CVE-2020-6553
HIGHCVSS 8.8/10EPSS 1.52%
Last modified
CVE-2020-6553 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Use after free in offline mode in Google Chrome on iOS prior to 84.0.4147.125 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.. EPSS estimates a 1.52% chance of exploitation in the next 30 days.
Description
Use after free in offline mode in Google Chrome on iOS prior to 84.0.4147.125 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Chrome | < 84.0.4147.125 | |
| Debian | Debian Linux | 10.0 |
| Fedoraproject | Fedora | 33 |
References
- https://crbug.com/1111307Third Party Advisory
- https://www.debian.org/security/2021/dsa-4824Third Party Advisory
- https://crbug.com/1111307Third Party Advisory
- https://www.debian.org/security/2021/dsa-4824Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-6553?
Use after free in offline mode in Google Chrome on iOS prior to 84.0.4147.125 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
How severe is CVE-2020-6553?
CVE-2020-6553 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.52% probability of exploitation in the next 30 days.
How do I fix CVE-2020-6553?
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-2020-6547Incorrect security UI in media in Google Chrome prior to 84.…6.5
- CVE-2020-6548Heap buffer overflow in Skia in Google Chrome prior to 84.0.…8.8
- CVE-2020-6549Use after free in media in Google Chrome prior to 84.0.4147.…8.8
- CVE-2020-6550Use after free in IndexedDB in Google Chrome prior to 84.0.4…8.8
- CVE-2020-6551Use after free in WebXR in Google Chrome prior to 84.0.4147.…8.8
- CVE-2020-6552Use after free in Blink in Google Chrome prior to 84.0.4147.…8.8
- CVE-2020-6554Use after free in extensions in Google Chrome prior to 84.0.…8.6
- CVE-2020-6555Out of bounds read in WebGL in Google Chrome prior to 84.0.4…7.6
- CVE-2020-6556Heap buffer overflow in SwiftShader in Google Chrome prior t…8.8
- CVE-2020-6557Inappropriate implementation in networking in Google Chrome …6.5
- CVE-2020-6558Insufficient policy enforcement in iOSWeb in Google Chrome o…6.5
- CVE-2020-6559Use after free in presentation API in Google Chrome prior to…8.8
Are you affected by CVE-2020-6553?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST