CVE-2021-47755
7.5 · HIGHOverview
CVE-2021-47755 is a high-severity vulnerability affecting softlinkint oliver_v5_library. It was published on January 15, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Oliver Library Server v5 contains a file download vulnerability that allows unauthenticated attackers to access arbitrary system files through unsanitized input in the FileServlet endpoint. Attackers can exploit the vulnerability by manipulating the 'fileName' parameter to download sensitive files from the server's filesystem.
Remediation
Check the references section for vendor advisories and patches from softlinkint. Update oliver_v5_library to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| softlinkint | oliver_v5_library | >= 0, < 8.00.008.053 | Affected |
Frequently Asked Questions
What is CVE-2021-47755?
CVE-2021-47755 is a high-severity vulnerability affecting softlinkint oliver_v5_library. It was published on January 15, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2021-47755?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-47755?
Check the references section for vendor advisories and patches from softlinkint. Update oliver_v5_library to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-47755?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-47755 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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