HIGH
CVE-2019-20428
CWE-125Published: January 27, 2020· Updated: Jun 17, 2026
7.5
CVSS v3.1
Official Description
In the Lustre file system before 2.12.3, the ptlrpc module has an out-of-bounds read and panic due to the lack of validation for specific fields of packets sent by a client. The ldl_request_cancel function mishandles a large lock_count parameter.
Technical Analysis
CVE-2019-20428 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Vendors & Products
lustre1 product(s)
lustre
Source: NVD CPE · 1 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://lustre.org/
ADVISORYhttp://lustre.org/
All References (8)
→
http://lustre.org/Product · Vendor Advisory
→
http://wiki.lustre.org/Lustre_2.12.3_ChangelogRelease Notes · Vendor Advisory
→
https://jira.whamcloud.com/browse/LU-12603Third Party Advisory
→
https://review.whamcloud.com/#/c/36108/Third Party Advisory
→
http://lustre.org/Product · Vendor Advisory
→
http://wiki.lustre.org/Lustre_2.12.3_ChangelogRelease Notes · Vendor Advisory
→
https://jira.whamcloud.com/browse/LU-12603Third Party Advisory
→
https://review.whamcloud.com/#/c/36108/Third Party Advisory
Quick Facts
CVE IDCVE-2019-20428
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-125
CISA KEVNo
Affected1 vendor(s)
PublishedJan 27, 2020
Related CVEs (CWE-125)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2019-20428 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.