high Known exploitedREV. 01
CVE-2023-24955SharePoint Server — a site owner who can inject code
An account holding site owner rights in Microsoft SharePoint Server injects code that the server then runs. Microsoft publishes nothing beyond the class of flaw, and ransomware operations are known to use it.
Read the risk
THE VITAL STATS- CVSS score
- 7.2/ 10 CVSS v3.1
- EPSS probability
- 85% Likelihood of exploitation
- Attack complexity
- Low Conditions needed to exploit
- Known exploited
- Yes — CISA KEV
- CVE published
- 2023-05-09
- Added to KEV
- 2024-03-26
- Exploit published
- Not recorded
- Confidence
- high
- Kill chain
- execution
- MITRE ATT&CK
- T1059
- Severity
- high
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attacker needsThe attacker must hold site owner rights on the SharePoint site.
Behind the card
3 REFERENCES- 01CVE recordNVD recordnvd.nist.gov
- 02CISACISA Known Exploited Vulnerabilities catalogcisa.gov
- 03Vendor advisorymsrc.microsoft.commsrc.microsoft.com
Field-level provenanceTRACE THE SOURCES +
Which source supports each field, when it was retrieved, and who extracted it.
| Fields | Source | Retrieved | Extractor | Confidence |
|---|---|---|---|---|
| cvss, exploitation.attack_complexity, exploitation.exploit_available, references, published_at | nvd.nist.gov | 2026-09-24 | scrty-crds-pipeline/0.1 | high |
| exploitation.known_exploited, exploitation.kev_added | cisa.gov | 2026-09-24 | scrty-crds-pipeline/0.1 | high |
| epss | api.first.org | 2026-09-24 | scrty-crds-pipeline/0.1 | high |
| title, summary, severity, remediation, mitre_attack, kill_chain, recommended_action, confidence, tags, exploitation.prerequisites | nvd.nist.gov | 2026-09-24 | claude-code | high |
Printing history
THE RECORD- r1Initial base card
First printing. This card has not been reprinted since publication.