CVEs / CVE-2023-21608
CVE-2023-21608: Adobe Acrobat and Reader Use-After-Free Vulnerability
- Known exploited in the CISA KEV catalog since 10 Oct 2023
- high 7.8 CVSS 3.1 (from the CNA)
- EPSS 59.4% chance of exploitation in the next 30 days, higher than 99% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
Adobe Acrobat and Reader contains a use-after-free vulnerability that allows for code execution in the context of the current user.
Description
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.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| Adobe Acrobat Reader | from unspecified, up to and including 20.005.30418 | — |
| Adobe Acrobat Reader | from unspecified, up to and including 22.003.20282 | — |
| Adobe Acrobat Reader | from unspecified, up to and including 22.003.20281 | — |
| Adobe Acrobat Reader | from unspecified, up to and including None | — |
Exploitation
| In CISA KEV since | 10 Oct 2023 |
|---|---|
| Due date for US federal agencies | 31 Oct 2023 |
| Used in ransomware campaigns | Unknown |
| Required action | Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. |
Severity
| CVSS 3.1 | 7.8 highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HScored by the CNA ([email protected]) |
|---|---|
| Weakness | CWE-416 |
References
- CVE-2023-21608 on NVD
- CVE-2023-21608 in the CISA KEV catalog
- https://helpx.adobe.com/security/products/acrobat/apsb23-01.html (cited by CISA)
- https://helpx.adobe.com/security/products/acrobat/apsb23-01.html Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-21608 Third Party Advisory, US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.