An open redirect vulnerability in Ilch CMS version 2.1.42 allows attackers to redirect users to an attacker's site after a successful login.

published 2021-03-29 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-14112

cvss: 5.4; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.8%; EPSS 0.8% chance of exploitation in 30 days, percentile 57%
public exploits: 0; none known

Exploit prediction

0.83% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

drive.google.com https://drive.google.com/file/d/1kSDlPASBCgJEINxTSIsjMWrU4u4T5XCc/view?usp=sharing referenced PoC, tagged "exploit" by a source, unverified
github.com https://github.com/xoffense/POC/blob/main/Ilch%202.1.42%20Open%20redirect referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD	2.0	4.9	AV:N/AC:M/Au:S/C:P/I:P/A:N

Classification

Weakness

CWE-601 URL Redirection to Untrusted Site

References

drive.google.com /file/d/1kSDlPASBCgJEINxTSIsjMWrU4u4T5XCc/view?usp=sharing
exploit, third-party-advisory
github.com /xoffense/POC/blob/main/Ilch%202.1.42%20Open%20redirect
exploit, third-party-advisory
ilch.de /
product

Sources

CVE List CVE-2021-27352
NVD CVE-2021-27352

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary