8.8

CVE-2021-30561: google chrome Type Confusion

CVSS: 8.8v3.1HighModified
AliasesUBUNTU-CVE-2021-30561DEBIAN-CVE-2021-30561
Published 03-08-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-30561 is a high (CVSS 8.8) Type Confusion vulnerability in google chrome. EPSS estimates a 4.78% chance of exploitation in the next 30 days, higher than 91.8% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
46/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (NVD)
EPSS score
4.78%
0%100%
Low · +0.04 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 7 · Related 7
OPENSUSE-SU-2021:1073-1OPENSUSE-SU-2021:1074-1OPENSUSE-SU-2021:1095-1OPENSUSE-SU-2021:1096-1OPENSUSE-SU-2022:0110-1OPENSUSE-SU-2024:10681-1

Timeline

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

Description

Type Confusion in V8 in Google Chrome prior to 91.0.4472.164 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

4.78%

Chance of exploitation in the next 30 days

Percentile

92%

Versus all other CVEs

30-day change

+0.04 pp

From 4.74% on 18-09-2026

18-09-202618-10-2026
EPSS score
4.78%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (packetstormsecurity.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • chromium< 93.0.4577.82-1
Google1 product
  • chrome≥ unspecified, < 91.0.4472.164 | < 91.0.4472.164
Ubuntu1 product
  • chromium-browser< 92.0.4515.159-0ubuntu0.18.04.1

3 vendors · 3 products

References

6 links