LOW
CVE-2019-20386
CWE-401Published: January 21, 2020· Updated: Jun 17, 2026
2.4
CVSS v3.1
Official Description
An issue was discovered in button_open in login/logind-button.c in systemd before 243. When executing the udevadm trigger command, a memory leak may occur.
Technical Analysis
CVE-2019-20386 requires local access, meaning attackers must already have a foothold on the target system.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorPhysical
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityLow
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Affected Vendors & Products
Canonical1 product(s)
ubuntu linux
Fedora1 product(s)
fedora
netapp3 product(s)
active iq unified managercloud backupsteelstore cloud integrated storage
openSUSE1 product(s)
leap
systemd_project1 product(s)
systemd
Source: NVD CPE · 9 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
ADVISORYhttps://usn.ubuntu.com/4269-1/
ADVISORYhttps://usn.ubuntu.com/4269-1/
All References (10)
→
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00014.htmlThird Party Advisory
→
https://github.com/systemd/systemd/commit/b2774a3ae692113e1f47a336a6c09bac9cfb49adPatch · Third Party Advisory
→
https://security.netapp.com/advisory/ntap-20200210-0002/Third Party Advisory
→
https://usn.ubuntu.com/4269-1/Third Party Advisory
→
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00014.htmlThird Party Advisory
→
https://github.com/systemd/systemd/commit/b2774a3ae692113e1f47a336a6c09bac9cfb49adPatch · Third Party Advisory
→
https://security.netapp.com/advisory/ntap-20200210-0002/Third Party Advisory
→
https://usn.ubuntu.com/4269-1/Third Party Advisory
Quick Facts
CVE IDCVE-2019-20386
CVSS Score2.4 / 10
SeverityLOW
WeaknessCWE-401
CISA KEVNo
Affected5 vendor(s)
PublishedJan 21, 2020
Related CVEs (CWE-401)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2019-20386 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.