CVE-2020-27630
First published: Tue Oct 10 2023(Updated: )
In Silicon Labs uC/TCP-IP 3.6.0, TCP ISNs are improperly random.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Silabs Uc\/tcp-ip | =3.6.0 | |
| Multiple Nut/Net, Version 5.1 and prior | ||
| Multiple CycloneTCP, Version 1.9.6 and prior | ||
| Multiple NDKTCPIP, Version 2.25 and prior | ||
| Multiple FNET, Version 4.6.3 | ||
| Multiple uIP-Contiki-OS (end-of-life [EOL]), Version 3.0 and prior | ||
| Multiple uC/TCP-IP (EOL), Version 3.6.0 and prior | ||
| Multiple uIP-Contiki-NG, Version 4.5 and prior | ||
| Multiple uIP (EOL), Version 1.0 and prior | ||
| Multiple picoTCP-NG, Version 1.7.0 and prior | ||
| Multiple picoTCP (EOL), Version 1.7.0 and prior | ||
| Multiple MPLAB Net, Version 3.6.1 and prior | ||
| Multiple Nucleus NET, All versions prior to Version 5.2 | ||
| Multiple Nucleus ReadyStart for ARM, MIPS, and PPC, All versions prior to Version 2012.12 |
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Reference Links
Frequently Asked Questions
What is CVE-2020-27630?
CVE-2020-27630 is a vulnerability in Silicon Labs uC/TCP-IP 3.6.0 where TCP ISNs are improperly random.
What is the severity of CVE-2020-27630?
CVE-2020-27630 has a severity rating of 9.8 (critical).
How does CVE-2020-27630 affect Silicon Labs uC/TCP-IP?
CVE-2020-27630 affects Silicon Labs uC/TCP-IP 3.6.0 by improperly randomizing TCP ISNs.
What is the Common Weakness Enumeration (CWE) ID for CVE-2020-27630?
The CWE ID for CVE-2020-27630 is CWE-330.
How can I fix the vulnerability in Silicon Labs uC/TCP-IP 3.6.0 (CVE-2020-27630)?
To fix the vulnerability, it is recommended to update to a patched version of Silicon Labs uC/TCP-IP.
- collector/nvd-api
- collector/nvd-index
- agent/author
- agent/type
- agent/last-modified-date
- agent/first-publish-date
- agent/severity
- agent/weakness
- agent/references
- agent/description
- collector/ics-cert-advisory
- source/ICS
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- agent/softwarecombine
- agent/tags
- agent/event
- collector/mitre-cve
- source/MITRE
- vendor/silabs
- canonical/silabs uc\/tcp-ip
- version/silabs uc\/tcp-ip/3.6.0
- vendor/multiple
- canonical/multiple nut/net, version 5.1 and prior
- canonical/multiple cyclonetcp, version 1.9.6 and prior
- canonical/multiple ndktcpip, version 2.25 and prior
- canonical/multiple fnet, version 4.6.3
- canonical/multiple uip-contiki-os (end-of-life [eol]), version 3.0 and prior
- canonical/multiple uc/tcp-ip (eol), version 3.6.0 and prior
- canonical/multiple uip-contiki-ng, version 4.5 and prior
- canonical/multiple uip (eol), version 1.0 and prior
- canonical/multiple picotcp-ng, version 1.7.0 and prior
- canonical/multiple picotcp (eol), version 1.7.0 and prior
- canonical/multiple mplab net, version 3.6.1 and prior
- canonical/multiple nucleus net, all versions prior to version 5.2
- canonical/multiple nucleus readystart for arm, mips, and ppc, all versions prior to version 2012.12