4.3

CVE-2021-30630: fedoraproject fedora Origin Validation Error

Modified
AliasesUBUNTU-CVE-2021-30630DEBIAN-CVE-2021-30630ALPINE-CVE-2021-30630
Published 08-10-2021Last modified 03-08-2024

Vulnerability summary

CVE-2021-30630 is a medium (CVSS 4.3) Origin Validation Error vulnerability in fedoraproject fedora. EPSS estimates a 0.73% chance of exploitation in the next 30 days, higher than 54.3% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 4.3, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
4.3/10
010
Medium · v3.1 (NVD)
EPSS score
0.73%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 9 · Related 8
MGASA-2022-0050OPENSUSE-SU-2021:1300-1OPENSUSE-SU-2021:1303-1OPENSUSE-SU-2021:1330-1OPENSUSE-SU-2022:0070-1OPENSUSE-SU-2022:0110-1

Timeline

  1. 08-10-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

0.73%

Chance of exploitation in the next 30 days

Percentile

54%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.73% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.

Alpine1 product
  • chromium< 93.0.4577.82-r0
Debian1 product
  • chromium< 93.0.4577.82-1
Fedoraproject1 product
Google1 product
  • chrome≥ unspecified, < 93.0.4577.82 | < 93.0.4577.82
Ubuntu1 product
  • chromium-browser< 94.0.4606.71-0ubuntu0.18.04.1

5 vendors · 5 products

References

8 links