CVSS v3
7.5
HIGH
EPSS Score
1.2 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
Misinterpretation of special domain name characters in dproxy-nexgen (aka dproxy nexgen) leads to cache poisoning because domain names and their associated IP addresses are cached in their misinterpreted form.
Technical details
- Published
- 2022-08-15
Frequently asked questions
What is CVE-2022-33990?
Misinterpretation of special domain name characters in dproxy-nexgen (aka dproxy nexgen) leads to cache poisoning because domain names and their associated IP addresses are cached in their misinterpreted form.
Is CVE-2022-33990 actively exploited?
Active exploitation of CVE-2022-33990 has not been confirmed. Its EPSS score was 1.2% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2022-33990?
CVE-2022-33990 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2022-33990 affecting your environment?
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