What is the CVSS score of CVE-2020-7816?

CVE-2020-7816 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: 1.4%.

Daoffice CVE-2020-7816

HIGH

Out-of-bounds Read (CWE-125)

2020-06-30 vuln@krcert.or.kr

Buffer Overflow RCE Information Disclosure Daoffice Dava Daview Indy

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

Jun 30, 2020 - 14:15 nvd

HIGH 7.8

DescriptionNVD

A vulnerability in the JPEG image parsing module in DaView Indy, DaVa+, DaOffice softwares could allow an unauthenticated, remote attacker to cause an arbitrary code execution on an affected device.nThe vulnerability is due to a stack overflow read. An attacker could exploit this vulnerability by sending a crafted PDF file to an affected device.

AnalysisAI

A vulnerability in the JPEG image parsing module in DaView Indy, DaVa+, DaOffice softwares could allow an unauthenticated, remote attacker to cause an arbitrary code execution on an affected. 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 Read (CWE-125), which allows attackers to read data from memory outside the intended buffer boundaries. A vulnerability in the JPEG image parsing module in DaView Indy, DaVa+, DaOffice softwares could allow an unauthenticated, remote attacker to cause an arbitrary code execution on an affected device.nThe vulnerability is due to a stack overflow read. An attacker could exploit this vulnerability by sending a crafted PDF file to an affected device. Affected products include: Hmtalk Daoffice, Hmtalk Dava\+, Hmtalk Daview Indy.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate array indices and buffer lengths. Use memory-safe languages. Enable AddressSanitizer during testing.