How severe is CVE-2024-23813?

CVE-2024-23813 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2024-23813 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-23813?

CVE-2024-23813 affects Siemens Polarion Alm. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-23813?

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.

Does CVE-2024-23813 have an EU (EUVD) identifier?

Yes. CVE-2024-23813 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-21266.

When was CVE-2024-23813 published?

CVE-2024-23813 was published on 2024-02-13 and last updated on 2026-06-17.

CVE-2024-23813

CVE-2024-23813 is a high-severity vulnerability in Siemens Polarion Alm with a CVSS 3.x base score of 7.3. 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-287.

Key facts

Severity: High (CVSS 3.x base score 7.3)
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-21266
Weakness: CWE-287
Affected product: Siemens Polarion Alm
Published: 2024-02-13
Last modified: 2026-06-17

Description

A vulnerability has been identified in Polarion ALM (All versions < V2404.0). The REST API endpoints of doorsconnector of the affected product lacks proper authentication. An unauthenticated attacker could access the endpoints, and potentially execute code.

Frequently asked questions

What is CVE-2024-23813?: A vulnerability has been identified in Polarion ALM (All versions < V2404.0). The REST API endpoints of doorsconnector of the affected product lacks proper authentication. An unauthenticated attacker could access the endpoints, and potentially execute code.
How severe is CVE-2024-23813?: CVE-2024-23813 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2024-23813 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-23813?: CVE-2024-23813 affects Siemens Polarion Alm. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-23813?: 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.
Does CVE-2024-23813 have an EU (EUVD) identifier?: Yes. CVE-2024-23813 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-21266.
When was CVE-2024-23813 published?: CVE-2024-23813 was published on 2024-02-13 and last updated on 2026-06-17.

References

https://cert-portal.siemens.com/productcert/html/ssa-871717.html

Affected products (1)

cpe:2.3:a:siemens:polarion_alm:*:*:*:*:*:*:*:*

More vulnerabilities in Siemens Polarion Alm

CVE-2023-50236 — High (CVSS 7.8): A vulnerability has been identified in Polarion ALM (All versions < V2404.0). The affected product is vulnerable due to…
CVE-2024-51446 — Medium (CVSS 6.5): A vulnerability has been identified in Polarion V2310 (All versions), Polarion V2404 (All versions < V2404.4). The file…
CVE-2024-51445 — Medium (CVSS 6.5): A vulnerability has been identified in Polarion V2310 (All versions), Polarion V2404 (All versions < V2404.4). The…
CVE-2024-51444 — Medium (CVSS 6.5): A vulnerability has been identified in Polarion V2310 (All versions), Polarion V2404 (All versions < V2404.4). The…
CVE-2021-44478 — Medium (CVSS 6.1): A vulnerability has been identified in Polarion ALM (All versions < V21 R2 P2), Polarion WebClient for SVN (All…
CVE-2023-28828 — Medium (CVSS 5.9): A vulnerability has been identified in Polarion ALM (All versions < V22R2). The application contains a XML External…

All CVEs affecting Siemens Polarion Alm →

Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

Browse all CWE-287 (Improper Authentication) vulnerabilities →