CVE-2021-30630
MEDIUMCVSS 4.3/10EPSS 0.71%
Last modified
CVE-2021-30630 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Inappropriate implementation in Blink in Google Chrome prior to 93.0.4577.82 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page.. EPSS estimates a 0.71% chance of exploitation in the next 30 days.
Description
Inappropriate implementation in Blink in Google Chrome prior to 93.0.4577.82 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Chrome | < 93.0.4577.82 | |
| Fedoraproject | Fedora | 33 |
| Fedoraproject | Fedora | 35 |
References
- https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop.htmlRelease Notes, Vendor Advisory
- https://crbug.com/1244568Permissions Required, Vendor Advisory
- https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop.htmlRelease Notes, Vendor Advisory
- https://crbug.com/1244568Permissions Required, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-30630?
Inappropriate implementation in Blink in Google Chrome prior to 93.0.4577.82 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page.
How severe is CVE-2021-30630?
CVE-2021-30630 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.71% probability of exploitation in the next 30 days.
How do I fix CVE-2021-30630?
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.
Are you affected by CVE-2021-30630?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST