CVE-2023-43901

MEDIUMNVD 5.95.9—Elevated

5.9

Incorrect access control in the AdHoc User creation form of EMSigner v2.8.7 allows unauthenticated attackers to arbitrarily modify usernames and privileges by using the email address of a registered user.

CVSS v3: 5.9
EG Score: 5.9(medium)
EPSS: 42.1%
KEV: Not listed

Published

November 14, 2023

Last Modified

November 21, 2024

References (2)

cve@mitrehttps://secpro.llc/EMSigner-CVE-1/
af854a3a-2127-422b-91ae-364da2661108https://secpro.llc/EMSigner-CVE-1/

Weakness Classification(1)

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

CWE-284Improper Access Control

Data Freshness Timeline

(refreshed 13× 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.

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Frequently asked(5)

What is CVE-2023-43901?

CVE-2023-43901 is a medium vulnerability published on November 14, 2023. Incorrect access control in the AdHoc User creation form of EMSigner v2.8.7 allows unauthenticated attackers to arbitrarily modify usernames and privileges by using the email address of a registered user.

When was CVE-2023-43901 disclosed?

CVE-2023-43901 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-2023-43901 actively exploited?

CVE-2023-43901 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 42.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-43901?

CVE-2023-43901 has a CVSS v3 base score of 5.9 (NVD).

How do I remediate CVE-2023-43901?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-43901, 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-2023-43901

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-43901?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)