CVE-2019-5163
7.5 · HIGHOverview
CVE-2019-5163 is a high-severity vulnerability affecting shadowsocks shadowsocks-libev. It was published on December 3, 2019 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
An exploitable denial-of-service vulnerability exists in the UDPRelay functionality of Shadowsocks-libev 3.3.2. When utilizing a Stream Cipher and a local_address, arbitrary UDP packets can cause a FATAL error code path and exit. An attacker can send arbitrary UDP packets to trigger this vulnerability.
Remediation
Check the references section for vendor advisories and patches from shadowsocks. Update shadowsocks-libev 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 |
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References
Frequently Asked Questions
What is CVE-2019-5163?
CVE-2019-5163 is a high-severity vulnerability affecting shadowsocks shadowsocks-libev. It was published on December 3, 2019 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2019-5163?
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-2019-5163?
Check the references section for vendor advisories and patches from shadowsocks. Update shadowsocks-libev 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-2019-5163?
CyberStrike's AI-powered security agents can automatically detect CVE-2019-5163 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.
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