CVE-2020-6521
MEDIUMCVSS 6.5/10EPSS 1.70%
Last modified
CVE-2020-6521 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Side-channel information leakage in autofill in Google Chrome prior to 84.0.4147.89 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page.. EPSS estimates a 1.70% chance of exploitation in the next 30 days.
Description
Side-channel information leakage in autofill in Google Chrome prior to 84.0.4147.89 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Chrome | < 84.0.4147.89 | — | |
| Opensuse | Backports Sle | 15.0 | Sp1 |
| Debian | Debian Linux | 10.0 | — |
| Fedoraproject | Fedora | 31 | — |
| Fedoraproject | Fedora | 32 | — |
| Opensuse | Leap | 15.1 | — |
| Opensuse | Leap | 15.2 | — |
References
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00069.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00007.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00018.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00041.htmlMailing List, Third Party Advisory
- https://chromereleases.googleblog.com/2020/07/stable-channel-update-for-desktop.htmlRelease Notes, Vendor Advisory
- https://crbug.com/1075734Permissions Required, Vendor Advisory
- https://security.gentoo.org/glsa/202007-08Third Party Advisory
- https://www.debian.org/security/2021/dsa-4824Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00069.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00007.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00018.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00041.htmlMailing List, Third Party Advisory
- https://chromereleases.googleblog.com/2020/07/stable-channel-update-for-desktop.htmlRelease Notes, Vendor Advisory
- https://crbug.com/1075734Permissions Required, Vendor Advisory
- https://security.gentoo.org/glsa/202007-08Third Party Advisory
- https://www.debian.org/security/2021/dsa-4824Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-6521?
Side-channel information leakage in autofill in Google Chrome prior to 84.0.4147.89 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page.
How severe is CVE-2020-6521?
CVE-2020-6521 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.70% probability of exploitation in the next 30 days.
How do I fix CVE-2020-6521?
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-2020-6515Use after free in tab strip in Google Chrome prior to 84.0.4…8.8
- CVE-2020-6516Policy bypass in CORS in Google Chrome prior to 84.0.4147.89…4.3
- CVE-2020-6517Heap buffer overflow in history in Google Chrome prior to 84…8.8
- CVE-2020-6518Use after free in developer tools in Google Chrome prior to …8.8
- CVE-2020-6519Policy bypass in CSP in Google Chrome prior to 84.0.4147.89 …6.5
- CVE-2020-6520Buffer overflow in Skia in Google Chrome prior to 84.0.4147.…8.8
- CVE-2020-6522Inappropriate implementation in external protocol handlers i…9.6
- CVE-2020-6523Out of bounds write in Skia in Google Chrome prior to 84.0.4…8.8
- CVE-2020-6524Heap buffer overflow in WebAudio in Google Chrome prior to 8…8.8
- CVE-2020-6525Heap buffer overflow in Skia in Google Chrome prior to 84.0.…8.8
- CVE-2020-6526Inappropriate implementation in iframe sandbox in Google Chr…6.5
- CVE-2020-6527Insufficient policy enforcement in CSP in Google Chrome prio…4.3
Are you affected by CVE-2020-6521?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST