7.8

CVE-2021-39820: adobe indesign Out-of-bounds Write

CVSS: 7.8v3.1HighModified
Published 15-06-2022Last modified 23-04-2025
Open JSON

Vulnerability summary

CVE-2021-39820 is a high (CVSS 7.8) Out-of-bounds Write vulnerability in adobe indesign. EPSS estimates a 3.45% chance of exploitation in the next 30 days, higher than 88.8% of scored vulnerabilities.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
3.45%
0%100%
Low · -0.22 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 15-06-2022
    PublishedVulnerability first disclosed.
  2. 23-04-2025
    Last modifiedVulnerability information updated.

Description

Adobe InDesign versions 16.3 (and earlier), and 16.3.1 (and earlier) is affected by an Out-of-bounds Write vulnerability due to insecure handling of a malicious TIFF file, potentially resulting in arbitrary code execution in the context of the current user. User interaction is required to exploit this vulnerability.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

3.45%

Chance of exploitation in the next 30 days

Percentile

89%

Versus all other CVEs

30-day change

-0.22 pp

From 3.67% on 19-09-2026

19-09-202619-10-2026
EPSS score
3.45%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Adobe1 product

1 vendor · 1 product

References

1 links