7.5

CVE-2021-40330: debian debian_linux

CVSS: 7.5v3.1HighModified
AliasesALPINE-CVE-2021-40330SUSE-SU-2021:3300-1SUSE-SU-2021:3484-1
Published 31-08-2021Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2021-40330 is a high (CVSS 7.5) vulnerability in debian debian_linux. EPSS estimates a 2.87% chance of exploitation in the next 30 days, higher than 86.6% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
41/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
2.87%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Advisory lineage

Upstream 0 · Downstream 1
DLA-3145-1

Timeline

  1. 31-08-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

git_connect_git in connect.c in Git before 2.30.1 allows a repository path to contain a newline character, which may result in unexpected cross-protocol requests, as demonstrated by the git://localhost:1234/%0d%0a%0d%0aGET%20/%20HTTP/1.1 substring.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

2.87%

Chance of exploitation in the next 30 days

Percentile

87%

Versus all other CVEs

30-day change

0.00 pp

From 2.87% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.87%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Git

    Maturity: poc

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Suse7 products
  • git&distro=HPE Helion OpenStack 8< 2.26.2-27.49.3
  • git&distro=SUSE Linux Enterprise Module for Basesystem 15 SP2< 2.26.2-33.1
  • git&distro=SUSE Linux Enterprise Module for Development Tools 15 SP2< 2.26.2-33.1
  • git&distro=SUSE Linux Enterprise Server 12 SP5< 2.26.2-27.49.3
  • git&distro=SUSE Linux Enterprise Server for SAP Applications 12 SP5< 2.26.2-27.49.3
Debian2 products
Opensuse2 products
  • git&distro=openSUSE Leap 15.2< 2.26.2-lp152.2.12.1
  • git&distro=openSUSE Leap 15.3< 2.26.2-33.1
Alpine1 product
  • git< 2.26.3-r1
Git-scm1 product
Ubuntu1 product
  • git< 1:2.7.4-0ubuntu1.10+esm1 | < 1:2.17.1-1ubuntu0.9 | < 1:2.25.1-1ubuntu3.2

6 vendors · 14 products

References

15 links
Show all 15 references