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CVE-2020-11900

32
FAUCET Score

CVE-2020-11900 is a critical double free vulnerability in the Treck TCP/IP stack, specifically affecting versions prior to 6.0.1.41, impacting various embedded devices utilizing this stack. With a CVSS score of 8.2 (High), it allows unauthenticated attackers to remotely trigger a denial of service and potentially achieve limited data integrity impact. While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion and media coverage, indicating awareness. Organizations using affected Treck TCP/IP stack versions should prioritize patching to mitigate this high-severity risk.

Impacted Technologies

VendorProductVersion(s)CPE
< 6.0.1.41CPE matchmatch criteria
cpe:2.3:a:treck:tcp\/ip:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.2HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
4.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
13.20%
Probability of exploitation in next 30 days
EPSS Percentile
96.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.1320 is in the 94th percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

jsof-tech.com / vulnerability-disclosure-policy
Third Party Advisory
security.netapp.com / advisory/ntap-20200625-0006
support.hpe.com / hpesc/public/docDisplay
tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-treck-ip-stack-JyBQ5GyC
Third Party Advisory
dell.com / support/article/de-de/sln321836/dell-response-to-the-ripple20-vulnerabilities
intel.com / content/www/us/en/security-center/advisory/intel-sa-00295.html
Not ApplicableThird Party Advisory
jsof-tech.com / ripple20
ExploitThird Party Advisory
kb.cert.org / vuls/id/257161
kb.cert.org / vuls/id/257161
MitigationThird Party AdvisoryUS Government Resource
treck.com
ProductVendor Advisory
arubanetworks.com / assets/alert/ARUBA-PSA-2020-006.txt