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UK Cyber Defence
VulnerabilityAnalyzed

CVE-2020-11899

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

KEVMEDIUM 5.4EPSS 18.6%

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
18.56% probability · 97th percentile
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

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. Refreshed daily.