How severe is CVE-2023-43901?

CVE-2023-43901 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2023-43901 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-43901?

CVE-2023-43901 affects Emudhra Emsigner. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-43901?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-43901 published?

CVE-2023-43901 was published on 2023-11-14 and last updated on 2026-08-28.

CVE-2023-43901

CVE-2023-43901 is a high-severity vulnerability in Emudhra Emsigner with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-863.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Emudhra Emsigner
Published: 2023-11-14
Last modified: 2026-08-28

Description

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

Frequently asked questions

What is CVE-2023-43901?: Incorrect access control in the AdHoc User creation form of eMudhra emSigner v2.8.7 allows unauthenticated attackers to arbitrarily modify usernames and privileges by using the email address of a registered user.
How severe is CVE-2023-43901?: CVE-2023-43901 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2023-43901 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-43901?: CVE-2023-43901 affects Emudhra Emsigner. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-43901?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-43901 published?: CVE-2023-43901 was published on 2023-11-14 and last updated on 2026-08-28.

References

Affected products (1)

cpe:2.3:a:emudhra:emsigner:2.8.7:*:*:*:*:*:*:*

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