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CVE-2020-27633
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Source
https://nvd.nist.gov/vuln/detail/CVE-2020-27633
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-27633.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2020-27633
Published
2023-10-10T17:15:10Z
Modified
2024-09-03T03:24:20.817621Z
Severity
9.1 (Critical)
CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS Calculator
Summary
[none]
Details
In FNET 4.6.3, TCP ISNs are improperly random.
References
https://www.cisa.gov/news-events/ics-advisories/icsa-21-042-01
https://www.forescout.com
https://www.forescout.com/resources/numberjack-weak-isn-generation-in-embedded-tcpip-stacks/
Affected packages
Git
/
github.com/butok/fnet
Affected ranges
Type
GIT
Repo
https://github.com/butok/fnet
Events
Introduced
0
Unknown introduced commit / All previous commits are affected
Last affected
fb3c86df5573af27e119f5c7dfc7aa5bd52475a2
Affected versions
3.*
3.1.1
3.6.0
FNET_3.*
FNET_3.3.0
v3.*
v3.0.0
v3.2.0
v3.4.0
v3.5.0
v3.6.1
v3.7.0
v3.8.0
v3.8.1
v3.8.2
v3.9.0
v3.9.1
v3.9.2
v3.9.3
v3.9.3pre
v3.9.3prev
v3.9.3updated
v3.9.4
v4.*
v4.0.0
v4.0.1
v4.0.2
v4.1.0
v4.1.1
v4.2.0
v4.3.0
v4.4.0
v4.4.1
v4.5.0
v4.5.1
v4.5.2
v4.5.3
v4.6.0
v4.6.1
v4.6.2
v4.6.3
CVE-2020-27633 - OSV