No exploitation reportedFix available

CVE-2020-3756

No exploitation reported by the sources we read.

Published2020-02-13
WeaknessCWE-401

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

Adobe Acrobat and Reader versions 2019.021.20061 and earlier, 2017.011.30156 and earlier, 2017.011.30156 and earlier, and 2015.006.30508 and earlier have a stack exhaustion vulnerability. Successful exploitation could lead to memory leak .

Timeline

dates in UTC

2020-02-1316:15CVE publishedNVD

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-2020-3756?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-3756?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
15.6	≥ 15.006.30060, ≤ 15.006.30508	no fix published	NVD
19.21	≥ 15.008.20082, ≤ 19.021.20061	no fix published	NVD
17.11	≥ 17.011.30059, ≤ 17.011.30156	no fix published	NVD

Adobe acrobat reader dcversion to verify

Branch	Affected	Fixed in	Source
15.6	≥ 15.006.30060, ≤ 15.006.30508	no fix published	NVD
19.21	≥ 15.008.20082, ≤ 19.021.20061	no fix published	NVD
17.11	≥ 17.011.30059, ≤ 17.011.30156	no fix published	NVD

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.comPatch · Vendor Advisory

Detection

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

Sources

NVDCVSS 3.17.5read 2026-10-23
NVDCVSS 2.05read 2026-10-23
NVDweakness (CWE)CWE-401read 2026-10-23
FIRST EPSSEPSS score2.2 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published: 2020-02-13
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2020-3756?

Is CVE-2020-3756 actively exploited?

Active exploitation of CVE-2020-3756 has not been confirmed. Its EPSS score was 2.2% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-3756?

CVE-2020-3756 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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