Dashboard / CVE-2025-54321

CVE-2025-54321

CRITICAL 1 PoC
INFO Priority: 0.05 BB Relevance: 90/100
Published: 2025-11-18 Modified: 2026-11-05 First seen: 2026-11-05 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: Unchanged
C: High
I: High
A: High

Description

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.

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
ascertia signinghub < 8.6.8

References & Advisories (2)

Proof of Concept (1)

—
https://github.com/saykino/CVE-2025-54321
nomi-sec

Bug Bounty Relevance

90 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction
✓ PoC available (1)

CVSS Score

9.8 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploitation Probability

0.50%
Raw Score 0.005020
Percentile 43.5%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00502
2026-11-12
0.00502
2026-11-10
0.00502
2026-11-09
0.00502
2026-11-08
0.00502
2026-11-07
0.00502
2026-11-06
0.00502
2026-11-05
0.00502

Intelligence Sources

nvd ref →

External Links