8.8

CVE-2021-30558: google chrome

CVSS: 8.8v3.1HighModified
AliasesUBUNTU-CVE-2021-30558DEBIAN-CVE-2021-30558
Published 02-01-2023Last modified 23-10-2024
Open JSON

Vulnerability summary

CVE-2021-30558 is a high (CVSS 8.8) vulnerability in google chrome. EPSS estimates a 11.49% chance of exploitation in the next 30 days, higher than 95.9% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
47/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
11.49%
0%100%
Medium · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 1
DSA-5046-1

Timeline

  1. 02-01-2023
    PublishedVulnerability first disclosed.
  2. 23-10-2024
    Last modifiedVulnerability information updated.

Description

Insufficient policy enforcement in content security policy in Google Chrome prior to 91.0.4472.77 allowed a remote attacker to bypass content security policy via a crafted HTML page. (Chrome security severity: Medium)

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

11.49%

Chance of exploitation in the next 30 days

Percentile

96%

Versus all other CVEs

30-day change

0.00 pp

From 11.49% on 20-09-2026

20-09-202620-10-2026
EPSS score
11.49%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (crbug.com)

    Maturity: unknown

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Debian1 product
  • chromium< 93.0.4577.82-1
Google1 product
  • chrome≥ unspecified, < 91.0.4472.77 | < 91.0.4472.77
Ubuntu1 product
  • chromium-browser< 91.0.4472.77-0ubuntu0.18.04.1

3 vendors · 3 products

References

5 links