CVE-2023-24955
Confirmed PUBLISHEDMicrosoft SharePoint Server Remote Code Execution Vulnerability
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
Microsoft SharePoint Server Remote Code Execution Vulnerability
- CVE Published
- May 09, 2023
- Exploitation Reported
- Mar 26, 2024
- CVSS
- 7.2 High
- EPSS
- 85.4%
Affected Versions
| Vendor | Product | Version | Status |
|---|---|---|---|
| Microsoft |
Microsoft SharePoint Enterprise Server 2016
|
16.0.0 to < 16.0.5395.1000 |
Affected |
| Microsoft |
Microsoft SharePoint Server 2019
|
16.0.0 to < 16.0.10398.20000 |
Affected |
| Microsoft |
Microsoft SharePoint Server Subscription Edition
|
16.0.0 to < 16.0.16130.20420 |
Affected |
CVE References
- Microsoft SharePoint Server Remote Code Execution Vulnerability msrc.microsoft.com · Vendor Advisory https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-24955
Known Exploited Vulnerability Sources
Catalogues that list this CVE as a known exploited vulnerability.
Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| CISA First | 2024-03-26 00:00 UTC |
Scanner Artifacts
Scanner and exploit-framework references linked to this CVE.
| Scanner | Reference | Detected |
|---|---|---|
| Metasploit | https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/http/sharepoint_dynamic_proxy_generator_auth_bypass_rce.rb | Apr 28, 2025 |
Virtual Patch
Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.
KEVIntel does not currently have a virtual patch for this CVE. When available, KEVIntel virtual patches ship as deployable ModSecurity, Cloudflare, and AWS WAF rules.
Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to KEVIntel Enterprise users.
CVSS Scores
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 Status
Exploited in the wild
Recorded 2024-03-26 00:00:00 UTC · CISA
Used in malware
Recorded 2024-03-26 00:00:00 UTC · CISA
Proof of concept available
Recorded 2023-12-28 09:08:47 UTC · GitHub
Weaknesses (CWE)
-
Improper Control of Generation of Code ('Code Injection')
Scanner Integrations
Nuclei, Metasploit, and other scanner references for this CVE are listed on the Detection tab.
Potential Proof of Concepts
These PoCs are unverified and could contain malware. Use at your own risk.
github · Created 2023-12-28 09:08:47 UTC · 13 stars
Exploit for Microsoft SharePoint 2019
metasploit · Created Unknown
Metasploit module for CVE-2023-24955
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
15:02 UTC over 1 year ago15:02 UTC · over 1 year ago
Metasploit module available
Exploit module available
-
00:00 UTC over 2 years ago00:00 UTC · over 2 years ago
Added to CISA KEV
Listed in the CISA Known Exploited Vulnerabilities catalog
-
00:00 UTC over 2 years ago00:00 UTC · over 2 years ago
First public exploitation report
Exploit observed in malware
-
09:08 UTC over 2 years ago09:08 UTC · over 2 years ago
Public PoC available
Public proof-of-concept code published
-
17:03 UTC about 3 years ago17:03 UTC · about 3 years ago
CVE published
Vulnerability disclosed publicly
-
20:37 UTC over 3 years ago20:37 UTC · over 3 years ago
CVE ID reserved
Identifier reserved by the CNA
Automate This Intelligence with the Pro API
Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
Pro API Example
GET /api/v2/pro/kevs/CVE-2023-24955
{
"cve_id": "CVE-2023-24955",
"title": "Microsoft SharePoint Server Remote Code Execution Vulnerability",
"affected_vendor": "Microsoft",
"affected_product": "Microsoft SharePoint Enterprise Server 2016, Microsoft SharePoint Server 2019, Microsoft SharePoint Server Subscription Edition",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "Confirmed",
"cvss_score": 7.2,
"epss_score": 0.85395,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}