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TI-2019-03620 Aliases CVE-2019-5164GHSA-rcm9-p88f-cmqm

Missing authentication in Shadowsocks

Priority LOW 35CWE-306Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-306.

Summary

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.

Why it matters now

EPSS 0.0077 55th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—ShadowsocksShadowsocks-libev 3.3.2—No fix listedCNA
  • Shadowsocks Vendor— Affected Shadowsocks-libev 3.3.2 Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:shadowsocks:shadowsocks-libev:3.3.2:*:*:*:*:*:*:*3.3.2VulnerableShadowsocks
cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:*15.0 sp1VulnerableopenSUSE
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*15.1VulnerableopenSUSE
  • cpe:2.3:a:shadowsocks:shadowsocks-libev:3.3.2:*:*:*:*:*:*:* Versions 3.3.2 Vulnerable ·Shadowsocks
  • cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:* Versions 15.0 sp1 Vulnerable ·openSUSE
  • cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* Versions 15.1 Vulnerable ·openSUSE

Remediation

No fixed version listed by the sources yet.

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    Shadowsocks — openSUSE-SU-2019:2667

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2019-03619 Missing authentication in ShadowsocksPriority LOW 38
    Show all 2 records → Advisory →
  • Advisory ·

    Shadowsocks — openSUSE-SU-2020:0142

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2019-03619 Missing authentication in ShadowsocksPriority LOW 38
    Show all 2 records → Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-5164
  2. 2026-10-03 Alias added: GHSA-rcm9-p88f-cmqm

References

Exploit 1

Advisory 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences