9.8Critical

Emudhra Emsigner

CVE-2023-43902

Incorrect access control in the Forgot Your Password function of eMudhra emSigner v2.8.7 allows unauthenticated attackers to access accounts of all registered users, including those with administrator privileges via a crafted password reset token.

What this means for your business

  • It affects Emudhra Emsigner. It matters if your company, or a supplier that handles your data, runs it.
  • Code showing how to exploit it has been published, but real attacks have not been confirmed.
  • An attacker can use it remotely, over a network, without a login, and without anyone at your company clicking anything.
  • FIRST's prediction model gives it a 0.8% chance of attack attempts being seen in the next 30 days, ranking above 55% of all known flaws.

What to do

  1. 1Check whether your company or your suppliers run Emudhra Emsigner, and which version. The affected versions are listed further down this page.
  2. 2If you do, follow the vendor's guidance. No patch reference has been published yet.

Not sure if your company is exposed?

Fastnexa’s certified penetration testers can check whether attackers could use this flaw, or others like it, against your websites, apps and network. The full test is free for our first 10 founding clients until 31 December 2026.

Scoring

CVSS
9.8 (v3.1)
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-640
Assigned by
cve@mitre.org

Dates

Published
2023-11-14
Last modified
2026-08-28
Sources
NVD

Affected products

  • Emudhra Emsigner2.8.7

As listed in the NVD configuration data. Not a statement about your estate.

References