CVE-2021-31155
HIGH
7.8
CVSS Score
Published: May 27, 2021 at 12:11 PM UTC
Updated: June 17, 2026 at 03:51 AM UTC
1 product affected across 1 vendorUmask
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Severity
HIGH7.8
Exploit prediction
EPSS 0.4%
Description
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 0.4
Affected range stops below 0.4, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (2)
x_refsource_MISCThird Party Advisory
Source: [email protected]
https://gitlab.com/edneville/please/-/tree/master/src/binx_refsource_MISCExploitMailing ListThird Party Advisory
Source: [email protected]
https://www.openwall.com/lists/oss-security/2021/05/18/1CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-732
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