7

CVE-2021-31799: debian debian_linux

Modified
AliasesALPINE-CVE-2021-31799UBUNTU-CVE-2021-31799DEBIAN-CVE-2021-31799
Published 29-07-2021Last modified 15-10-2024

Vulnerability summary

CVE-2021-31799 is a high (CVSS 7.0) vulnerability in debian debian_linux. EPSS estimates a 1.48% chance of exploitation in the next 30 days, higher than 73.9% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.0/10
010
High · v3.1 (CVE.org)
EPSS score
1.48%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 25 · Related 13
DLA-2780-1DSA-5066-1MGASA-2021-0579OPENSUSE-SU-2021:1535-1OPENSUSE-SU-2021:3838-1OPENSUSE-SU-2024:11622-1

Timeline

  1. 29-07-2021
    PublishedVulnerability first disclosed.
  2. 15-10-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

7 scores · 6 sources · 2 versions

EPSS trend

Probability

1.48%

Chance of exploitation in the next 30 days

Percentile

74%

Versus all other CVEs

30-day change

No change 0.00 pp

From 1.48% on 05-10-2026

05-10-202604-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu3 products
  • ruby2.3< 2.3.1-2~ubuntu16.04.16+esm1
  • ruby2.5< 2.5.1-1ubuntu1.10
  • ruby2.7< 2.7.0-5ubuntu1.5
Debian2 products
Alpine1 product
  • ruby< 2.6.8-r0 | < 2.7.4-r0
Oracle1 product
Ruby-lang1 product
  • rdoc≥ 3.11, < 6.3.1
RubyGems1 product
  • rdoc≥ 3.11, < 6.1.2.1 | ≥ 6.2.0, < 6.2.1.1 | ≥ 6.3.0, < 6.3.1

6 vendors · 9 products

References

18 links
Show all 18 references