CVE-2021-30608
HIGHCVSS 8.8/10EPSS 3.85%
Last modified
CVE-2021-30608 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Chromium: CVE-2021-30608 Use after free in Web Share. EPSS estimates a 3.85% chance of exploitation in the next 30 days.
Description
Chromium: CVE-2021-30608 Use after free in Web Share
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 |
|---|---|---|
| Fedoraproject | Fedora | 35 |
| Microsoft | Edge | <= 93.0.961.38 |
| Microsoft | Edge Chromium | <= 93.0.4577.63 |
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-30608Patch, Vendor Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-30608Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-30608?
Chromium: CVE-2021-30608 Use after free in Web Share
How severe is CVE-2021-30608?
CVE-2021-30608 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 3.85% probability of exploitation in the next 30 days.
How do I fix CVE-2021-30608?
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
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- CVE-2021-30604Use after free in ANGLE in Google Chrome prior to 92.0.4515.…8.8
- CVE-2021-30605Inappropriate implementation in the ChromeOS Readiness Tool …7.8
- CVE-2021-30606Chromium: CVE-2021-30606 Use after free in Blink8.8
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- CVE-2021-30609Chromium: CVE-2021-30609 Use after free in Sign-In8.8
- CVE-2021-3061An OS command injection vulnerability in the Palo Alto Netwo…7.2
- CVE-2021-30610Chromium: CVE-2021-30610 Use after free in Extensions API8.8
- CVE-2021-30611Chromium: CVE-2021-30611 Use after free in WebRTC8.8
- CVE-2021-30612Chromium: CVE-2021-30612 Use after free in WebRTC8.8
- CVE-2021-30613Chromium: CVE-2021-30613 Use after free in Base internals8.8
Are you affected by CVE-2021-30608?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST