CVE-2025-59099
HIGHDescription
The Access Manager is using the open source web server CompactWebServer written in C#. This web server is affected by a path traversal vulnerability, which allows an attacker to directly access files via simple GET requests without prior authentication. Hence, it is possible to retrieve all files stored on the file system, including the SQLite database Database.sq3, containing badge information and the corresponding PIN codes. Additionally, when trying to access certain files, the web server crashes and becomes unreachable for about 60 seconds. This can be abused to continuously send the request and cause denial of service.
How to fix
No published remediation has been found for this vulnerability's affected products yet.
Mitigation guidance may be in the linked vendor advisories in the References section below.
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CVSS v4 Vector
Exploitability
Impact
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Exploit Intelligence
Moderate risk: more likely to be exploited than 55% of all known CVEs.
References
Related Vulnerabilities
Other CWE-35 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2025-8088 | High | 8.8 | 95% | KEV + Ransom | Fix |
| CVE-2020-27130 | Critical | 9.1 | 66% | - | - |
| CVE-2024-2863 | Medium | 5.3 | 64% | - | - |
| CVE-2023-32714 | High | 8.1 | 43% | - | Fix |
| CVE-2025-53417 | Critical | 9.3 | 13% | - | - |
| CVE-2024-36991 | High | 7.5 | 13% | - | Fix |
Common questions
How do I fix CVE-2025-59099?
No published fix for CVE-2025-59099 has been found yet. Check the linked vendor advisories for guidance as it becomes available.
Is CVE-2025-59099 being actively exploited?
Not that we know of. CVE-2025-59099 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.82% is the estimated probability that it will be exploited in the next 30 days. That is higher than 55% of all scored CVEs.
How severe is CVE-2025-59099?
CVE-2025-59099 has a CVSS v4 base score of 8.8, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
Embed a live status badge for CVE-2025-59099
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-17.