Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2021-21057— Acrobat Reader DC Invalid Memory Read Due To An Uninitialized Pointer

Quick assessment

Affected
Adobe Acrobat Reader
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Adobe Acrobat Reader是美国奥多比（Adobe）公司的一款PDF查看器。该软件用于打印，签名和注释 PDF。 Acrobat Reader DC 中存在代码问题漏洞，该漏洞源于解析PDF文件时会导致空指针应用，未经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拒绝服务。以下产品及型号会受到影响：2020.013.20074 和之前版本, 2020.001.30018和之前版本， 2017.011.30188和之前版本。

CVSS 6.6 · Medium EPSS 1.09% · P62

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2021-21057

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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 Invalid Memory Read Due To An Uninitialized Pointer
Source: CVE Program / CVE List V5
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 null pointer dereference vulnerability when parsing a specially crafted PDF file. An unauthenticated attacker could leverage this vulnerability to achieve denial of service in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
Source: CVE Program / CVE List V5
Vulnerability Title
Adobe Acrobat Reader 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Adobe Acrobat Reader是美国奥多比（Adobe）公司的一款PDF查看器。该软件用于打印，签名和注释 PDF。 Acrobat Reader DC 中存在代码问题漏洞，该漏洞源于解析PDF文件时会导致空指针应用，未经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拒绝服务。以下产品及型号会受到影响：2020.013.20074 和之前版本, 2020.001.30018和之前版本， 2017.011.30188和之前版本。
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 ~ 2020.013.20074 -

II. Public POCs for CVE-2021-21057

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2021-21057

请登录查看更多情报信息。

Vendor Advisories for CVE-2021-21057 (1)

Same Patch Batch · Adobe · 2021-02-11 · 48 CVEs total

CVE-2021-21017 8.8 HIGH Acrobat Reader DC Heap-based Buffer Overflow Vulnerability Could Lead To Arbitrary Code Ex
CVE-2021-21045 8.2 HIGH Acrobat Reader DC Improper Installer Access Control Vulnerability Could Lead To Privilege
CVE-2021-21040 7.8 HIGH Acrobat Reader DC Use-After-Free Vulnerability Could Lead To Arbitrary Code Execution
CVE-2021-21038 7.8 HIGH Acrobat Reader DC Out-Of-Bounds Write Vulnerability Could Lead To Arbitrary Code Execution
CVE-2021-21037 7.8 HIGH Acrobat Reader DC Path Traversal Vulnerability Could Lead To Arbitrary Code Execution
CVE-2021-21036 7.8 HIGH Acrobat Reader DC Integer Overflow Vulnerability Could Lead To Arbitrary Code Execution
CVE-2021-21039 7.8 HIGH Acrobat Reader DC Use-After-Free Vulnerability Could Lead To Arbitrary Code Execution
CVE-2021-21041 7.8 HIGH Acrobat Reader DC Use-After-Free Vulnerability Could Lead To Arbitrary Code Execution
CVE-2021-21055 6.2 MEDIUM Adobe Dreamweaver Untrusted Search Path Vulnerability Could Lead To Information Disclosure
CVE-2021-21029 4.8 MEDIUM Magento Commerce Reflected Cross-site Scripting Vulnerability Could Lead To Arbitrary Java
CVE-2021-21060 4.6 MEDIUM Acrobat Pro DC Improper File Parsing Could Lead to Information Disclosure
CVE-2021-21062 Acrobat Reader DC Buffer Overflow Vulnerability Could Lead To Arbitrary Code Execution
CVE-2021-21034 Acrobat Reader DC Out-Of-Bounds Read Information Disclosure Vulnerability
CVE-2021-21058 Acrobat Reader DC Memory Corruption Vulnerability Could Lead to Arbitrary Code Execution
CVE-2021-21046 Acrobat Reader DC Buffer Overflow Vulnerability Could Lead To Arbitrary Code Execution
CVE-2021-21054 Adobe Illustrator Out-Of-Bounds Write Vulnerability Could Lead To Remote Code Execution Vu
CVE-2021-21049 Adobe Photoshop Out-Of-Bounds Read Vulnerability Could Lead To Remote Code Execution Vulne
CVE-2021-21052 Adobe Animate Out-of-Bounds Write Vulnerability Could Lead To Arbitrary Code Execution
CVE-2021-21048 Adobe Photoshop Buffer Overflow Vulnerability Could Lead To Remote Code Execution Vulnerab
CVE-2021-21053 Adobe Illustrator Out-Of-Bounds Write Vulnerability Could Lead To Remote Code Execution

Showing top 20 of 48 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Acrobat Reader
Same vendor: Adobe
Same weakness: CWE-476

V. Comments for CVE-2021-21057

No comments yet

Leave a comment