CVE-2018-20781

lowpriority · track · 42EPSS 0.015 · 75 %ileexploit · functionalEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · functional

Likely / severe?

1.54% (75th) EPSS

CVSS 2.1 · low

Is it mine?

11 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–high · 2.1–7.8

v2.02.1lowAV:L/AC:L/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 2.9

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v3.17.8highAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.17.6highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Fsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-522USprimaryCWE-255US

exploits (1)

Public proof-of-concept and weaponised exploit code.

post/linux/gather/mimipenguinMimiPenguinfunctional · metasploit

affected products (11)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
Canonical Ltd. Ubuntu≤ 14.04 LTSfstec_bduRU
Canonical Ltd. Ubuntu≤ 16.04 LTSfstec_bduRU
Oracle Corp. Sun ZFS Storage Appliance Kit≤ 8.8fstec_bduRU
The GNOME Project GNOME Keyring≤ 3.27.2fstec_bduRU
ООО «Ред Софт» РЕД ОС≤ 7.2 Муромfstec_bduRU
ООО «РусБИТех-Астра» Astra Linux Special Edition для «Эльбрус»≤ 8.1 «Ленинград»fstec_bduRU
canonical ubuntu linux= 14.04nvdUScpe:2.3:o:canonical:ubuntu_linux:*:*:*:*:*:*:*:*
canonical ubuntu linux= 16.04nvdUScpe:2.3:o:canonical:ubuntu_linux:*:*:*:*:*:*:*:*
gnome gnome keyring< 3.27.2nvdUScpe:2.3:a:gnome:gnome_keyring:*:*:*:*:*:*:*:*
oracle zfs storage appliance kit= 8.8nvdUScpe:2.3:a:oracle:zfs_storage_appliance_kit:*:*:*:*:*:*:*:*

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2019-02-12modified 2026-06-17

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+1717 more

references (29)

External citations — patches, advisories, analysis.

scry

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