CVE-2020-15973
MEDIUMCVSS 6.5/10EPSS 1.02%
Last modified
CVE-2020-15973 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Insufficient policy enforcement in extensions in Google Chrome prior to 86.0.4240.75 allowed an attacker who convinced a user to install a malicious extension to bypass same origin policy via a crafted Chrome Extension.. EPSS estimates a 1.02% chance of exploitation in the next 30 days.
Description
Insufficient policy enforcement in extensions in Google Chrome prior to 86.0.4240.75 allowed an attacker who convinced a user to install a malicious extension to bypass same origin policy via a crafted Chrome Extension.
Metrics
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Chrome | < 86.0.4240.75 | — | |
| Fedoraproject | Fedora | 31 | — |
| Fedoraproject | Fedora | 32 | — |
| Fedoraproject | Fedora | 33 | — |
| Opensuse | Backports Sle | 15.0 | Sp2 |
| Debian | Debian Linux | 10.0 | — |
References
- https://lists.opensuse.org/opensuse-security-announce/2020-11/msg00016.htmlMailing List, Third Party Advisory
- https://chromereleases.googleblog.com/2020/10/stable-channel-update-for-desktop.htmlRelease Notes, Vendor Advisory
- https://crbug.com/1106890Permissions Required, Vendor Advisory
- https://www.debian.org/security/2021/dsa-4824Third Party Advisory
- https://lists.opensuse.org/opensuse-security-announce/2020-11/msg00016.htmlMailing List, Third Party Advisory
- https://chromereleases.googleblog.com/2020/10/stable-channel-update-for-desktop.htmlRelease Notes, Vendor Advisory
- https://crbug.com/1106890Permissions Required, Vendor Advisory
- https://www.debian.org/security/2021/dsa-4824Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-15973?
Insufficient policy enforcement in extensions in Google Chrome prior to 86.0.4240.75 allowed an attacker who convinced a user to install a malicious extension to bypass same origin policy via a crafted Chrome Extension.
How severe is CVE-2020-15973?
CVE-2020-15973 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.02% probability of exploitation in the next 30 days.
How do I fix CVE-2020-15973?
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 2020
- CVE-2020-15968Use after free in Blink in Google Chrome prior to 86.0.4240.…8.8
- CVE-2020-15969Use after free in WebRTC in Google Chrome prior to 86.0.4240…8.8
- CVE-2020-1597A denial of service vulnerability exists when ASP.NET Core i…7.5
- CVE-2020-15970Use after free in NFC in Google Chrome prior to 86.0.4240.75…8.8
- CVE-2020-15971Use after free in printing in Google Chrome prior to 86.0.42…8.8
- CVE-2020-15972Use after free in audio in Google Chrome prior to 86.0.4240.…8.8
- CVE-2020-15974Integer overflow in Blink in Google Chrome prior to 86.0.424…8.8
- CVE-2020-15975Integer overflow in SwiftShader in Google Chrome prior to 86…8.8
- CVE-2020-15976Use after free in WebXR in Google Chrome on Android prior to…8.8
- CVE-2020-15977Insufficient data validation in dialogs in Google Chrome on …6.5
- CVE-2020-15978Insufficient data validation in navigation in Google Chrome …8.8
- CVE-2020-15979Inappropriate implementation in V8 in Google Chrome prior to…8.8
Are you affected by CVE-2020-15973?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST