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Vulnerabilities

Vulnerability · CVE-2025-54321

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.

Published Nov 18, 2025 · catalog updated Nov 19, 2025 · In Ascertia SigningHub through

Last checked Oct 28, 2026. A connected source was read within the last 7 days.

Check this week

CVE-2025-54321 is not in CISA KEV. FIRST estimates a 50.00% chance of exploitation in the next 30 days. Check whether you run In Ascertia SigningHub through.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (In Ascertia SigningHub through).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Critical9.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
50.00%
Remediation
Vendor / distro source
Affected products
vendor n/a n/a n/a

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor n/a n/a n/an/a

How to fix CVE-2025-54321

  • No stored fix

    No vendor fix text is stored. Use the linked advisory before you change production.

  • Version check

    No version range is stored, so an installed version cannot be checked on this page.

  • Advisory

    Open the cve_org record and follow its fix.

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2025-54321 is not in CISA KEV. FIRST estimates a 50.00% chance of exploitation in the next 30 days. Check whether you run In Ascertia SigningHub through.

Which versions are affected?

Compare what you have installed with n/a n/a n/a n/a. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 50.00%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Nov 18, 2025 · EUVD

    Detected

    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.

  2. Nov 19, 2025 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2025-54321

    Official CVE identifier

    cve.org
  • EUVDVulnerability recordEUVD-2025-198073

    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.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 19, 2025. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgOct 28, 2026
  • EUVDOct 28, 2026