CVE-2020-24439— Acrobat Reader DC for macOS Signature Validation Bypass
Get alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2020-24439
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗ Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
Acrobat Reader DC for macOS Signature Validation Bypass
Source: NVD (National Vulnerability Database)
Vulnerability Description
Acrobat Reader DC for macOS versions 2020.012.20048 (and earlier), 2020.001.30005 (and earlier) and 2017.011.30175 (and earlier) are affected by a security feature bypass. While the practical security impact is minimal, a defense-in-depth fix has been implemented to further harden the Adobe Reader update process.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
密码学签名的验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Adobe Reader 数据伪造问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Adobe Reader是美国奥多比（Adobe）公司的一款PDF文档阅读移动应用程序。 Adobe Acrobat Reader 中存在数据伪造问题漏洞，攻击者可通过绕过签名验证发起攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Adobe | Acrobat Reader | unspecified ~ 2017.011.30175 | - |
II. Public POCs for CVE-2020-24439
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2020-24439
请登录查看更多情报信息。
- https://helpx.adobe.com/security/products/acrobat/apsb20-67.htmlx_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2020-24439
Same Patch Batch · Adobe · 2020-11-05 · 14 CVEs total
| CVE-2020-24437 | 7.8 HIGH | Acrobat Reader DC Use-After-Free Vulnerability Could Lead to Arbitrary Code Execution |
| CVE-2020-24430 | 7.8 HIGH | Acrobat Pro DC Use-After-Free vulnerability Could Lead to Arbitrary Code Execution |
| CVE-2020-24435 | 7.8 HIGH | Acrobat Reader DC Heap-based Buffer Overflow Could Lead to Arbitrary Code Execution |
| CVE-2020-24433 | 7.8 HIGH | Adobe Acrobat Reader DC Local Privilege Escalation via Installer Component |
| CVE-2020-24436 | 7.8 HIGH | Acrobat Pro DC PDF Export Out-Of-Bounds Write Vulnerability Could Lead to Arbitrary Code E |
| CVE-2020-24428 | 7.7 HIGH | Acrobat Reader DC for macOS Race Condition Vulnerability Could Lead to Privilege Escalatio |
| CVE-2020-24429 | 7.7 HIGH | Acrobat Reader DC for macOS Signature Verification Bypass Could Lead to Privilege Escalati |
| CVE-2020-24432 | 6.7 MEDIUM | Acrobat Reader DC Arbitrary JavaScript Execution in PDF Documents |
| CVE-2020-24431 | 4.4 MEDIUM | Acrobat Reader DC for macOS Dynamic Library Injection Vulnerability |
| CVE-2020-24426 | 3.3 LOW | Acrobat Reader DC Out-Of-Bounds Read Information Disclosure Vulnerability |
| CVE-2020-24427 | 3.3 LOW | Acrobat Reader DC Codec Input Validation Vulnerability Could Lead to Information Disclosur |
| CVE-2020-24434 | 3.3 LOW | Acrobat Pro DC Out-Of-Bounds Read Vulnerability Could Lead to Information Disclosure |
| CVE-2020-24438 | 3.3 LOW | Acrobat Reader DC Use-After-Free Vulnerability Could Lead to Information Disclosure |
IV. Related Vulnerabilities
Same product: Acrobat Reader
- CVE-2026-34622
Acrobat Reader | Improperly Controlled Modification of Objec - CVE-2026-34626
Acrobat Reader | Improperly Controlled Modification of Objec - CVE-2026-34621
Acrobat Reader | Improperly Controlled Modification of Objec - CVE-2026-27221
Acrobat Reader | Improper Certificate Validation (CWE-295) - CVE-2026-27278
Acrobat Reader | Use After Free (CWE-416)
Same vendor: Adobe
- CVE-2026-34632
Photoshop Installer | CWE-427: Uncontrolled Search Path Elem - CVE-2026-27297
Adobe Framemaker | Integer Underflow (Wrap or Wraparound) (C - CVE-2026-27300
Adobe Framemaker | Access of Uninitialized Pointer (CWE-824) - CVE-2026-27296
Adobe Framemaker | Integer Underflow (Wrap or Wraparound) (C - CVE-2026-27290
Adobe Framemaker | Untrusted Search Path (CWE-426)
Same weakness: CWE-347
- CVE-2026-42193
Plunk: SNS webhook forgery - CVE-2026-44497
ZEBRA: Consensus Divergence in Transparent Sighash Hash-Type - CVE-2026-41669
Admidio: SAML Signature Validation Result Ignored — Forged A - CVE-2026-7689
Dolibarr ERP CRM Online Signature security.lib.php dol_verif - CVE-2026-33467
Improper Verification of Cryptographic Signature in Elastic
V. Comments for CVE-2020-24439
No comments yet