VDB
CVE-2021-21220
CVE-2021-21220
PUBLISHED
KEV
Insufficient validation of untrusted input in V8 in Google Chrome prior to 89.0.4389.128 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
EPSS 91.24% · 99.7th percentile
Risk Scores
EPSS Score
91.24%
99.7th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:16.04:LTS | chromium-browser | 72.0.3626.121-0ubuntu0.16.04.1, 61.0.3163.79-0ubuntu0.16.04.1300, 61.0.3163.100-0ubuntu0.16.04.1306 |
| Ubuntu:18.04:LTS | chromium-browser | 62.0.3202.62-0ubuntu0.17.10.1380, 62.0.3202.89-0ubuntu1.1386, 62.0.3202.94-0ubuntu1.1388 |
Exploit Intelligence
- CVE-2021-21220 Exploitation infrastructure (github-poc-repo)
- CVE-2021-21220 Exploitation infrastructure (github-poc-repo)
- CVE-2021-21220 Exploitation infrastructure (github-poc-repo)
- CVE-2021-21220 Exploitation infrastructure (github-poc-repo)
- CVE-2021-21220 Exploitation infrastructure (github-poc-repo)
- CVE-2021-21220 Exploitation infrastructure (github-poc-repo)
- CVE-2021-21220 Exploitation infrastructure (github-poc-repo)
- CVE-2021-21220 Exploitation infrastructure (github-poc)
- CVE-2021-21220 Exploitation infrastructure (github-poc)
- CVE-2021-21220 Exploitation infrastructure (github-poc)
…and 84 more exploits
Timeline
- Apr 14, 2021 CVE Published
- Apr 14, 2021 PoC Published
- Apr 27, 2021 EPSS Score
- May 4, 2021 PoC Published
- May 4, 2021 EPSS Score
- May 12, 2021 EPSS Score
- Jun 30, 2021 EPSS Score
- Nov 2, 2021 EPSS Score
- Nov 3, 2021 CISA KEV Added
- Nov 8, 2021 PoC Published
- Nov 20, 2021 PoC Published
- Jan 3, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2021-21220 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-21220 third-party-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog third-party-advisory