5.4

CVE-2021-21200: google chrome Out-of-bounds Read

CVSS: 5.4v3.1MediumModified
AliasesUBUNTU-CVE-2021-21200DEBIAN-CVE-2021-21200
Published 02-01-2023Last modified 23-10-2024
Open JSON

Vulnerability summary

CVE-2021-21200 is a medium (CVSS 5.4) Out-of-bounds Read vulnerability in google chrome. EPSS estimates a 0.45% chance of exploitation in the next 30 days, higher than 37.6% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.4/10
010
Medium · v3.1 (NVD)
EPSS score
0.45%
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-4886-1

Timeline

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

Description

Out of bounds read in WebUI Settings in Google Chrome prior to 89.0.4389.72 allowed a remote attacker to perform an out of bounds memory read via a crafted HTML page. (Chrome security severity: Low)

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.45%

Chance of exploitation in the next 30 days

Percentile

38%

Versus all other CVEs

30-day change

0.00 pp

From 0.44% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.45%

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< 89.0.4389.82-1
Google1 product
  • chrome≥ unspecified, < 89.0.4389.72 | < 89.0.4389.72
Ubuntu1 product
  • chromium-browser< 89.0.4389.82-0ubuntu0.18.04.1

3 vendors · 3 products

References

5 links