CVE-2021-26598

MEDIUM NUCLEI

ImpressCMS < 1.4.3 - Unauthenticated Incorrect Access Control via findusers.php

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2021-26598 has a Nuclei detection template available — see the Nuclei card below for the Shodan/FOFA recon queries.

Description

ImpressCMS before 1.4.3 has Incorrect Access Control because include/findusers.php allows access by unauthenticated attackers (who are, by design, able to have a security token).

Nuclei Templates (1)

ImpressCMS <1.4.3 - Incorrect Authorization
MEDIUMby gy741,pdteam
Shodan: http.html:"ImpressCMS" || cpe:"cpe:2.3:a:impresscms:impresscms" || http.html:"impresscms"
FOFA: body="impresscms"

References (4)

Core 4
Core References
Exploit, Third Party Advisory x_refsource_misc
https://hackerone.com/reports/1081137
Exploit, Third Party Advisory x_refsource_misc
http://karmainsecurity.com/KIS-2022-03
Exploit, Mailing List, Third Party Advisory x_refsource_misc
http://seclists.org/fulldisclosure/2022/Mar/45

Scores

CVSS v3 5.3
EPSS 0.1081
EPSS Percentile 95.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Details

CWE
CWE-287
Status published
Products (2)
impresscms/impresscms < 1.4.3
impresscms/impresscms 0 - 1.4.3Packagist
Published Mar 28, 2022
Tracked Since Feb 18, 2026