How severe is CVE-2023-50356?

CVE-2023-50356 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability low.

Is CVE-2023-50356 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-50356?

CVE-2023-50356 affects Areal-topkapi Vision Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-50356?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2023-50356 have an EU (EUVD) identifier?

Yes. CVE-2023-50356 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-55157.

When was CVE-2023-50356 published?

CVE-2023-50356 was published on 2024-01-31 and last updated on 2026-06-17.

CVE-2023-50356

CVE-2023-50356 is a medium-severity vulnerability in Areal-topkapi Vision Server with a CVSS 3.x base score of 6.5. 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-295.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-55157
Weakness: CWE-295
Affected product: Areal-topkapi Vision Server
Published: 2024-01-31
Last modified: 2026-06-17

Description

SSL connections to some LDAP servers are vulnerable to a man-in-the-middle attack due to improper certificate validation in AREAL Topkapi Vision (Server). This allows a remote unauthenticated attacker to gather sensitive information and prevent valid users from login.

Frequently asked questions

What is CVE-2023-50356?: SSL connections to some LDAP servers are vulnerable to a man-in-the-middle attack due to improper certificate validation in AREAL Topkapi Vision (Server). This allows a remote unauthenticated attacker to gather sensitive information and prevent valid users from login.
How severe is CVE-2023-50356?: CVE-2023-50356 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability low.
Is CVE-2023-50356 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-50356?: CVE-2023-50356 affects Areal-topkapi Vision Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-50356?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-50356 have an EU (EUVD) identifier?: Yes. CVE-2023-50356 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-55157.
When was CVE-2023-50356 published?: CVE-2023-50356 was published on 2024-01-31 and last updated on 2026-06-17.

References

https://www.areal-topkapi.com/en/services/security-bulletins

Affected products (1)

cpe:2.3:a:areal-topkapi:vision_server:*:*:*:*:*:*:*:*

Other CWE-295 (Improper Certificate Validation) vulnerabilities

CVE-2026-4370 — Critical (CVSS 10.0): A vulnerability was identified in Juju from version 3.2.0 until 3.6.19 and from version 4.0 until 4.0.4, where the…
CVE-2026-30836 — Critical (CVSS 10.0): Step CA is an online certificate authority for secure, automated certificate management for DevOps. Versions 0.30.0-rc6…
CVE-2025-68121 — Critical (CVSS 10.0): During session resumption in crypto/tls, if the underlying Config has its ClientCAs or RootCAs fields mutated between…
CVE-2022-20703 — Critical (CVSS 10.0): Multiple vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an attacker…
CVE-2021-1471 — Critical (CVSS 9.9): Multiple vulnerabilities in Cisco Jabber for Windows, Cisco Jabber for MacOS, and Cisco Jabber for mobile platforms…
CVE-2026-20184 — Critical (CVSS 9.8): A vulnerability in the integration of single sign-on (SSO) with Control Hub in Cisco Webex Services could have allowed…

Browse all CWE-295 (Improper Certificate Validation) vulnerabilities →