CISA Known Exploited Vulnerability
This vulnerability is actively exploited in the wild and listed in the CISA Known Exploited Vulnerabilities catalog.
Remediation Deadline: Jan 31, 2024
Description
Microsoft SharePoint Server contains an unspecified vulnerability that allows an unauthenticated attacker, who has gained access to spoofed JWT authentication tokens, to use them for executing a network attack. This attack bypasses authentication, enabling the attacker to gain administrator privileges.
EPSS — Exploit Probability
94.4%
Higher than 100.0% of all CVEs
Required Action
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-29357; https://nvd.nist.gov/vuln/detail/CVE-2023-29357
Risk Assessment
CRITICALIn CISA KEV
High EPSS
Ransomware
Details
- Severity
- High
- EPSS
- 94.4%
- CISA KEV
- Yes
- Ransomware
- Known
- Articles
- 0
Timeline
Published
Jan 10, 2024
Added to KEV
Jan 10, 2024
Remediation Due
Jan 31, 2024