Acrobat Reader DC for macOS Signature Verification Bypass Could Lead to Privilege Escalation
Priority MEDIUM 40CWE-347Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-347.
Summary
Acrobat Reader DC versions 2020.012.20048 (and earlier), 2020.001.30005 (and earlier) and 2017.011.30175 (and earlier) for macOS are affected by a signature verification bypass that could result in local privilege escalation. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Why it matters now
EPSS 0.03046 87th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Adobe | Acrobat Reader | up to 2017.011.30175; up to 2020.012.20048; up to 2020.001.30005; up to None | — | No fix listed | CNA |
- Acrobat Reader VendorAdobe Affected up to 2017.011.30175; up to 2020.012.20048; up to 2020.001.30005; up to None Fixed in — No fix listed CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:* | up to 20.001.30005 | Vulnerable | Adobe |
| cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:classic:*:*:* | up to 17.011.30175 | Vulnerable | Adobe |
| cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:* | up to 20.012.20048 | Vulnerable | Adobe |
| cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:* | up to 20.001.30005 | Vulnerable | Adobe |
| cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:classic:*:*:* | up to 17.011.30175 | Vulnerable | Adobe |
| cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:* | up to 20.012.20048 | Vulnerable | Adobe |
| cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Apple |
| cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
- cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:* Versions up to 20.001.30005 Vulnerable ·Adobe
- cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:classic:*:*:* Versions up to 17.011.30175 Vulnerable ·Adobe
- cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:* Versions up to 20.012.20048 Vulnerable ·Adobe
- cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:* Versions up to 20.001.30005 Vulnerable ·Adobe
- cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:classic:*:*:* Versions up to 17.011.30175 Vulnerable ·Adobe
- cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:* Versions up to 20.012.20048 Vulnerable ·Adobe
- cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Apple
- cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-24429
- 2026-10-03 Alias added: GHSA-9qr4-rpfh-f5gv
References
More Adobe Acrobat vulnerabilities
- TI-2014-00524 Adobe Reader and Acrobat 10.x before 10.1.11 and 11.x before 11.0.08 on Windows allow… KEVCVSS 3.1CRITICAL 9.8
- TI-2013-02915 Adobe Reader and Acrobat 9.x before 9.5.5, 10.x before 10.1.7, and 11.x before 11.0.03… KEVCVSS 3.1CRITICAL 9.8
- TI-2013-02389 Integer overflow in Adobe Reader and Acrobat 9.x before 9.5.5, 10.x before 10.1.7, and… KEVCVSS 3.1CRITICAL 9.8
- TI-2011-02156 Unspecified vulnerability in the U3D component in Adobe Reader and Acrobat 10.1.1 and… KEVCVSS 3.1CRITICAL 9.8
- TI-2021-09626 Adobe Acrobat Reader use after free vulnerability could lead to arbitrary code execution KEVCVSS 3.1HIGH 8.8
- TI-2021-04123 Acrobat Reader DC Heap-based Buffer Overflow Vulnerability Could Lead To Arbitrary Code Execution KEVCVSS 3.1HIGH 8.8
Sources
- CVE-2020-24429 · CVE Program
- CVE-2020-24429 · NVD
- FIRST EPSS
- GHSA-9qr4-rpfh-f5gv · GitHub Advisory Database · CC BY 4.0
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