Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2021-30185

22
FAUCET Score

CVE-2021-30185 affects CERN Indico versions prior to 2.3.4, allowing an attacker to manipulate the Host header in password reset links. This vulnerability carries a high CVSS score of 7.5, indicating a network-based attack with low complexity, requiring no user interaction, and potentially leading to high integrity impact, likely redirecting password reset emails to an attacker-controlled domain. There is currently no evidence of active exploitation, no public exploit code available (Metasploit, Nuclei, ExploitDB), and minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.3.4CPE matchmatch criteria
cpe:2.3:a:cern:indico:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.05%
Probability of exploitation in next 30 days
EPSS Percentile
60.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0105 is in the 37th percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

pippatch availablevia ghsa
Product: indicoFixed in: 2.3.4

Vendor Advisories (1)

pipGHSA-wgpj-7c2j-vfjmhigh

Indico Tampering with links (e.g. password reset) in sent emails

Apr 8, 2021

References

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