CVE-2021-23017
A security issue in nginx resolver was identified, which might allow an attacker who is able to forge UDP packets from t
A security issue in nginx resolver was identified, which might allow an attacker who is able to forge UDP packets from the DNS server to cause 1-byte memory overwrite, resulting in worker process crash or potential other impact.
HIGH · CVSS 7.7
EPSS 0.73544
Act now
- EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
- EPSS percentile: top 1% of all CVEs by exploitation likelihood
- Public exploit or PoC is available
- CVSS base score ≥ 7.0
Sigma rules1
YARA rules0