7.5

CVE-2021-3567: gnome caribou Improper Input Validation

CVSS: 7.5v3.1HighModified
AliasesSUSE-SU-2021:1943-1SUSE-SU-2021:2007-1SUSE-SU-2021:2414-1
Published 25-03-2022Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-3567 is a high (CVSS 7.5) Improper Input Validation vulnerability in gnome caribou. EPSS estimates a 1.16% chance of exploitation in the next 30 days, higher than 66.5% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
1.16%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 25-03-2022
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

A flaw was found in Caribou due to a regression of CVE-2020-25712 fix. An attacker could use this flaw to bypass screen-locking applications that leverage Caribou as an input mechanism. The highest threat from this vulnerability is to system availability.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.16%

Chance of exploitation in the next 30 days

Percentile

67%

Versus all other CVEs

30-day change

0.00 pp

From 1.16% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.16%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Suse30 products
  • caribou&distro=HPE Helion OpenStack 8< 0.4.21-8.3.1
  • caribou&distro=SUSE Enterprise Storage 6< 0.4.21-5.3.1
  • caribou&distro=SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS< 0.4.21-5.3.1
  • caribou&distro=SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS< 0.4.21-5.3.1
  • caribou&distro=SUSE Linux Enterprise High Performance Computing 15-ESPOS< 0.4.21-5.3.1
Opensuse2 products
  • caribou&distro=openSUSE Leap 15.2< 0.4.21-lp152.7.3.1
  • caribou&distro=openSUSE Leap 15.3< 0.4.21-12.5.1
Debian1 product
  • caribou< 0.4.21-7.1
Gnome1 product
Ubuntu1 product
  • caribouAll versions (No fix recorded)

5 vendors · 35 products

References

15 links
Show all 15 references