CVE-2021-30577: fedoraproject fedora
Vulnerability summary
CVE-2021-30577 is a high (CVSS 7.8) vulnerability in fedoraproject fedora. EPSS estimates a 0.95% chance of exploitation in the next 30 days, higher than 61.3% of scored vulnerabilities. 1 public exploit is recorded.
Public exploit (reference, Date unknown)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 4 · Related 4Timeline
- 03-08-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · AlpineEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.95%
Chance of exploitation in the next 30 days
Percentile
61%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.95% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
1 foundExploit Reference (crbug.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.
Alpine1 product
- chromium< 92.0.4515.107-r0
Debian1 product
- chromium< 93.0.4577.82-1
Fedoraproject1 product
- fedoraEOL33 | 34 | 35
Google1 product
- chrome≥ unspecified, < 92.0.4515.107 | < 92.0.4515.107
Ubuntu1 product
- chromium-browser< 92.0.4515.159-0ubuntu0.18.04.1
5 vendors · 5 products
References
9 links- chromereleases.googleblog.com/2021/07/stable-channel-update-for-desktop_20.htmlX Refsource MISCVendor Advisory