Vulnerability in Google Chrome
CVE-2021-30577
Insufficient policy enforcement in Installer in Google Chrome prior to 92.0.4515.107 allowed a remote attacker to perform local privilege escalation via a crafted file.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.010 (59.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- Google Chrome — versions unspecified
- Fedoraproject Fedora — versions 33, 34, 35
Weakness classification (CWE)
Public proof-of-concept exploits
References
- chromereleases.googleblog.com/2021/07/stable-channel-update-for-desktop_20.html (Vendor Advisory)
- crbug.com/1204811 (Exploit, Third Party Advisory, Issue Tracking)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
Frequently asked questions
- What is CVE-2021-30577?
- CVE-2021-30577 is a high-severity vulnerability in Google Chrome, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 7.8/10. Published 2021-08-03.
- How severe is CVE-2021-30577?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2021-30577 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.