synced 12 MIN AGO
01 Record

CVE-2020-11899

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

MediumKEVPUBLISHEDCNA: mitre
CNA base score5.4 CVSS v3.xCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
View raw JSON

02 Description

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

03 Exploitation and scoring

Exploitation
Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2022-03-03. Federal remediation due 2022-03-17.
SSVC decision
  • ExploitationactiveCISA reports credible evidence of active exploitation.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
18.42% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 97.1% of scored records. A rank, not a probability.
NVD base score
5.4 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
NVD analysis status
Analyzed. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2020-06-17 10:27Z6 YR AGO
Last updated
2025-10-21 23:35Z1 YR AGO
Reserved
2020-04-19
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Medium (CVSS 5.4)
CNA CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Weaknesses
Data version
5.1
Document digest
d6799d902c8590c8b558a75dff375d2fdf74be35807fcfa414a408ae7986c320

05 Affected products

VendorProductVersionsPlatforms
dellwyse_5030Not specified—
dellwyse_5030_firmwareNot specified—
dellwyse_5050_all-in-oneNot specified—
dellwyse_5050_all-in-one_firmwareNot specified—
dellwyse_7030Not specified—
dellwyse_7030_firmwareNot specified—
trecktcp/ipNot specified—

06 References