CVE-2021-28561— Adobe Acrobat Reader memory corruption vulnerability could lead to remote code execution
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I. Basic Information for CVE-2021-28561
Vulnerability Information
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Vulnerability Title
Adobe Acrobat Reader memory corruption vulnerability could lead to remote code execution
Source: NVD (National Vulnerability Database)
Vulnerability Description
Acrobat Reader DC versions versions 2021.001.20150 (and earlier), 2020.001.30020 (and earlier) and 2017.011.30194 (and earlier) are affected by a memory corruption vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨界内存写
Source: NVD (National Vulnerability Database)
Vulnerability Title
Adobe Acrobat 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Adobe Acrobat是美国奥多比（Adobe）公司的一套PDF文件编辑和转换工具。 Adobe Acrobat 存在缓冲区错误漏洞。该漏洞源于程序在处理PDF文件时出现边界错误而存在的。攻击者可以利用该漏洞在目标系统上执行任意代码。以下产品及版本受到影响：Adobe Acrobat DC：2015.006.30306、2015.006.30355、2015.006.30392、2015.006.30394、2015.006.30413、2015.006.30417、2015.006.30418、20
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 ~ 2020.001.30020 | - |
II. Public POCs for CVE-2021-28561
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://helpx.adobe.com/security/products/acrobat/apsb21-29.htmlx_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-28561
Same Patch Batch · Adobe · 2021-09-02 · 18 CVEs total
| CVE-2021-28560 | 8.8 HIGH | Adobe Acrobat Reader heap corruption vulnerability could lead to arbitrary code execution |
| CVE-2021-28564 | 8.8 HIGH | Adobe Acrobat Reader out-of-bounds write vulnerability could lead to arbitrary code execut |
| CVE-2021-35996 | 7.8 HIGH | Adobe After Effects Memory Corruption Could Lead To Arbitrary Code Execution |
| CVE-2021-21086 | 7.8 HIGH | Adobe Reader CoolType Arbitrary Stack Manipulation |
| CVE-2021-35993 | 7.8 HIGH | Adobe After Effects PDF File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerabili |
| CVE-2021-35994 | 7.8 HIGH | Adobe After Effects JPEG2000 Parsing Out-Of-Bounds Write Remote Code Execution Vulnerabili |
| CVE-2021-36017 | 7.8 HIGH | Adobe After Effects PDF File Parsing Memory Corruption Remote Code Execution Vulnerability |
| CVE-2021-28559 | 5.3 MEDIUM | Adobe Acrobat Reader privacy violation vulnerability could lead to privilege escalation |
| CVE-2021-28565 | 4.3 MEDIUM | Adobe Acrobat Reader out-of-bounds read could lead to information exposure |
| CVE-2021-28557 | 4.3 MEDIUM | Adobe Acrobat Reader out-of-bounds read in PDFLibTool could lead to information exposure |
| CVE-2021-36019 | 3.3 LOW | Adobe After Effects PDF File Parsing Out-Of-Bounds Read Information Disclosure Vulnerabili |
| CVE-2021-36018 | 3.3 LOW | Adobe After Effects PDF File Parsing Out-Of-Bounds Read Information Disclosure Vulnerabili |
| CVE-2021-35995 | 3.3 LOW | Adobe After Effects MP4 File Parsing Uninitialized Variable Information Disclosure Vulnera |
| CVE-2021-28553 | Adobe Acrobat Reader use-after-free vulnerability could lead to arbitrary code execution | |
| CVE-2021-28550 | Adobe Acrobat Reader use after free vulnerability could lead to arbitrary code execution | |
| CVE-2021-28555 | Adobe Acrobat Reader out-of-bounds Read could lead to information disclosure | |
| CVE-2021-28558 | Adobe Acrobat Reader heap-based buffer overflow could lead to arbitrary code execution |
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)
V. Comments for CVE-2021-28561
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