CVE-2021-31799
HIGH
7
CVSS Score
Published: July 29, 2021 at 12:00 AM UTC
Updated: June 17, 2026 at 03:52 AM UTC
4 products affected across 3 vendorsDebian LinuxJD Edwards EnterpriseOne ToolsRdoc
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Severity
HIGH7
Exploit prediction
EPSS 1%
SSVC
No known exploit
Description
In RDoc 3.11 through 6.x before 6.3.1, as distributed with Ruby through 3.0.1, it is possible to execute arbitrary code via | and tags in a filename.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Debian Linux· Debiandrupal
95%v < 9.2.6.1
Affected range stops below 9.2.6.1, so it looks safe — our inference, not a vendor statement
Rdoc· Ruby Langrubygems
95%3.11 ≤ v < 6.3.1
Affected range stops below 6.3.1, so it looks safe — our inference, not a vendor statement
ruby-lang-ruby (environment)
Ruby· Ruby Langrubygemsdevice
80%All versions
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (6)
Mailing ListThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2021/10/msg00009.htmlThird Party Advisory
Source: [email protected]
https://security-tracker.debian.org/tracker/CVE-2021-31799Third Party Advisory
Source: [email protected]
https://security.netapp.com/advisory/ntap-20210902-0004/x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://www.oracle.com/security-alerts/cpuapr2022.htmlPatchVendor Advisory
Source: [email protected]
https://www.ruby-lang.org/en/news/2021/05/02/os-command-injection-in-rdoc/SSVC — Action Prioritization
SSVCNo known exploitNot automatableTotal impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
7HIGHCISA-ADP
- Attack Vector
- LOCAL
- Complexity
- HIGH
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-78
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