TI-2023-23560 Aliases CVE-2023-43900 GHSA-r59x-8xcr-cc6w

Insecure Direct Object References (IDOR) in eMudhra emSigner v2.8.7 allow authenticated…

MEDIUM 62CWE-639Published 2023-11-14 · Updated 2026-08-28

Key facts

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

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-639.

Summary

Insecure Direct Object References (IDOR) in eMudhra emSigner v2.8.7 allow authenticated attackers to gain unauthorized access to application content and view sensitive data of other users via manipulation of the documentID and EncryptedDocumentId parameters.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00598 48th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

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

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:emudhra:emsigner:2.8.7:::::::*	2.8.7	Vulnerable	Emudhra

cpe:2.3:a:emudhra:emsigner:2.8.7:*:*:*:*:*:*:* Versions 2.8.7 Vulnerable ·Emudhra

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2023-43900
2026-10-03 Alias added: GHSA-r59x-8xcr-cc6w

References

Exploit 1

https://secpro.llc/emsigner-cve-3/

Other 1

https://secpro.co/blog/cve-2023-43900

TI-2023-23562 Incorrect access control in the Forgot Your Password function of eMudhra emSigner v2.8.7… CVSS 3.1CRITICAL 9.8
TI-2023-23561 Incorrect access control in the AdHoc User creation form of eMudhra emSigner v2.8.7… CVSS 3.1HIGH 7.5

Sources

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