CVE-2024-55371
CVE-2024-55371 is a critical-severity vulnerability in Wallosapp Wallos with a CVSS 3.x base score of 9.8. 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-73.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- EPSS exploit prediction: 1% (41st percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-11492
- Weakness: CWE-73
- Affected product: Wallosapp Wallos
- Published:
- Last modified:
Description
Wallos <= 2.38.2 has a file upload vulnerability in the restore backup function, which allows authenticated users to restore backups by uploading a ZIP file. The contents of the ZIP file are extracted on the server. This functionality enables an authenticated attacker (being an administrator is not required) to upload malicious files to the server. Once a web shell is installed, the attacker gains the ability to execute arbitrary commands.
Frequently asked questions
- What is CVE-2024-55371?
- Wallos <= 2.38.2 has a file upload vulnerability in the restore backup function, which allows authenticated users to restore backups by uploading a ZIP file. The contents of the ZIP file are extracted on the server. This functionality enables an authenticated attacker (being an administrator is not required) to upload malicious files to the server. Once a web shell is installed, the attacker gains the ability to execute arbitrary commands.
- How severe is CVE-2024-55371?
- CVE-2024-55371 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2024-55371 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2024-55371?
- CVE-2024-55371 affects Wallosapp Wallos. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2024-55371?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2024-55371 have an EU (EUVD) identifier?
- Yes. CVE-2024-55371 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-11492.
- When was CVE-2024-55371 published?
- CVE-2024-55371 was published on 2025-04-16 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:wallosapp:wallos:*:*:*:*:*:*:*:*
More vulnerabilities in Wallosapp Wallos
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