CVE-2023-43900

MEDIUMNVD 6.56.5—Elevated

6.5

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

CVSS v3: 6.5
EG Score: 6.5(medium)
EPSS: 41.3%
KEV: Not listed

Published

November 14, 2023

Last Modified

November 21, 2024

References (2)

cve@mitrehttps://secpro.llc/emsigner-cve-3/
af854a3a-2127-422b-91ae-364da2661108https://secpro.llc/emsigner-cve-3/

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-639Authorization Bypass Through User-Controlled Key (IDOR)

Data Freshness Timeline

(refreshed 12× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-24 14:05 UTCEG score recompute

Frequently asked(5)

What is CVE-2023-43900?

CVE-2023-43900 is a medium vulnerability published on November 14, 2023. Insecure Direct Object References (IDOR) in EMSigner v2.8.7 allow attackers to gain unauthorized access to application content and view sensitive data of other users via manipulation of the documentID and EncryptedDocumentId parameters.

When was CVE-2023-43900 disclosed?

CVE-2023-43900 was first published in the National Vulnerability Database on November 14, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-43900 actively exploited?

CVE-2023-43900 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 41.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-43900?

CVE-2023-43900 has a CVSS v3 base score of 6.5 (NVD).

How do I remediate CVE-2023-43900?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-43900, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2023-43900

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-43900?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)