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HIGH

CVE-2024-0567

CVSS v3

7.5

HIGH

EPSS Score

1.4 %

exploit probability, as of 2026-10-19

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • gnutlsAlmaLinux:9all versions · fixed in 3.7.6-23.el9_3.3and 4 other packages

Vendor advisories

  • CVE-2024-0567 Red Hat Product Security348 products fixed · 18 known affected

    gnutls: rejects certificate chain with distributed trust

    gnutls as a component of Red Hat Enterprise Linux 6 · gnutls-devel as a component of Red Hat Enterprise Linux 6 · gnutls-guile as a component of Red Hat Enterprise Linux 6

  • RHSA-2024:2094 Red Hat Product Security59 products fixed

    Red Hat Security Advisory: security update Logging for Red Hat OpenShift - 5.8.6

  • RHSA-2024:1383 Red Hat Product Security89 products fixed

    Red Hat Security Advisory: Red Hat OpenShift Data Foundation 4.15.0 security, enhancement, & bug fix update

  • RHSA-2024:1082 Red Hat Product Security75 products fixed

    Red Hat Security Advisory: gnutls security update

  • RHSA-2024:0533 Red Hat Product Security75 products fixed

    Red Hat Security Advisory: gnutls security update

  • ICSA-23-166-11 CISA1 known affected

    Siemens SIMATIC S7-1500 TM MFP Linux Kernel

    SIMATIC S7-1500 TM MFP - GNU/Linux subsystem

1 more advisory

Full record on NVD

Description

A vulnerability was found in GnuTLS, where a cockpit (which uses gnuTLS) rejects a certificate chain with distributed trust. This issue occurs when validating a certificate chain with cockpit-certificate-ensure. This flaw allows an unauthenticated, remote client or attacker to initiate a denial of service attack.

Technical details

Published
2024-01-16

Frequently asked questions

What is CVE-2024-0567?

A vulnerability was found in GnuTLS, where a cockpit (which uses gnuTLS) rejects a certificate chain with distributed trust. This issue occurs when validating a certificate chain with cockpit-certificate-ensure. This flaw allows an unauthenticated, remote client or attacker to initiate a denial of service attack.

Is CVE-2024-0567 actively exploited?

Active exploitation of CVE-2024-0567 has not been confirmed. Its EPSS score was 1.4% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2024-0567?

CVE-2024-0567 has a CVSS v3 base score of 7.5 (HIGH severity).

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