What is CVE-2021-32555?

CVE-2021-32555 is a high-severity vulnerability in Canonical Apport, classified under Improper Link Resolution Before File Access. CVSS score: 7.3/10. Published 2021-06-12.

How severe is CVE-2021-32555?

High severity. CVSS v3 base score is 7.3 out of 10.

Is CVE-2021-32555 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Canonical Apport

CVE-2021-32555

It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. When this function is used by the xorg-hwe-18.04 package apport hooks, it could expose private data to other local users.

EPSS: 0.001 (17.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:L.

Affected products

Canonical Apport — versions 2.20.1, 2.20.9, 2.20.11-0ubuntu27

Weakness classification (CWE)

Public proof-of-concept exploits

n0-traces/cve_

References

bugs.launchpad.net/ubuntu/+source/apport/+bug/1917904 (x_refsource_MISC)

Frequently asked questions

What is CVE-2021-32555?: CVE-2021-32555 is a high-severity vulnerability in Canonical Apport, classified under Improper Link Resolution Before File Access. CVSS score: 7.3/10. Published 2021-06-12.
How severe is CVE-2021-32555?: High severity. CVSS v3 base score is 7.3 out of 10.
Is CVE-2021-32555 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.