Paper/Archive/CVE-2021-46880

CVE-2021-46880

mitre — x509/x509_verify.c in LibreSSL before 3.4.2, and OpenBSD before 7.0 errata 006, allows authentication bypass because an error for an unve…

EPSS 0.6%CVSS 9.8

critical.is priorityof 100

CVSS 9.8 (NVD, ADP agree)9.8 / 10 × 3029.4 Not in CISA KEV+300.0 EPSS percentile 47.1.471 × 209.4 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

x509/x509_verify.c in LibreSSL before 3.4.2, and OpenBSD before 7.0 errata 006, allows authentication bypass because an error for an unverified certificate chain is sometimes discarded.

Affected

ProductAffectedFixed inSource

n/an/a–CNA

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-3.4.2-relnotes.txt refgithub.com/openbsd/src/commit/3f851282810fa0ab4b90b3b1ecec2e8717ef16f8 refftp.openbsd.org/pub/OpenBSD/patches/7.0/common/006_x509.patch.sig refsecurity.netapp.com/advisory/ntap-20230517-0006