Out-of-bounds Read in Treck Tcp\/ip

CVE-2020-11901

The Treck TCP/IP stack before 6.0.1.66 allows Remote Code execution via a single invalid DNS response.

Vulnerability class: Buffer Overflow

EPSS: 0.211 (97.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:H/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-2020-11901?
CVE-2020-11901 is a critical-severity vulnerability in Treck Tcp\/ip, classified under Out-of-bounds Read. CVSS score: 9.0/10. Published 2020-06-17.
How severe is CVE-2020-11901?
Critical severity. CVSS v3 base score is 9.0 out of 10.
Is CVE-2020-11901 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.