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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…
High7.8EPSS 1.5%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 1.5% · top 25% of all CVEs (5 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Weakness
Affected products
n/a
- affected n/a
References (8)
- USN-3894-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- https://www.oracle.com/security-alerts/cpujan2021.html (opens in a new tab)x_refsource_MISCx_transferred
- https://gitlab.gnome.org/GNOME/gnome-keyring/tags/3.27.2 (opens in a new tab)x_refsource_MISCx_transferred
- https://gitlab.gnome.org/GNOME/gnome-keyring/issues/3 (opens in a new tab)x_refsource_MISCx_transferred
- https://bugs.launchpad.net/ubuntu/+source/gnome-keyring/+bug/1772919 (opens in a new tab)x_refsource_MISCx_transferred
- https://bugzilla.gnome.org/show_bug.cgi?id=781486 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/huntergregal/mimipenguin/tree/d95f1e08ce79783794f38433bbf7de5abd9792da (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/huntergregal/mimipenguin (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2018-20781)Record last updated .