10

CVE-2022-30123: debian debian_linux

Modified
AliasesUBUNTU-CVE-2022-30123DEBIAN-CVE-2022-30123GHSA-wq4h-7r42-5hrr
Published 05-12-2022Last modified 03-08-2024

Vulnerability summary

CVE-2022-30123 is a critical (CVSS 10.0) vulnerability in debian debian_linux. EPSS estimates a 1.96% chance of exploitation in the next 30 days, higher than 80.2% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 10 (NVD); no exploitation reported by the 5 checked sources; EPSS 2% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
10.0/10
010
Critical · v3.1 (NVD)
EPSS score
1.96%
0%100%
Low · +0.07 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 20 · Related 15
DLA-3095-1DSA-5530-1MGASA-2022-0252OPENSUSE-SU-2024:12119-1OPENSUSE-SU-2024:12397-1OPENSUSE-SU-2024:12974-1

Timeline

  1. 05-12-2022
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

A sequence injection vulnerability exists in Rack <2.0.9.1, <2.1.4.1 and <2.2.3.1 which could allow is a possible shell escape in the Lint and CommonLogger components of Rack.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

1.96%

Chance of exploitation in the next 30 days

Percentile

80%

Versus all other CVEs

30-day change

Increase +0.07 pp

From 1.88% on 04-10-2026

04-10-202603-11-2026

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: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Debian2 products
Rack_project1 product
  • rack< 2.0.9.1 | ≥ 2.1.0, < 2.1.4.1 | ≥ 2.2.0, < 2.2.3.1
RubyGems1 product
  • rack< 2.0.9.1 | ≥ 2.1, < 2.1.4.1 | ≥ 2.2, < 2.2.3.1
Ubuntu1 product
  • ruby-rack< 1.5.2-3+deb8u3ubuntu1~esm4 | < 1.6.4-3ubuntu0.2+esm2 | < 1.6.4-4ubuntu0.2+esm2 | < 2.0.7-2ubuntu0.1+esm2 | < 2.1.4-5ubuntu1.1 | < 2.1.4-5ubuntu1+esm2

4 vendors · 5 products

References

17 links
Show all 17 references