CVE-2020-15983
HIGHCVSS 7.8/10EPSS 0.29%
Last modified
CVE-2020-15983 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Insufficient data validation in webUI in Google Chrome on ChromeOS prior to 86.0.4240.75 allowed a local attacker to bypass content security policy via a crafted HTML page.. EPSS estimates a 0.29% chance of exploitation in the next 30 days.
Description
Insufficient data validation in webUI in Google Chrome on ChromeOS prior to 86.0.4240.75 allowed a local attacker to bypass content security policy via a crafted HTML page.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Chrome | < 86.0.4240.75 | — | |
| Fedoraproject | Fedora | 31 | — |
| Fedoraproject | Fedora | 32 | — |
| Fedoraproject | Fedora | 33 | — |
| Debian | Debian Linux | 10.0 | — |
| Opensuse | Backports Sle | 15.0 | Sp2 |
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/1076786Permissions 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/1076786Permissions 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-2020-15983?
Insufficient data validation in webUI in Google Chrome on ChromeOS prior to 86.0.4240.75 allowed a local attacker to bypass content security policy via a crafted HTML page.
How severe is CVE-2020-15983?
CVE-2020-15983 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.29% probability of exploitation in the next 30 days.
How do I fix CVE-2020-15983?
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-2020-15978Insufficient data validation in navigation in Google Chrome …8.8
- CVE-2020-15979Inappropriate implementation in V8 in Google Chrome prior to…8.8
- CVE-2020-1598<p>An elevation of privilege vulnerability exists when the W…6.1
- CVE-2020-15980Insufficient policy enforcement in Intents in Google Chrome …7.8
- CVE-2020-15981Out of bounds read in audio in Google Chrome prior to 86.0.4…6.5
- CVE-2020-15982Inappropriate implementation in cache in Google Chrome prior…6.5
- CVE-2020-15984Insufficient policy enforcement in Omnibox in Google Chrome …6.5
- CVE-2020-15985Inappropriate implementation in Blink in Google Chrome prior…6.5
- CVE-2020-15986Integer overflow in media in Google Chrome prior to 86.0.424…6.5
- CVE-2020-15987Use after free in WebRTC in Google Chrome prior to 86.0.4240…8.8
- CVE-2020-15988Insufficient policy enforcement in downloads in Google Chrom…6.3
- CVE-2020-15989Uninitialized data in PDFium in Google Chrome prior to 86.0.…5.5
Are you affected by CVE-2020-15983?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST