CVE-2021-21088— Adobe Acrobat Pro DC Use-After-Free Remote Code Execution Vulnerability
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I. Basic Information for CVE-2021-21088
Vulnerability Information
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Vulnerability Title
Adobe Acrobat Pro DC Use-After-Free Remote Code Execution Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by a Use After Free 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:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
释放后使用
Source: NVD (National Vulnerability Database)
Vulnerability Title
Adobe Acrobat Reader DC 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Adobe Acrobat Reader DC是美国奥多比（Adobe）公司的一个 Pdf 阅读工具。用于可靠查看、打印和注释 Pdf 文档。 Adobe Acrobat Reader DC存在资源管理错误漏洞，该漏洞源于容易受到释放后重用漏洞的影响，未经身份验证的攻击者可以利用此漏洞在当前用户的上下文中实现任意代码执行。
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 | 0 ~ 2017.011.30188 | - |
II. Public POCs for CVE-2021-21088
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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Same Patch Batch · Adobe · 2023-09-06 · 8 CVEs total
| CVE-2021-36023 | 9.1 CRITICAL | Magento Commerce Widgets Update Layout XML Injection Vulnerability Could Lead To Remote Co |
| CVE-2021-35980 | 7.8 HIGH | Adobe Acrobat Reader SpellDictionaryExport Path Traversal Remote Code Execution Vulnerabil |
| CVE-2021-28644 | 7.8 HIGH | Adobe Acrobat SpellDictionaryCreate Path Traversal Remote Code Execution Vulnerability |
| CVE-2021-36036 | 7.2 HIGH | Magento Commerce Media Gallery Upload Improper Access Control Could Lead To Remote Code Ex |
| CVE-2021-36021 | 7.2 HIGH | Magento Commerce CMS Page Improper Input Validation Could Lead To Remote Code Execution |
| CVE-2021-39859 | 5.5 MEDIUM | Use After Free Adobe Acrobat Pro DC [HB-21-0339] |
| CVE-2021-36060 | 5.5 MEDIUM | Adobe Media Encoder MPEG File Parsing Out-Of-Bounds Read Information Disclosure Vulnerabil |
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-2021-21088
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