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Vulnerability record · CVE-2021-30185 · published 7 April 2021

CVE-2021-30185: Cern indico vulnerability

Cern · Indico

CERN Indico before 2.3.4 can use an attacker-supplied Host header in a password reset link.

7.5 CVSS 3.1 High EPSS 1.0% · top 37.2%
7.5CVSS 3.1 base score, v2 5.0
1.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

CERN Indico before 2.3.4 can use an attacker-supplied Host header in a password reset link.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/indico/indico/releases/tag/v2.3.4 Release NotesThird Party Advisory
https://www.shorebreaksecurity.com/blog/ Third Party Advisory
https://github.com/indico/indico/releases/tag/v2.3.4 Release NotesThird Party Advisory
https://www.shorebreaksecurity.com/blog/ Third Party Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-30185), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.