CVE-2020-35766

PoC —

CVSS 3.1

7.8 high

EPSS

<1%p42

Published

Dec 28, 2020 (Dec 28, 2020)

Modified

Jun 17, 2026

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.

Vendors: opendkim
Products: opendkim
Weakness: CWE-59
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.5%)

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