CVE-2020-27336 json
An issue was discovered in Treck IPv6 before 6.0.1.68.
published 2020-12-22 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-19849
- cvss
- 3.7
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.7%
- EPSS 1.7% chance of exploitation in 30 days, percentile 77%
- public exploits
- 0
- none known
Summary
An issue was discovered in Treck IPv6 before 6.0.1.68. Improper input validation in the IPv6 component when handling a packet sent by an unauthenticated remote attacker could result in an out-of-bounds read of up to three bytes via network access.
Patch / fix
- treck ipv6 6.0.1.68
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-20-353-01 updated cvss 3.7
Treck TCP/IP Stack (Update A)
-
Treck Inc TCP/IP stack DHCPv6 <= 6.0.1.67 Treck Inc TCP/IP stack HTTP Server <= 6.0.1.67 Treck Inc TCP/IP stack IPv6 <= 6.0.1.67affected: mitigation “Treck recommends users apply the latest version of the affected products (Treck TCP/IP 6.0.1.68 or later versions). To obtain patches, email security@treck.com” treck.com
From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- total
- Assessed
- 13 mo ago
Exploit prediction
1.68% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 3.7 | CVSS:3.1/AC:H/AV:N/A:N/C:L/I:N/PR:N/S:U/UI:N |
| CNA | 3.1 | 3.7 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N |
| NVD | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Classification
References
-
treck.com
/vulnerability-response-information/
vendor-advisory
-
security.netapp.com
/advisory/ntap-20210201-0003/
third-party-advisory
Sources
- CVE List CVE-2020-27336
- NVD CVE-2020-27336
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