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CVE-2022-0028: Palo Alto Networks PAN-OS Reflected Amplification Denial-of-Service Vulnerability

criticalknown exploitedCVE-2022-0028
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation 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

vendor: Palo Alto Networksproduct: PAN-OSDenial of serviceMisconfiguration
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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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2022-08-22
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2022-0028

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2022-0028coverage & exploitation statusNVD · CVE.org

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