CVE-2024-45539
CVE-2024-45539 is a high-severity vulnerability in Synology Diskstation Manager with a CVSS 3.x base score of 7.5. 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-787.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 0% (34th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-55301
- Weakness: CWE-787
- Affected product: Synology Diskstation Manager
- Published:
- Last modified:
Description
Out-of-bounds write vulnerability in cgi components in Synology DiskStation Manager (DSM) before 7.2.1-69057-2 and 7.2.2-72806 and Synology Unified Controller (DSMUC) before 3.1.4-23079 allows remote attackers to conduct denial-of-service attacks via unspecified vectors.
Frequently asked questions
- What is CVE-2024-45539?
- Out-of-bounds write vulnerability in cgi components in Synology DiskStation Manager (DSM) before 7.2.1-69057-2 and 7.2.2-72806 and Synology Unified Controller (DSMUC) before 3.1.4-23079 allows remote attackers to conduct denial-of-service attacks via unspecified vectors.
- How severe is CVE-2024-45539?
- CVE-2024-45539 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2024-45539 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2024-45539?
- CVE-2024-45539 primarily affects Synology Diskstation Manager. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2024-45539?
- 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-2024-45539 have an EU (EUVD) identifier?
- Yes. CVE-2024-45539 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-55301.
- When was CVE-2024-45539 published?
- CVE-2024-45539 was published on 2025-12-04 and last updated on 2026-06-17.
References
Affected products (2)
- cpe:2.3:o:synology:diskstation_manager:*:*:*:*:*:*:*:*
- cpe:2.3:o:synology:diskstation_manager_unified_controller:*:*:*:*:*:*:*:*
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