No exploitation reported

CVE-2020-24437

No exploitation reported by the sources we read.

Published2020-11-05
WeaknessCWE-416

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Acrobat Reader DC versions 2020.012.20048 (and earlier), 2020.001.30005 (and earlier) and 2017.011.30175 (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.

Timeline

dates in UTC

2020-11-0520:15CVE publishedNVD
2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2020-24437?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-24437?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Adobe acrobat dcversion to verify

Branch	Affected	Fixed in	Source
17.11	≤ 17.011.30175	no fix published	NVD
20.12	≤ 20.012.20048	no fix published	NVD

Adobe acrobat reader dcversion to verify

Branch	Affected	Fixed in	Source
17.11	≤ 17.011.30175	no fix published	NVD
20.12	≤ 20.012.20048	no fix published	NVD

Adobe acrobatversion to verify

Branch	Affected	Fixed in	Source
20.1	≤ 20.001.30005	no fix published	NVD

1 more product in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

helpx.adobe.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CNACVSS 3.17.8read 2026-10-23
NVDCVSS 3.17.8read 2026-10-23
NVDCVSS 2.06.8read 2026-10-23
CNAweakness (CWE)CWE-416read 2026-10-23
FIRST EPSSEPSS score46.5 %read 2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published: 2020-11-05
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2020-24437?

Is CVE-2020-24437 actively exploited?

Active exploitation of CVE-2020-24437 has not been confirmed. Its EPSS score was 46.5% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-24437?

CVE-2020-24437 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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