CVE-2020-3754

Current-user code execution via buffer error

Published Feb 13, 2020 · Updated Aug 4, 2024

Buffer error in affected Adobe Acrobat and Reader releases allows attackers to execute arbitrary code via unspecified vectors. Adobe identifies the defect only as a buffer error and has not disclosed the affected parser, file format, or incorrect memory operation. Affected versions are 2019.021.20061 and earlier, 2017.011.30156 and earlier, and 2015.006.30508 and earlier; code runs in the current user's security context.

CVSS severity9.8
Critical
EPSS probability4.85%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Buffer error in affected Adobe Acrobat and Reader releases allows attackers to execute arbitrary code via unspecified vectors. Adobe identifies the defect only as a buffer error and has not disclosed the affected parser, file format, or incorrect memory operation. Affected versions are 2019.021.20061 and earlier, 2017.011.30156 and earlier, and 2015.006.30508 and earlier; code runs in the current user's security context.

The record

CVE
CVE-2020-3754
Published
Feb 13, 2020
Updated
Aug 4, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-119, T1203
Attack vector
Unavailable
Privileges
Unavailable

Timeline

How it unfolded

  1. Feb 13, 2020CVE publishedPublication date reported by the CVE source.
  2. Aug 4, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectorUnavailable in this record.
Required privilegesUnavailable in this record.

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

9.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
10.0NIST NVDAV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
VectorUnavailable
PrivilegesUnavailable
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
T1203Exploitation for Client Execution

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo