SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2020-11899

Treck TCP/IP stack Out-of-Bounds Read Vulnerability

KEVMEDIUM 5.4EPSS 18.4%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 17 March 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

The Treck TCP/IP stack before 6.0.1.66 has an IPv6 Out-of-bounds Read.

CVSS 3.1
5.4 MEDIUMCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
EPSS
18.42% probability · 97th percentile
Public exploits
None in Exploit-DB
CISA KEV
Listed 3 March 2022 · due 17 March 2022
Weakness
CWE-125
Affected
treck/tcp\/ip · dell/wyse 5050 all-in-one firmware · dell/wyse 7030 firmware · dell/wyse 5030 firmware
Source
cve@mitre.org
EPSS trend
0%10%20%26 October 2026: 18.42%26 October 202626 October 2026

EPSS 18.4% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

CISA notes

Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2020-11899

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.