CVE-2022-0028
Actively exploited. CVE-2022-0028 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-08-22) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
A Palo Alto Networks PAN-OS URL filtering policy misconfiguration could allow a network-based attacker to conduct reflected and amplified TCP denial-of-service (RDoS) attacks.
CSIRTS triage
- What
- The misconfiguration in URL filtering policy could allow for reflected and amplified TCP denial-of-service attacks.
- Who is affected
- Deployments of Palo Alto Networks PAN-OS are affected.
- Urgency
- Remediation is urgent due to the potential for denial-of-service attacks and the critical severity.
- Action
- Review and correct the URL filtering policy configuration.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 79% of all EPSS-scored CVEs.
Advisory coverage (1)
- criticalexploitedCVE-2022-0028: Palo Alto Networks PAN-OS Reflected Amplification Denial-of-Service Vulnerabilitycisa-kev · 2022-08-22
External references
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