What is the CVSS score of CVE-2021-28596?

CVE-2021-28596 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 2.3%.

Framemaker CVE-2021-28596

HIGH

Out-of-bounds Write (CWE-787)

2021-08-23 psirt@adobe.com

Buffer Overflow RCE Memory Corruption Adobe Framemaker

7.8

CVSS 3.1 · Vendor: adobe

Severity by source

Vendor (adobe) PRIMARY

7.8 HIGH

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

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

CVSS VectorVendor: adobe

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Aug 23, 2021 - 23:15 cve.org

HIGH 7.8

DescriptionCVE.org

Adobe Framemaker version 2020.0.1 (and earlier) and 2019.0.8 (and earlier) are affected by an Out-of-bounds Write vulnerability when parsing a specially crafted file. 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.

AnalysisAI

Adobe Framemaker version 2020.0.1 (and earlier) and 2019.0.8 (and earlier) are affected by an Out-of-bounds Write vulnerability when parsing a specially crafted file. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. Adobe Framemaker version 2020.0.1 (and earlier) and 2019.0.8 (and earlier) are affected by an Out-of-bounds Write vulnerability when parsing a specially crafted file. 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. Affected products include: Adobe Framemaker. Version information: version 2020.0.1.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).