7.8

CVE-2021-45064: adobe acrobat Use After Free

CVSS: 7.8v3.0HighModified
Published 14-01-2022Last modified 16-09-2024
Open JSON

Vulnerability summary

CVE-2021-45064 is a high (CVSS 7.8) Use After Free vulnerability in adobe acrobat. EPSS estimates a 11.55% chance of exploitation in the next 30 days, higher than 95.9% of scored vulnerabilities.

Overall risk
34/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.0 (CVE.org)
EPSS score
11.55%
0%100%
Medium · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 14-01-2022
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

Acrobat Reader DC version 21.007.20099 (and earlier), 20.004.30017 (and earlier) and 17.011.30204 (and earlier) are affected by a use-after-free vulnerability in the processing of Format event actions that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

CVSS metrics

4 scores · 2 sources · 3 versions

EPSS trend

Probability

11.55%

Chance of exploitation in the next 30 days

Percentile

96%

Versus all other CVEs

30-day change

0.00 pp

From 11.55% on 19-09-2026

19-09-202619-10-2026
EPSS score
11.55%

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

Adobe4 products
  • acrobat≥ 17.011.30059, ≤ 17.011.30204 | ≥ 20.001.30005, ≤ 20.004.30017
  • acrobat_dc≥ 15.008.20082, ≤ 21.007.20099
  • acrobat_reader≥ unspecified, ≤ 21.007.20099 | ≥ unspecified, ≤ 20.004.30017 | ≥ unspecified, ≤ 17.011.30204 | ≥ unspecified, ≤ None | ≥ 17.011.30059, ≤ 17.011.30204 | ≥ 20.001.30005, ≤ 20.004.30017
  • acrobat_reader_dc≥ 15.008.20082, ≤ 21.007.20099

1 vendor · 4 products

References

1 links