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TI-2025-34145 Aliases CVE-2025-54321GHSA-79qg-7g83-cmf7

In Ascertia SigningHub through 8.6.8, there is a lack of rate limiting on the reset…

Priority MEDIUM 49CWE-799Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

In Ascertia SigningHub through 8.6.8, there is a lack of rate limiting on the reset password function, leading to an email bombing vulnerability. An authenticated attacker can exploit this by automating reset password requests.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00502 43rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:ascertia:signinghub:*:*:*:*:*:*:*:*up to 8.6.8VulnerableAscertia
  • cpe:2.3:a:ascertia:signinghub:*:*:*:*:*:*:*:* Versions up to 8.6.8 Vulnerable ·Ascertia

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-54321
  2. 2026-10-03 Alias added: GHSA-79qg-7g83-cmf7

References

Advisory 2

  • TI-2025-37948 An open redirect in Ascertia SigningHub User v10.0 allows attackers to redirect users to… CVSS 3.1MEDIUM 6.1
  • TI-2025-35276 A lack of rate limiting in the login mechanism of SigningHub v8.6.8 allows attackers to… CVSS 3.1CRITICAL 9.8
  • TI-2025-35274 An arbitrary file upload vulnerability in SigningHub v8.6.8 allows attackers to execute… CVSS 3.1CRITICAL 9.8
  • TI-2025-35277 A lack of rate limiting in the component /Home/UploadStreamDocument of SigningHub v8.6.8… CVSS 3.1HIGH 7.5
  • TI-2025-35278 A lack of rate limiting in the One-Time Password (OTP) verification endpoint of… CVSS 3.1HIGH 8.1
  • TI-2025-35275 Incorrect access control in SigningHub v8.6.8 allows attackers to arbitrarily add user… CVSS 3.1HIGH 7.1
See all 7 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences