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Status published
Medium
CVE-2020-17470
An issue was discovered in FNET through 4.6.4. The code...
Vulnerability Description
An issue was discovered in FNET through 4.6.4. The code that initializes the DNS client interface structure does not set sufficiently random transaction IDs (they are always set to 1 in _fnet_dns_poll in fnet_dns.c). This significantly simplifies DNS cache poisoning attacks.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
More from butok
View All →CVE-2020-27633
In FNET 4.6.3, TCP ISNs are improperly random....
Critical
9.1
CVE-2020-24383
An issue was discovered in FNET through 4.6.4. The code...
Critical
9.1
CVE-2020-17469
An issue was discovered in FNET through 4.6.4. The code...
High
7.5
CVE-2020-17468
An issue was discovered in FNET through 4.6.4. The code...
High
7.5
CVE-2020-17467
An issue was discovered in FNET through 4.6.4. The code...
Critical
9.1
Affected Vendor
butok
View all reports →Affected Software
fnet
Vulnerable Versions:
0
Timeline
Official Publish:
December 11th, 2020
Last Modified:
August 4th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.