CVE-2021-20307
CRITICALCVSS 9.8/10EPSS 1.94%
Last modified
CVE-2021-20307 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Format string vulnerability in panoFileOutputNamesCreate() in libpano13 2.9.20~rc2+dfsg-3 and earlier can lead to read and write arbitrary memory values.. EPSS estimates a 1.94% chance of exploitation in the next 30 days.
Description
Format string vulnerability in panoFileOutputNamesCreate() in libpano13 2.9.20~rc2+dfsg-3 and earlier can lead to read and write arbitrary memory values.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Libpano13 Project | Libpano13 | <= 2.9.19 | — |
| Libpano13 Project | Libpano13 | 2.9.20 | Rc1 |
| Fedoraproject | Fedora | 32 | — |
| Fedoraproject | Fedora | 33 | — |
| Fedoraproject | Fedora | 34 | — |
| Debian | Debian Linux | 9.0 | — |
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1946284Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/04/msg00010.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202107-47Third Party Advisory
- https://sourceforge.net/projects/panotools/files/libpano13/libpano13-2.9.20/Product, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1946284Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/04/msg00010.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202107-47Third Party Advisory
- https://sourceforge.net/projects/panotools/files/libpano13/libpano13-2.9.20/Product, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-20307?
Format string vulnerability in panoFileOutputNamesCreate() in libpano13 2.9.20~rc2+dfsg-3 and earlier can lead to read and write arbitrary memory values.
How severe is CVE-2021-20307?
CVE-2021-20307 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.94% probability of exploitation in the next 30 days.
How do I fix CVE-2021-20307?
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-2021-20307?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST