CVE-2021-32557
HIGHCVSS 7.1/10EPSS 0.39%
Last modified
CVE-2021-32557 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. It was discovered that the process_report() function in data/whoopsie-upload-all allowed arbitrary file writes via symlinks.. EPSS estimates a 0.39% chance of exploitation in the next 30 days.
Description
It was discovered that the process_report() function in data/whoopsie-upload-all allowed arbitrary file writes via symlinks.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Canonical | Apport | >= 2.14.1-0ubuntu3, < 2.14.1-0ubuntu3.29\+esm7 |
| Canonical | Apport | >= 2.20.1, < 2.20.1-0ubuntu2.30\+esm1 |
| Canonical | Apport | >= 2.20.9, < 2.20.9-0ubuntu7.24 |
| Canonical | Apport | >= 2.20.11-0ubuntu27, < 2.20.11-0ubuntu27.18 |
| Canonical | Apport | >= 2.20.11-0ubuntu50, < 2.20.11-0ubuntu50.7 |
| Canonical | Apport | >= 2.20.11-0ubuntu65, < 2.20.11-0ubuntu65.1 |
References
- https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1917904Exploit, Vendor Advisory
- https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1917904Exploit, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-32557?
It was discovered that the process_report() function in data/whoopsie-upload-all allowed arbitrary file writes via symlinks.
How severe is CVE-2021-32557?
CVE-2021-32557 has a CVSS score of 7.1/10 (HIGH severity). The EPSS model estimates a 0.39% probability of exploitation in the next 30 days.
How do I fix CVE-2021-32557?
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.
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Are you affected by CVE-2021-32557?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST