Buffer overflow in Treck Tcp\/ip

CVE-2020-11896

The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.

Vulnerability class: Buffer Overflow

EPSS: 0.370 (98.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-11896?
CVE-2020-11896 is a critical-severity vulnerability in Treck Tcp\/ip, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 10.0/10. Published 2020-06-17.
How severe is CVE-2020-11896?
Critical severity. CVSS v3 base score is 10.0 out of 10.
Is CVE-2020-11896 known to be exploited?
13 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.