CVE-2021-32554
MEDIUMCVSS 5.5/10EPSS 0.29%
Last modified
CVE-2021-32554 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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 package apport hooks, it could expose private data to other local users.. EPSS estimates a 0.29% chance of exploitation in the next 30 days.
Description
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 package apport hooks, it could expose private data to other local users.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Canonical | Ubuntu Linux | 18.04 |
| Canonical | Ubuntu Linux | 20.04 |
| Canonical | Ubuntu Linux | 20.10 |
| Canonical | Ubuntu Linux | 21.04 |
| Canonical | Ubuntu Linux | 21.10 |
References
- https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1917904Issue Tracking, Vendor Advisory
- https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1917904Issue Tracking, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-32554?
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 package apport hooks, it could expose private data to other local users.
How severe is CVE-2021-32554?
CVE-2021-32554 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.29% probability of exploitation in the next 30 days.
How do I fix CVE-2021-32554?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
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- CVE-2021-32550It was discovered that read_file() in apport/hookutils.py wo…5.5
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Are you affected by CVE-2021-32554?
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Scan your code nowSource: NVD / NIST