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TI-2021-10724 Aliases CVE-2021-30185GHSA-wgpj-7c2j-vfjm

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

Priority LOW 35CWE-640Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
None · High · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-640.

Summary

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

Why it matters now

EPSS 0.01047 64th percentileScored 2026-11-07
Fix Fixed indico (PyPI): 2.3.4

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—indico (PyPI)before 2.3.42.3.4Patch availableGHSA-wgpj-7c2j-vfjm
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • indico (PyPI) Vendor— Affected before 2.3.4 Fixed in 2.3.4 Patch available GHSA-wgpj-7c2j-vfjm

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:cern:indico:*:*:*:*:*:*:*:*before 2.3.4Vulnerableindico
  • cpe:2.3:a:cern:indico:*:*:*:*:*:*:*:* Versions before 2.3.4 Vulnerable ·indico

Remediation

  • Fix · GHSA-wgpj-7c2j-vfjm indico (PyPI) Fixed in 2.3.4 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-30185
  2. 2026-10-03 Alias added: GHSA-wgpj-7c2j-vfjm

References

  • TI-2024-34052 Authorization bypass in Indico CVSS 3.1HIGH 7.5
  • TI-2026-25492 Indico discloses local files resulting in Remote Code Execution through LaTeX injection CVSS 4.0HIGH 7.7
  • TI-2026-20806 Indico has Server-Side Request Forgery (SSRF) in multiple places CVSS 4.0MEDIUM 6.9
  • TI-2026-22632 Indico missing access check in event series management API CVSS 3.1MEDIUM 6.5
  • TI-2024-30448 Indico has a Cross-Site-Scripting during account creation CVSS 3.1MEDIUM 6.1
  • TI-2025-33566 Indico vulnerable to user enumeration via API endpoint CVSS 4.0MEDIUM 5.3
See all 10 →

Sources