Allegra loadFieldMatch Deserialization of Untrusted Data Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Allegra. Authentication is required to exploit this vulnerability. The specific flaw exists within the loadFieldMatch method. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of LOCAL SERVICE. Was ZDI-CAN-23452.
Conclusion & alert: CVE-2024-5580 is rated Moderate Risk (61.9/100): CVSS High severity, with high exploitation likelihood (EPSS 5.75%, 90th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +1.43% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-04-13 | 4.32% | 5.75% | +1.43% |
| 2 | 2026-01-02 | 4.78% | 4.32% | -0.46% |
| 3 | 2025-12-31 | — | 4.78% | — |
Full EPSS history (20 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.2 | 3.0 | HIGH |
|
1.2 | 5.9 | [email protected] |
| URL | Tags |
|---|---|
| https://alltena.com/en/resources/release-notes/relnotes-7-5-2 | Release Notes Vendor Advisory |
| https://www.zerodayinitiative.com/advisories/ZDI-24-1163/ | Third Party Advisory |