What is the CVSS score of CVE-2021-39823?

CVE-2021-39823 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: 4.1%.

Is there a patch available for CVE-2021-39823?

Yes, a patch is available for CVE-2021-39823. Update the affected software to the latest version immediately.

Svg Native Viewer CVE-2021-39823

HIGH

Heap-based Buffer Overflow (CWE-122)

2021-09-27 psirt@adobe.com

Buffer Overflow RCE Heap Overflow Adobe Svg Native Viewer

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

Sep 27, 2021 - 16:15 nvd

HIGH 7.8

DescriptionNVD

Adobe svg-native-viewer 8182d14dfad5d1e10f53ed830328d7d9a3cfa96d and earlier versions are affected by a heap buffer overflow vulnerability due to insecure handling of a malicious .svg file, potentially resulting in arbitrary code execution in the context of the current user. User interaction is required to exploit this vulnerability.

AnalysisAI

Adobe svg-native-viewer 8182d14dfad5d1e10f53ed830328d7d9a3cfa96d and earlier versions are affected by a heap buffer overflow vulnerability due to insecure handling of a malicious .svg file,. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity.

Technical ContextAI

This vulnerability is classified under CWE-122. Adobe svg-native-viewer 8182d14dfad5d1e10f53ed830328d7d9a3cfa96d and earlier versions are affected by a heap buffer overflow vulnerability due to insecure handling of a malicious .svg file, potentially resulting in arbitrary code execution in the context of the current user. User interaction is required to exploit this vulnerability. Affected products include: Adobe Svg-Native-Viewer.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.