CVE-2023-21608

highpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.594 · 99 %ileexploit · PoCDEEURUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV · 2 exploits · PoC

Likely / severe?

59.4% (99th) EPSS

CVSS 7.8 · high

Is it mine?

12 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

added 2023-10-10remediate by 2023-10-31

required action Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

EPSS · scored 2026-10-27

Adobe Acrobat and Reader Use-After-Free Vulnerability

Adobe Acrobat Reader versions 22.003.20282 (and earlier), 22.003.20281 (and earlier) and 20.005.30418 (and earlier) are affected by a Use After Free vulnerability 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

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.17.8highAV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · psirt@adobe.comexploitability 1.8 · impact 5.9

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: active · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-416USCWE-416US

ATT&CK techniques

ATT&CK techniques this enables or maps to.

exploits (2)

Public proof-of-concept and weaponised exploit code.

Malwareman007/CVE-2023-21608Adobe Acrobat Reader - CVE-2023-21608 - Remote Code Execution ExploitPoC · poc_in_github
hacksysteam/CVE-2023-21608Adobe Acrobat Reader - CVE-2023-21608 - Remote Code Execution ExploitPoC · poc_in_github

affected products (12)

Products and version ranges known to be affected.

Adobe Acrobat Reader≤ unspecified ≤22.003.20281enisa_euvdEU
Adobe Acrobat Reader≤ unspecified ≤20.005.30418enisa_euvdEU
Adobe Acrobat Reader≤ unspecified ≤Noneenisa_euvdEU
Adobe Acrobat Reader≤ unspecified ≤22.003.20282enisa_euvdEU
Adobe Systems Inc. Adobe InCopy≤ 18.1fstec_bduRU
Adobe Systems Inc. Adobe InCopy≤ 17.4.1fstec_bduRU
adobe acrobat20.001.30005 → 20.005.30418nvdUScpe:2.3:a:adobe:acrobat:*:*:*:*:*:*:*:*
adobe acrobat dc15.008.20082 → 22.003.20281nvdUScpe:2.3:a:adobe:acrobat_dc:*:*:*:*:*:*:*:*
adobe acrobat dc15.008.20082 → 22.003.20282nvdUScpe:2.3:a:adobe:acrobat_dc:*:*:*:*:*:*:*:*
adobe acrobat reader20.001.30005 → 20.005.30418nvdUScpe:2.3:a:adobe:acrobat_reader:*:*:*:*:*:*:*:*
adobe acrobat reader dc15.008.20082 → 22.003.20281nvdUScpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:*:*:*:*
adobe acrobat reader dc15.008.20082 → 22.003.20282nvdUScpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-0052Adobe Acrobat und Adobe Acrobat Reader: Mehrere SchwachstellenDeutsch2023-01-10csaf · cert_bundDE
Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in Adobe Acrobat und Adobe Acrobat Reader ausnutzen, um beliebigen Code auszuführen, Sicherheitsmaßnahmen zu umgehen, einen Denial-of-Service-Zustand auszulösen und seine Rechte zu erweitern.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd cert_bund NVD CVE.org MITRE

published 2023-01-18modified 2026-06-17

references (5)

External citations — patches, advisories, analysis.

https://cxsecurity.com/cveshow/CVE-2023-21608/cnnvd
https://helpx.adobe.com/security/products/acrobat/apsb23-01.html cnnvd
https://helpx.adobe.com/security/products/acrobat/apsb23-01.html enisa_euvd
https://helpx.adobe.com/security/products/acrobat/apsb23-01.htmlVendor Advisorynvd
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-21608Third Party AdvisoryUS Government Resourcenvd

scry

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