Microsoft SharePoint Server Code Injection Vulnerability

Critical Threat Advisory: This vulnerability is documented in active Ransomware campaigns. Immediate remediation required.

Technical Severity

CVSS v3.1 Metrics

HIGH

7.2 / 10

Minimal Risk Critical

Vector Specification

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

Exploitation Likelihood

EPSS Prediction

91.76 %

Predictive Probability

Percentile Rank

99.7 th

Documented as more likely to be exploited than 99.7% of known CVEs.

Detection Date

Mar 26, 2024

Remediation Due

Apr 16, 2024

CISA Catalog Active

Threat Analysis

Microsoft SharePoint Server contains a code injection vulnerability that allows an authenticated attacker with Site Owner privileges to execute code remotely.

Remediation Directive

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Asset Context

Vendor Identity

Microsoft

Affected Product

SharePoint Server

Ransomware Status

Campaign Use Known

Weakness Classification

CWE-94

External Intelligence

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-24955

NVD

National Vulnerability Database

https://nvd.nist.gov/vuln/detail/CVE-2023-24955