Auth bypass in Emsigner
CVE-2023-43900
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.
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.006 (46.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 46.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Emsigner — versions 2.8.7
- Emudhra Emsigner — versions 2.8.7
Weakness classification (CWE)
References
- secpro.llc/emsigner-cve-3/ (Exploit, Third Party Advisory)
- secpro.co/blog/cve-2023-43900
Frequently asked questions
- What is CVE-2023-43900?
- CVE-2023-43900 is a medium-severity vulnerability in Emsigner, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2023-11-14.
- How severe is CVE-2023-43900?
- Medium severity. CVSS v3 base score is 6.5 out of 10.