How severe is CVE-2023-43902?

CVE-2023-43902 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-43902 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-43902?

CVE-2023-43902 affects Emudhra Emsigner. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-43902?

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

When was CVE-2023-43902 published?

CVE-2023-43902 was published on 2023-11-14 and last updated on 2026-08-28.

CVE-2023-43902

CVE-2023-43902 is a critical-severity vulnerability in Emudhra Emsigner with a CVSS 3.x base score of 9.8. 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-640.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-640
Affected product: Emudhra Emsigner
Published: 2023-11-14
Last modified: 2026-08-28

Description

Incorrect access control in the Forgot Your Password function of eMudhra emSigner v2.8.7 allows unauthenticated attackers to access accounts of all registered users, including those with administrator privileges via a crafted password reset token.

Frequently asked questions

What is CVE-2023-43902?: Incorrect access control in the Forgot Your Password function of eMudhra emSigner v2.8.7 allows unauthenticated attackers to access accounts of all registered users, including those with administrator privileges via a crafted password reset token.
How severe is CVE-2023-43902?: CVE-2023-43902 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-43902 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-43902?: CVE-2023-43902 affects Emudhra Emsigner. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-43902?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-43902 published?: CVE-2023-43902 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:*:*:*:*:*:*:*

More vulnerabilities in Emudhra Emsigner

CVE-2023-43901 — High (CVSS 7.5): Incorrect access control in the AdHoc User creation form of eMudhra emSigner v2.8.7 allows unauthenticated attackers to…
CVE-2023-43900 — Medium (CVSS 6.5): Insecure Direct Object References (IDOR) in eMudhra emSigner v2.8.7 allow authenticated attackers to gain unauthorized…

All CVEs affecting Emudhra Emsigner →

Other CWE-640 vulnerabilities

CVE-2025-63314 — Critical (CVSS 10.0): A static password reset token in the password reset function of DDSN Interactive Acora CMS v10.7.1 allows attackers to…
CVE-2023-7028 — Critical (CVSS 10.0): An issue has been discovered in GitLab CE/EE affecting all versions from 16.1 prior to 16.1.6, 16.2 prior to 16.2.9,…
CVE-2026-102115 — Critical (CVSS 9.8): Kiteworks Core did not correctly validate a parameter submitted to the password reset workflow. An unauthenticated…
CVE-2026-19632 — Critical (CVSS 9.8): The TranslatePress – Translate Multilingual sites with AI Translation plugin for WordPress is vulnerable to Sensitive…
CVE-2026-77264 — Critical (CVSS 9.8): The Automation Web Platform – Notifications and OTP for WooCommerce, Advanced Country Code plugin for WordPress is…
CVE-2026-15689 — Critical (CVSS 9.8): Dancer2::Plugin::Auth::Extensible versions through 0.713 for Perl allow password reset link poisoning via the request…

Browse all CWE-640 vulnerabilities →