CVE-2022-0028
PAN-OS: Reflected Amplification Denial-of-Service (DoS) Vulnerability in URL Filtering
Exploited in the wild. In CISA KEV since 2022‑08‑22. Fixed versions are out.
What to do
Find your product and version, then upgrade to the build on the right.
- Palo Alto Networks PAN-OSAffected: ≥ 8.1, < 8.1.23-h1Upgrade to: 8.1.23-h1Affected: ≥ 9.0, < 9.0.16-h3Upgrade to: 9.0.16-h3Affected: ≥ 9.1, < 9.1.14-h4Upgrade to: 9.1.14-h4Affected: ≥ 10.0, < 10.0.11-h1Upgrade to: 10.0.11-h1 + 2 more branchesStated by: CVE record
- Palo Alto Networks Cloud NGFWFixed buildsAllStated by: CVE record
- Palo Alto Networks Prisma AccessFixed builds2.1 All, 2.2 All, 3.0 All, 3.1 AllStated by: CVE record
- Paloaltonetworks Pan-osAffected: ≥ 8.1.0, < 8.1.23Upgrade to: 8.1.23Stated by: NVD
Versions as the sources state them. Full version matrix after sign-in
Coverage timeline
0 publishersAdded to CISA KEV catalog
Sourced from public security reporting — each date is when it was published, not when it happened.
What it is
From the CVE record
Palo Alto Networks has published [1] information on vulnerabilities in PAN-OS. This advisory lists the related Siemens Industrial products affected by these vulnerabilities. Siemens is preparing updates and recommends specific countermeasures for products where updates are not, or not yet available. Customers are advised to consult and implement the workarounds provided in Palo Alto Networks' upstream security notifications. [1] https://security.paloaltonetworks.com/?version=10.2.2&product=PAN-OS
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Listed as exploited in the wild since 2022-08-22.
US federal agencies must remediate by 2022-09-12.
Apply updates per vendor instructions.
- Public exploits
0 sources with a proof of concept or module.
Exploit links, PoCs and Metasploit modules after sign-in- EPSS
2.5% chance of exploitation activity in the next 30 days, which ranks it in the 85th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
- Attention now
Sustained.
Lifecycle
7 events over 1415 days, from the signal feeds we watch.
- OpenVAS check added
- Patch availableworkaround available, record updated
- Added to CISA KEV
- Publishedweakness classified
Affected products
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Scored 8.6 by NVD.
How it is reached
- Attack Vector NetworkExploitable remotely over the network without any special conditions
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required NoneNo authentication required — anyone can exploit this
- User Interaction NoneNo user interaction needed — fully automated exploitation
Scope
- Scope ChangedThe exploit can affect other components (e.g. sandbox escape, host compromise from VM)
Impact if exploited
- Confidentiality NoneNo confidentiality impact
- Integrity NoneNo integrity impact
- Availability HighTotal denial of service — the component is completely unavailable
Weaknesses
Sources
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