CVE•Published 2025-10-20•Modified 2026-07-05•1 article on news•7 live references•NVD data
CVE-2025-56224Ascertia · Signinghub
Vulnerability data via NVD (ingested)
CVSS v3.1
8.1
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
37
Exploit Prediction Scoring System · top 63% of all CVEs
Weaknesses (CWE)
Description
A lack of rate limiting in the One-Time Password (OTP) verification endpoint of SigningHub v8.6.8 allows attackers to bypass verification via a bruteforce attack.
Timeline
Published 2025-10-20
Modified 2026-07-05
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2025-56224Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Ascertia Signinghub"All exposed Ascertia Signinghub instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Signinghub"HTTP body or banner mentions "Signinghub" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2025-56224Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2025-56224Censys host search filtered to this CVE id.
grep.app
CVE-2025-56224Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2025-56224GitHub code search for direct mentions.
Google dork
"CVE-2025-56224" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2025-56224 on GitHub.