CVE-2021-31155

highpriority · track · 31EPSS 0.004 · 35 %ileEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.41% (35th) EPSS

CVSS 7.2 · high

Is it mine?

8 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · osv

EPSS · scored 2026-10-26

Failure to normalize the umask in please before 0.4 allows a local attacker to gain full root privileges if they are allowed to execute at least one command.

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

v2.07.2highAV:L/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 3.9 · impact 10

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

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · OSV

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-732USprimaryCWE-269USCWE-269USCWE-279US

affected products (8)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 10fstec_bduRU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 8fstec_bduRU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 9fstec_bduRU
Сообщество свободного программного обеспечения Please≤ 0.4fstec_bduRU
umask project umask< 0.4nvdUScpe:2.3:a:umask_project:umask:*:*:*:*:*:*:*:*
crates.io pleaser< 0.4.0osvUSpkg:cargo/pleaser
crates.io pleaser0.0.0-0 → 0.4.0osvUSpkg:cargo/pleaser

advisories (2)

Vendor and ecosystem advisories describing this.

GHSA-vc5p-j8vw-mc6xPermissions bypass in pleaser2021-08-25ghsa · osvUS
Failure to normalize the umask in pleaser before 0.4.0 allows a local attacker to gain full root privileges if they are allowed to execute at least one command.
RUSTSEC-2021-0101Permissions bypass in pleaser2021-05-27vendor · osvUS
Failure to normalize the umask in pleaser before 0.4 allows a local attacker to gain full root privileges if they are allowed to execute at least one command.

also known as (6)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu osv nvd NVD CVE.org MITRE

published 2021-05-27modified 2026-06-17

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references (9)

External citations — patches, advisories, analysis.

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