CVE-2020-8180
CRITICALCVSS 9.9/10EPSS 1.67%
Last modified
CVE-2020-8180 is a critical-severity vulnerability rated 9.9/10 on the CVSS scale. A too lax check in Nextcloud Talk 6.0.4, 7.0.2 and 8.0.7 allowed a code injection when a not correctly sanitized talk command was added by an administrator.. EPSS estimates a 1.67% chance of exploitation in the next 30 days.
Description
A too lax check in Nextcloud Talk 6.0.4, 7.0.2 and 8.0.7 allowed a code injection when a not correctly sanitized talk command was added by an administrator.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Nextcloud | Talk | < 6.0.5 |
| Nextcloud | Talk | >= 7.0.0, < 7.0.3 |
| Nextcloud | Talk | >= 8.0.0, < 8.0.8 |
References
- https://hackerone.com/reports/851807Exploit, Patch, Third Party Advisory
- https://nextcloud.com/security/advisory/?id=NC-SA-2020-021Vendor Advisory
- https://hackerone.com/reports/851807Exploit, Patch, Third Party Advisory
- https://nextcloud.com/security/advisory/?id=NC-SA-2020-021Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-8180?
A too lax check in Nextcloud Talk 6.0.4, 7.0.2 and 8.0.7 allowed a code injection when a not correctly sanitized talk command was added by an administrator.
How severe is CVE-2020-8180?
CVE-2020-8180 has a CVSS score of 9.9/10 (CRITICAL severity). The EPSS model estimates a 1.67% probability of exploitation in the next 30 days.
How do I fix CVE-2020-8180?
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-2020-8180?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST