Vulnerability DatabaseCVE-2021-30185
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CVE-2021-30185
Published:April 07, 2021
Updated:May 17, 2026
CERN Indico before 2.3.4 can use an attacker-supplied Host header in a password reset link.
Affected Packages
indico (PYTHON):
Affected version(s) >=0.98-rc1 <2.3.4
Fix Suggestion:
Update to version 2.3.4
Related Resources (7)
https://www.shorebreaksecurity.com/blog
https://github.com/advisories/GHSA-wgpj-7c2j-vfjm
https://www.shorebreaksecurity.com/blog/
https://nvd.nist.gov/vuln/detail/CVE-2021-30185
https://github.com/pypa/advisory-database/tree/main/vulns/indico/PYSEC-2021-18.yaml
https://github.com/indico/indico/releases/tag/v2.3.4
https://github.com/indico/indico/security/advisories/GHSA-wgpj-7c2j-vfjm
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CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Weak Password Recovery Mechanism for Forgotten Password
CWE-640
EPSS
Base Score:
0.24