MEDIUM
CVE-2020-11903
CWE-125Published: June 17, 2020· Updated: Jun 17, 2026
6.5
CVSS v3.1
Official Description
The Treck TCP/IP stack before 6.0.1.28 has a DHCP Out-of-bounds Read.
Technical Analysis
CVE-2020-11903 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.
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 complete confidentiality breach (data exposure), with a CVSS base score of 6.5.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorAdjacent
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected Vendors & Products
treck1 product(s)
tcp\/ip
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
ADVISORYhttps://www.treck.com
ADVISORYhttps://www.treck.com
All References (18)
→
https://jsof-tech.com/vulnerability-disclosure-policy/Third Party Advisory
→
→
https://www.jsof-tech.com/ripple20/Exploit · Third Party Advisory
→
https://www.kb.cert.org/vuls/id/257161/Mitigation · Third Party Advisory · US Government Resource
→
https://www.treck.comProduct · Vendor Advisory
→
https://jsof-tech.com/vulnerability-disclosure-policy/Third Party Advisory
→
→
https://www.jsof-tech.com/ripple20/Exploit · Third Party Advisory
Quick Facts
CVE IDCVE-2020-11903
CVSS Score6.5 / 10
SeverityMEDIUM
WeaknessCWE-125
CISA KEVNo
Affected1 vendor(s)
PublishedJun 17, 2020
Related CVEs (CWE-125)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2020-11903 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.COM. CVE data is provided under the NVD usage policy.