What is the CVSS score of CVE-2021-38099?

CVE-2021-38099 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%.

Photopaint 2020 CVE-2021-38099

HIGH

Out-of-bounds Write (CWE-787)

2021-10-01 cve@mitre.org

Buffer Overflow RCE Memory Corruption Photopaint 2020

7.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.8 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Oct 01, 2021 - 19:15 nvd

HIGH 7.8

DescriptionNVD

CDRRip.dll in Corel PhotoPaint Standard 2020 22.0.0.474 is affected by an Out-of-bounds Write vulnerability when parsing a 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 CPT file. This is different from CVE-2021-38101.

AnalysisAI

CDRRip.dll in Corel PhotoPaint Standard 2020 22.0.0.474 is affected by an Out-of-bounds Write vulnerability when parsing a 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. CDRRip.dll in Corel PhotoPaint Standard 2020 22.0.0.474 is affected by an Out-of-bounds Write vulnerability when parsing a 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 CPT file. This is different from CVE-2021-38101. Affected products include: Corel Photopaint 2020.

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).