Remote Code Execution Flaw in Sentry 8.2.0 by Sentry
CVE-2021-47935

8.7HIGH

Key Information:

Vendor

Sentry

Status
Vendor
CVE Published:
10 May 2026

Badges

๐Ÿ‘พ Exploit Exists๐ŸŸก Public PoC

What is CVE-2021-47935?

Sentry 8.2.0 is vulnerable to a remote code execution attack that can be exploited by authenticated superusers. By injecting malicious pickle-serialized objects into the audit log entry data parameter, attackers can send specially crafted POST requests to the admin audit log endpoint. This exploitation allows them to execute arbitrary commands with the privileges of the application. It underscores the importance of securing audit log entries and validating data before processing.

Affected Version(s)

Sentry 8.2.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

References

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • ๐ŸŸก

    Public PoC available

  • ๐Ÿ‘พ

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Mohin Paramasivam (Shad0wQu35t)
.