CVE-2023-24955 (GCVE-0-2023-24955)

Vulnerability from cvelistv5 – Published: 2023-05-09 17:03 – Updated: 2025-10-21 23:05
Title
Microsoft SharePoint Server Remote Code Execution Vulnerability
Summary
Microsoft SharePoint Server Remote Code Execution Vulnerability
SSVC
Exploitation: active Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
Impacted products
Date Public
2023-05-09 07:00
CISA KEV
Known Exploited Vulnerability - GCVE BCP-07 Compliant

Vulnerability ID: CVE-2023-24955

Status: Confirmed

Status Updated: 2024-03-26 00:00 UTC

Exploited: Yes


Timestamps
First Seen: 2024-03-26
Asserted: 2024-03-26

Scope
Notes: KEV entry: Microsoft SharePoint Server Code Injection Vulnerability | Affected: Microsoft / SharePoint Server | Description: Microsoft SharePoint Server contains a code injection vulnerability that allows an authenticated attacker with Site Owner privileges to execute code remotely. | Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. | Due date: 2024-04-16 | Known ransomware campaign use (KEV): Known | Notes (KEV): https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-24955; https://nvd.nist.gov/vuln/detail/CVE-2023-24955

Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev


Details
Cwes CWE-94
Feed CISA Known Exploited Vulnerabilities Catalog
Product SharePoint Server
Due Date 2024-04-16
Date Added 2024-03-26
Vendorproject Microsoft
Vulnerabilityname Microsoft SharePoint Server Code Injection Vulnerability
Knownransomwarecampaignuse Known

References

Created: 2026-02-02 12:26 UTC | Updated: 2026-02-06 07:17 UTC
KEVintel KEV
Known Exploited Vulnerability - GCVE BCP-07 Compliant

Vulnerability ID: CVE-2023-24955

Status: Confirmed

Status Updated: 2024-03-26 00:00 UTC

Exploited: Yes


Timestamps
First Seen: 2024-03-26
Asserted: 2024-03-26

Scope
Notes: KEVIntel entry: Microsoft SharePoint Server Remote Code Execution Vulnerability | Affected: Microsoft / Microsoft SharePoint Enterprise Server 2016, Microsoft SharePoint Server 2019, Microsoft SharePoint Server Subscription Edition | CVSS: 7.2 (HIGH) | Used in malware: yes | Not yet in CISA KEV: False

Evidence

Type: Public Report

Signal: Confirmed Compromise

Confidence: 70%

Source: kevintel


Details
Feed KEVIntel (kevintel.com)
Title Microsoft SharePoint Server Remote Code Execution Vulnerability
Vendor Microsoft
Product Microsoft SharePoint Enterprise Server 2016, Microsoft SharePoint Server 2019, Microsoft SharePoint Server Subscription Edition
Added Date 2024-03-26T00:00:00.000Z
Cvss Score 7.2
Epss Score None
Cvss Severity HIGH
Epss Percentile None
Used In Malware yes
Ahead Of Cisa Kev None
Not Yet In Cisa Kev False

References

Created: 2026-06-19 12:46 UTC | Updated: 2026-06-19 12:46 UTC
Show details on NVD website

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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Detection rules are retrieved from Rulezet.

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