CVE-2021-21181
MEDIUMCVSS 6.5/10EPSS 1.60%
Last modified
CVE-2021-21181 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Side-channel information leakage in autofill in Google Chrome prior to 89.0.4389.72 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page.. EPSS estimates a 1.60% chance of exploitation in the next 30 days.
Description
Side-channel information leakage in autofill in Google Chrome prior to 89.0.4389.72 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
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Chrome | < 89.0.4389.72 | |
| Fedoraproject | Fedora | 32 |
| Fedoraproject | Fedora | 33 |
| Fedoraproject | Fedora | 34 |
| Debian | Debian Linux | 10.0 |
References
- https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop.htmlRelease Notes, Vendor Advisory
- https://crbug.com/1182767Issue Tracking, Permissions Required, Third Party Advisory
- https://security.gentoo.org/glsa/202104-08Third Party Advisory
- https://www.debian.org/security/2021/dsa-4886Third Party Advisory
- https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop.htmlRelease Notes, Vendor Advisory
- https://crbug.com/1182767Issue Tracking, Permissions Required, Third Party Advisory
- https://security.gentoo.org/glsa/202104-08Third Party Advisory
- https://www.debian.org/security/2021/dsa-4886Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-21181?
Side-channel information leakage in autofill in Google Chrome prior to 89.0.4389.72 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page.
How severe is CVE-2021-21181?
CVE-2021-21181 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.60% probability of exploitation in the next 30 days.
How do I fix CVE-2021-21181?
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 2021
- CVE-2021-21176Inappropriate implementation in full screen mode in Google C…6.5
- CVE-2021-21177Insufficient policy enforcement in Autofill in Google Chrome…6.5
- CVE-2021-21178Inappropriate implementation in Compositing in Google Chrome…6.5
- CVE-2021-21179Use after free in Network Internals in Google Chrome on Linu…8.8
- CVE-2021-2118Vulnerability in the Oracle Marketing product of Oracle E-Bu…8.2
- CVE-2021-21180Use after free in tab search in Google Chrome prior to 89.0.…8.8
- CVE-2021-21182Insufficient policy enforcement in navigations in Google Chr…6.5
- CVE-2021-21183Inappropriate implementation in performance APIs in Google C…4.3
- CVE-2021-21184Inappropriate implementation in performance APIs in Google C…4.3
- CVE-2021-21185Insufficient policy enforcement in extensions in Google Chro…4.3
- CVE-2021-21186Insufficient policy enforcement in QR scanning in Google Chr…4.3
- CVE-2021-21187Insufficient data validation in URL formatting in Google Chr…4.3
Are you affected by CVE-2021-21181?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST