What is the CVSS score of CVE-2021-39835?

CVE-2021-39835 has a CVSS 3.0 base score of 4.3 (Medium). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N. EPSS exploitation probability: 1.5%.

Is there a patch available for CVE-2021-39835?

Yes, a patch is available for CVE-2021-39835. Update the affected software to the latest version immediately.

Framemaker CVE-2021-39835

MEDIUM

Use After Free (CWE-416)

2021-09-29 psirt@adobe.com

Use After Free Memory Corruption Information Disclosure Adobe Framemaker

4.3

CVSS 3.0 · Vendor: adobe

Severity by source

Vendor (adobe) PRIMARY

4.3 MEDIUM

AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Primary rating from Vendor (adobe) · only source for this CVE.

CVSS VectorVendor: adobe

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

Sep 29, 2021 - 16:15 cve.org

MEDIUM 4.3

DescriptionCVE.org

Adobe Framemaker versions 2019 Update 8 (and earlier) and 2020 Release Update 2 (and earlier) are affected by a use-after-free vulnerability in the processing of a malformed PDF file that could result in disclosure of sensitive memory. Exploitation of this issue requires user interaction in that a victim must open a malicious PDF file.

AnalysisAI

Adobe Framemaker versions 2019 Update 8 (and earlier) and 2020 Release Update 2 (and earlier) are affected by a use-after-free vulnerability in the processing of a malformed PDF file that could. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.

Technical ContextAI

This vulnerability is classified as Use After Free (CWE-416), which allows attackers to access freed memory to execute arbitrary code or crash the application. Adobe Framemaker versions 2019 Update 8 (and earlier) and 2020 Release Update 2 (and earlier) are affected by a use-after-free vulnerability in the processing of a malformed PDF file that could result in disclosure of sensitive memory. Exploitation of this issue requires user interaction in that a victim must open a malicious PDF file. Affected products include: Adobe Framemaker.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Use smart pointers or garbage-collected languages. Set pointers to NULL after freeing. Enable memory sanitizers.