CVE-2021-42777 — CRITICAL (9.8)

Vulnerability Description

Stimulsoft (aka Stimulsoft Reports) 2013.1.1600.0, when Compilation Mode is used, allows an attacker to execute arbitrary C# code on any machine that renders a report, including the application server or a user's local machine, as demonstrated by System.Diagnostics.Process.Start.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Stimulsoft	Reports	2013.1.1600.0

Related Weaknesses (CWE)

CWE-209

References

http://burninatorsec.blogspot.com/2022/04/library-rce-object-chaining-cve-2021.hExploitThird Party Advisory
http://burninatorsec.blogspot.com/2022/04/library-rce-object-chaining-cve-2021.hExploitThird Party Advisory

FAQ

What is CVE-2021-42777?

CVE-2021-42777 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Stimulsoft (aka Stimulsoft Reports) 2013.1.1600.0, when Compilation Mode is used, allows an attacker to execute arbitrary C# code on any machine that renders a report, including the application server...

How severe is CVE-2021-42777?

CVE-2021-42777 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-42777?

Check the references section above for vendor advisories and patch information. Affected products include: Stimulsoft Reports.