Vulnerability · Published Nov 22, 2024 · Assigned by zdi

CVE-2023-51644Allegra SiteConfigAction Improper Access Control Remote Code Execution Vulnerability

Critical 9.8

In plain English

A critical-severity improper access control in Allegra from Allegra. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.0% (higher than 81% of all known vulnerabilities).

Severity (CVSS 3.0)9.8Critical

Exploit odds (30 days)2.0%top 19.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Allegra SiteConfigAction Improper Access Control Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Allegra. Authentication is not required to exploit this vulnerability. The specific flaw exists within the configuration of Struts. The issue results from improper access control. An attacker can leverage this vulnerability to execute code in the context of LOCAL SERVICE. Was ZDI-CAN-22512.

Affected products (as reported)

Vendor	Product	Versions
Allegra	Allegra	7.5.0 build 29

Weakness: CWE-284 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

ZDI-24-102 x_research-advisory
vendor-provided URL vendor-advisory