CVE-2020-15961
CRITICALCVSS 9.6/10EPSS 1.47%
Last modified
CVE-2020-15961 is a critical-severity vulnerability rated 9.6/10 on the CVSS scale. Insufficient policy validation in extensions in Google Chrome prior to 85.0.4183.121 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted Chrome Extension.. EPSS estimates a 1.47% chance of exploitation in the next 30 days.
Description
Insufficient policy validation in extensions in Google Chrome prior to 85.0.4183.121 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted Chrome Extension.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Chrome | < 85.0.4183.121 | — | |
| Opensuse | Backports Sle | 15.0 | Sp1 |
| Opensuse | Leap | 15.1 | — |
| Opensuse | Leap | 15.2 | — |
| Fedoraproject | Fedora | 31 | — |
| Fedoraproject | Fedora | 32 | — |
| Fedoraproject | Fedora | 33 | — |
| Debian | Debian Linux | 10.0 | — |
References
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00087.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00095.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00096.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00049.htmlMailing List, Third Party Advisory
- https://chromereleases.googleblog.com/2020/09/stable-channel-update-for-desktop_21.htmlRelease Notes, Vendor Advisory
- https://crbug.com/1114636Exploit, Issue Tracking, Patch, Vendor Advisory
- https://security.gentoo.org/glsa/202009-13Third Party Advisory
- https://security.gentoo.org/glsa/202101-30Third Party Advisory
- https://www.debian.org/security/2021/dsa-4824Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00087.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00095.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00096.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00049.htmlMailing List, Third Party Advisory
- https://chromereleases.googleblog.com/2020/09/stable-channel-update-for-desktop_21.htmlRelease Notes, Vendor Advisory
- https://crbug.com/1114636Exploit, Issue Tracking, Patch, Vendor Advisory
- https://security.gentoo.org/glsa/202009-13Third Party Advisory
- https://security.gentoo.org/glsa/202101-30Third Party Advisory
- https://www.debian.org/security/2021/dsa-4824Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-15961?
Insufficient policy validation in extensions in Google Chrome prior to 85.0.4183.121 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted Chrome Extension.
How severe is CVE-2020-15961?
CVE-2020-15961 has a CVSS score of 9.6/10 (CRITICAL severity). The EPSS model estimates a 1.47% probability of exploitation in the next 30 days.
How do I fix CVE-2020-15961?
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-2020-15961?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST