How severe is CVE-2023-51644?

CVE-2023-51644 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-2023-51644 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-51644?

CVE-2023-51644 affects Alltena Allegra. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-51644?

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-2023-51644 have an EU (EUVD) identifier?

Yes. CVE-2023-51644 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-56356.

When was CVE-2023-51644 published?

CVE-2023-51644 was published on 2024-11-22 and last updated on 2026-06-17.

CVE-2023-51644

CVE-2023-51644 is a high-severity vulnerability in Alltena Allegra 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-284.

Key facts

Severity: High (CVSS 3.x base score 7.3)
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-56356
Weakness: CWE-284
Affected product: Alltena Allegra
Published: 2024-11-22
Last modified: 2026-06-17

Description

Allegra SiteConfigAction Improper Access Control Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Allegra. Authentication is not required to exploit this vulnerability. The specific flaw exists within the configuration of Struts. The issue results from improper access control. An attacker can leverage this vulnerability to execute code in the context of LOCAL SERVICE. Was ZDI-CAN-22512.

Frequently asked questions

What is CVE-2023-51644?: Allegra SiteConfigAction Improper Access Control Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Allegra. Authentication is not required to exploit this vulnerability. The specific flaw exists within the configuration of Struts. The issue results from improper access control. An attacker can leverage this vulnerability to execute code in the context of LOCAL SERVICE. Was ZDI-CAN-22512.
How severe is CVE-2023-51644?: CVE-2023-51644 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-2023-51644 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-51644?: CVE-2023-51644 affects Alltena Allegra. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-51644?: 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-2023-51644 have an EU (EUVD) identifier?: Yes. CVE-2023-51644 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-56356.
When was CVE-2023-51644 published?: CVE-2023-51644 was published on 2024-11-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:alltena:allegra:*:*:*:*:*:*:*:*

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