2
  • Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP V3.1.5
  • Siemens SINEC NMS V3.0 SP1
  • curl Debian 14, Debian 13 8.7.1-1

debian advisories DEBIAN-CVE-2024-2379

  • jbcs-httpd24-curl jboss core services 1 8.7.1-2.el7jbcs
  • jbcs-httpd24-curl jboss core services 1 8.7.1-2.el8jbcs
  • jbcs-httpd24-httpd jboss core services 1 2.4.57-10.el7jbcs
  • jbcs-httpd24-httpd jboss core services 1 2.4.57-10.el8jbcs
  • jbcs-httpd24-mod_jk jboss core services 1 1.2.49-6.redhat_1.el7jbcs
  • jbcs-httpd24-mod_jk jboss core services 1 1.2.49-6.redhat_1.el8jbcs
  • jbcs-httpd24-mod_md jboss core services 1 1:2.4.24-6.el7jbcs
  • jbcs-httpd24-mod_md jboss core services 1 1:2.4.24-6.el8jbcs

red hat advisories RHSA-2024:2693

  • curl Linux Micro 6.0 8.6.0-3.1

suse advisories SUSE-SU-2025:20029-1

  • curl openSUSE Tumbleweed 8.7.1-1.1

opensuse advisories openSUSE-SU-2024:13805-1

  • curl Alpine 3.24, Alpine 3.23, Alpine 3.22 +5 more 8.7.1-r0

alpine advisories ALPINE-CVE-2024-2379

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • cmake Azure Linux 3.0 3.30.3-2

azure linux advisories AZL-42966

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2024-2379 updated cvss 5.4

curl: QUIC certificate check bypass with wolfSSL

  • Red Hat JBoss Core Services
    fixed: vendor fix RHSA-2024:2694
  • Red Hat JBoss Core Services on RHEL 7 Server jbcs-httpd24-curl 8.7.1-2.el7jbcs, jbcs-httpd24-httpd 2.4.57-10.el7jbcs, jbcs-httpd24-libcurl 8.7.1-2.el7jbcs, jbcs-httpd24-mod_md 2.4.24-6.el7jbcs, jbcs-httpd24-mod_ssl 2.4.57-10.el7jbcs, jbcs-httpd24-nghttp2 1.43.0-13.el7jbcs, +11 more Red Hat JBoss Core Services on RHEL 8 jbcs-httpd24-curl 8.7.1-2.el8jbcs, jbcs-httpd24-httpd 2.4.57-10.el8jbcs, jbcs-httpd24-libcurl 8.7.1-2.el8jbcs, jbcs-httpd24-mod_md 2.4.24-6.el8jbcs, jbcs-httpd24-mod_ssl 2.4.57-10.el8jbcs, jbcs-httpd24-nghttp2 1.43.0-13.el8jbcs, +11 more
    fixed: vendor fix RHSA-2024:2693
  • Red Hat Enterprise Linux 6 curl, libcurl Red Hat Enterprise Linux 7 curl, libcurl Red Hat Enterprise Linux 8 curl, libcurl, libcurl-minimal Red Hat Enterprise Linux 9 curl, libcurl, curl-minimal, libcurl-minimal Red Hat Enterprise Linux 10 curl Red Hat Software Collections httpd24-curl, httpd24-libcurl
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

cisa ICSA-23-348-10 updated cvss 4.3

Siemens SIMATIC S7-1500

  • Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0) >= 3.1.0, < 3.1.5 Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AC0) >= 3.1.0, < 3.1.5 Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AB0) >= 3.1.0, < 3.1.5 Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AC0) >= 3.1.0, < 3.1.5 Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP (6AG1518-4AX00-4AC0) >= 3.1.0, < 3.1.5
    affected: fixed in V3.1.5, mitigation support.industry.siemens.com

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

1.86% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • hackerone.com https://hackerone.com/reports/2410774 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 6.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
CNA 3.1 6.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
OSV 3.1 6.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

Affected packages

ecosystem package affected fixed in
julia CURL_jll
>=8.6.0+0, <8.9.0+0
8.9.0+0
julia LibCURL_jll
>=8.6.0+0, <8.7.1+0
8.7.1+0

Affected products

  • curl curl
  • Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP
  • Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP
  • Siemens SINEMA Remote Connect Client
  • Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP
  • Siemens SINEC NMS

Classification

Weakness
  • CWE-295 Improper Certificate Validation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.