CVE-2019-5164

Name: CVE-2019-5164
Creator: NVD / NIST
Published: 2019-12-03T22:15:15.433+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.73%

Last modified Jun 17, 2026

CVE-2019-5164 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. An exploitable code execution vulnerability exists in the ss-manager binary of Shadowsocks-libev 3.3.2. Specially crafted network packets sent to ss-manager can cause an arbitrary binary to run, resulting in code execution and privilege escalation. EPSS estimates a 0.73% chance of exploitation in the next 30 days.

Description

An exploitable code execution vulnerability exists in the ss-manager binary of Shadowsocks-libev 3.3.2. Specially crafted network packets sent to ss-manager can cause an arbitrary binary to run, resulting in code execution and privilege escalation. An attacker can send network packets to trigger this vulnerability.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.73%

49.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions	Update
Shadowsocks	Shadowsocks-Libev	3.3.2	—
Opensuse	Backports Sle	15.0	Sp1
Opensuse	Leap	15.1	—

References

http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00023.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00061.htmlMailing List, Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0958Exploit, Mitigation, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00023.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00061.htmlMailing List, Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0958Exploit, Mitigation, Third Party Advisory

Timeline

Published: Dec 3, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-5164?

How severe is CVE-2019-5164?

CVE-2019-5164 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.73% probability of exploitation in the next 30 days.

How do I fix CVE-2019-5164?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-5164?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST