9.6

CVE-2020-6492: google chrome Use After Free

CVSS: 9.6v3.1CriticalModified
AliasesUBUNTU-CVE-2020-6492DEBIAN-CVE-2020-6492
Published 02-11-2021Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-6492 is a critical (CVSS 9.6) Use After Free vulnerability in google chrome. EPSS estimates a 0.72% chance of exploitation in the next 30 days, higher than 53.1% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.6/10
010
Critical · v3.1 (NVD)
EPSS score
0.72%
0%100%
Low · 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-4714-1

Timeline

  1. 02-11-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

Use after free in ANGLE in Google Chrome prior to 83.0.4103.97 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.72%

Chance of exploitation in the next 30 days

Percentile

53%

Versus all other CVEs

30-day change

0.00 pp

From 0.72% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.72%

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

Affected systems

Debian1 product
  • chromium< 83.0.4103.106-1
Google1 product
  • chrome≥ unspecified, < 83.0.4103.97 | < 83.0.4103.97
Ubuntu1 product
  • chromium-browser< 84.0.4147.105-0ubuntu0.16.04.1 | < 84.0.4147.105-0ubuntu0.18.04.1

3 vendors · 3 products

References

5 links