What is the CVSS score of CVE-2018-4917?

CVE-2018-4917 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 17.8%.

Acrobat 2017 CVE-2018-4917

CRITICAL

Out-of-bounds Write (CWE-787)

2018-05-19 psirt@adobe.com

Memory Corruption Adobe RCE Buffer Overflow Acrobat 2017 Acrobat Dc Acrobat Reader 2017 Acrobat Reader Dc

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

May 19, 2018 - 17:29 nvd

CRITICAL 9.8

DescriptionNVD

Adobe Acrobat and Reader versions 2018.009.20050 and earlier, 2017.011.30070 and earlier, 2015.006.30394 and earlier have an exploitable heap overflow vulnerability. Successful exploitation could lead to arbitrary code execution in the context of the current user.

AnalysisAI

Adobe Acrobat and Reader versions 2018.009.20050 and earlier, 2017.011.30070 and earlier, 2015.006.30394 and earlier have an exploitable heap overflow vulnerability. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, 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 Acrobat and Reader versions 2018.009.20050 and earlier, 2017.011.30070 and earlier, 2015.006.30394 and earlier have an exploitable heap overflow vulnerability. Successful exploitation could lead to arbitrary code execution in the context of the current user. Affected products include: Adobe Acrobat 2017, Adobe Acrobat Dc, Adobe Acrobat Reader 2017, Adobe Acrobat Reader Dc.

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).