HIGH

CVE-2018-20781

CVSS v3

7.8

HIGH

EPSS Score

1.5 %

exploit probability, as of 2026-10-19

CISA KEV

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.

Vendor advisories

CVE-2018-20781 Red Hat Product Security6 known affected
gnome-keyring: user's login credentials is kept in a session-child process resulting in exposed plaintext password
gnome-keyring as a component of Red Hat Enterprise Linux 6 · gnome-keyring-devel as a component of Red Hat Enterprise Linux 6 · gnome-keyring-pam as a component of Red Hat Enterprise Linux 6

Full record on NVD

Description

In pam/gkr-pam-module.c in GNOME Keyring before 3.27.2, the user's password is kept in a session-child process spawned from the LightDM daemon. This can expose the credential in cleartext.

Technical details

Published: 2019-02-12

Frequently asked questions

What is CVE-2018-20781?

In pam/gkr-pam-module.c in GNOME Keyring before 3.27.2, the user's password is kept in a session-child process spawned from the LightDM daemon. This can expose the credential in cleartext.

Is CVE-2018-20781 actively exploited?

Active exploitation of CVE-2018-20781 has not been confirmed. Its EPSS score was 1.5% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-20781?

CVE-2018-20781 has a CVSS v3 base score of 7.8 (HIGH severity).

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