CVSS v3
9.8
CRITICAL
EPSS Score
1.8 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
totd 1.5.3 uses a fixed UDP source port in upstream queries sent to DNS resolvers. This allows DNS cache poisoning because there is not enough entropy to prevent traffic injection attacks.
Technical details
- Published
- 2022-08-15
Frequently asked questions
What is CVE-2022-34294?
totd 1.5.3 uses a fixed UDP source port in upstream queries sent to DNS resolvers. This allows DNS cache poisoning because there is not enough entropy to prevent traffic injection attacks.
Is CVE-2022-34294 actively exploited?
Active exploitation of CVE-2022-34294 has not been confirmed. Its EPSS score was 1.8% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2022-34294?
CVE-2022-34294 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2022-34294 affecting your environment?
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