HOMEVULNERABILITIESCVE-2019-5164
HIGH

CVE-2019-5164

CWE-306Published: December 3, 2019· Updated: Jun 17, 2026

7.8
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2019-5164 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

openSUSE2 product(s)
backports sleleap
shadowsocks1 product(s)
shadowsocks-libev
Source: NVD CPE · 3 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttp://lists.opensuse.org/opensuse-security-announce/2019-12/msg00023.html
ADVISORYhttp://lists.opensuse.org/opensuse-security-announce/2020-01/msg00061.html
ADVISORYhttps://talosintelligence.com/vulnerability_reports/TALOS-2019-0958
ADVISORYhttp://lists.opensuse.org/opensuse-security-announce/2019-12/msg00023.html
ADVISORYhttp://lists.opensuse.org/opensuse-security-announce/2020-01/msg00061.html
ADVISORYhttps://talosintelligence.com/vulnerability_reports/TALOS-2019-0958

All References (6)

→
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

Quick Facts

CVE IDCVE-2019-5164
CVSS Score7.8 / 10
SeverityHIGH
WeaknessCWE-306
CISA KEVNo
Affected2 vendor(s)
PublishedDec 3, 2019

Related CVEs (CWE-306)

CVE-2025-41656
10.0
CVE-2026-10577
10.0
CVE-2024-56799
10.0
CVE-2025-55108
10.0
CVE-2025-36535
10.0
CVE-2025-9574
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2019-5164 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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