SID 1:57276

Report a false positive

Rule Category

SERVER-WEBAPP -- Snort has detected traffic exploiting vulnerabilities in web based applications on servers.

Alert Message

SERVER-WEBAPP Microsoft SharePoint potential deserialization attempt

Rule Explanation

This rule is designed to look for the crafted URI and parameters as part of the exploitation process.

What To Look For

This rule alerts on potential attempts to exploit CVE-2021-27076 against SharePoint servers.

Known Usage

No public information

False Positives

No known false positives

Contributors

Cisco Talos Intelligence Group

Rule Groups

No rule groups

CVE

CVE-2021-27076

Additional Links

portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2021-27076

Rule Vulnerability

N/A

Not Applicable

CVE Additional Information

This product uses data from the NVD API but is not endorsed or certified by the NVD.
CVE-2021-27076
 Loading description

MITRE ATT&CK Framework

Tactic: Initial Access

Technique: Exploit Public-Facing Application

For reference, see the MITRE ATT&CK vulnerability types here: https://attack.mitre.org