Is CVE-2023-24955 in the CISA KEV catalog?

Yes. CVE-2023-24955 is on the CISA Known Exploited Vulnerabilities list, added 2024-03-26, and has known ransomware campaign use.

What is the CVSS severity of CVE-2023-24955?

CVE-2023-24955 has a CVSS v3 base score of 7.2 (HIGH).

What is the EPSS score for CVE-2023-24955?

CVE-2023-24955 has an EPSS score of 85.39% (100th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2023-24955

HIGHCISA KEVEPSS 100th pctl

7.2

CVSS v3

NVD

Description

Microsoft SharePoint Server Remote Code Execution Vulnerability

CWE-94Code Injection

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

85.39%probability of exploitation in 30 days

100thpercentile

Very high risk: more likely to be exploited than 100% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Microsoft SharePoint Server Code Injection Vulnerability

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

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

Remediation due: 2024-04-16

Associated with ransomware campaigns

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-10-28.