CVE detail

CVE-2020-35766 — CVE-2020-35766

Published 2020-12-28 · Modified 2026-06-17 · Vendor opendkim · Product opendkim · Source nvd

HIGH

severity

CVSS-derived band

7.8

CVSS v3

0–10 scale

0.0052

EPSS probability

exploitation probability, 30d

41.0%

EPSS percentile

percentile vs all CVEs

NOT LISTED

CISA KEV

known exploited catalog

Description

The test suite in libopendkim in OpenDKIM through 2.10.3 allows local users to gain privileges via a symlink attack against the /tmp/testkeys file (related to t-testdata.h, t-setup.c, and t-cleanup.c). NOTE: this is applicable to persons who choose to engage in the "A number of self-test programs are included here for unit-testing the library" situation.

Remediation

No vendor-published fix data in our corpus for this CVE. Check the references below or the vendor's PSIRT / security advisories page.

References

cvedb.io · NVD · CISA KEV · FIRST EPSS · vendor advisories (CVE Program List v5). Informational only, no warranty — verify every remediation against the vendor advisory before acting on it. This product uses data from the NVD API but is not endorsed or certified by the NVD, CISA, FIRST.org or any vendor named. CVE® is a registered trademark of The MITRE Corporation.