CVE-2026-0229 (GCVE-0-2026-0229)
Vulnerability from cvelistv5 – Published: 2026-02-11 17:56 – Updated: 2026-02-11 18:58
VLAI
EPSS
VEX
Title
PAN-OS: Denial of Service in Advanced DNS Security Feature
Summary
A denial-of-service (DoS) vulnerability in the Advanced DNS Security (ADNS) feature of Palo Alto Networks PAN-OS® software enables an unauthenticated attacker to initiate system reboots using a maliciously crafted packet. Repeated attempts to initiate a reboot causes the firewall to enter maintenance mode.
Cloud NGFW and Prisma Access® are not impacted by this vulnerability.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-11 18:30 UTC
CWE
- CWE-754 - Improper Check for Unusual or Exceptional Conditions
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://security.paloaltonetworks.com/CVE-2026-0229 | vendor-advisory |
Impacted products
3 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Palo Alto Networks | Cloud NGFW |
Unaffected:
All
(custom)
|
guessed | |
| Palo Alto Networks | PAN-OS |
Affected:
12.1.0 , < 12.1.4
(custom)
Affected: 11.2.0 , < 11.2.10 (custom) Unaffected: 11.1.0 , < 11.1.11 (custom) Unaffected: 10.2.0 , < 10.2.17 (custom) cpe:2.3:o:palo_alto_networks:pan-os:12.1.3:*:*:*:*:*:*:* cpe:2.3:o:palo_alto_networks:pan-os:12.1.2:*:*:*:*:*:*:* cpe:2.3:o:palo_alto_networks:pan-os:11.2.9:*:*:*:*:*:*:* cpe:2.3:o:palo_alto_networks:pan-os:11.2.8:*:*:*:*:*:*:* cpe:2.3:o:palo_alto_networks:pan-os:11.2.7:*:*:*:*:*:*:* cpe:2.3:o:palo_alto_networks:pan-os:11.2.6:*:*:*:*:*:*:* cpe:2.3:o:palo_alto_networks:pan-os:11.2.5:*:*:*:*:*:*:* cpe:2.3:o:palo_alto_networks:pan-os:11.2.4:*:*:*:*:*:*:* cpe:2.3:o:palo_alto_networks:pan-os:11.2.3:*:*:*:*:*:*:* cpe:2.3:o:palo_alto_networks:pan-os:11.2.2:*:*:*:*:*:*:* cpe:2.3:o:palo_alto_networks:pan-os:11.2.1:*:*:*:*:*:*:* cpe:2.3:o:palo_alto_networks:pan-os:11.2.0:*:*:*:*:*:*:* |
||
| Palo Alto Networks | Prisma Access |
Unaffected:
All , < 10.2.10-h28
(custom)
|
guessed |
Date Public
2026-02-11 17:00
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:U/V:D/RE:M/U:Amber",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "NONE",
"vulnerabilityResponseEffort": "MODERATE"
},
"source": "psirt@paloaltonetworks.com",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-0229",
"options": [
{
"exploitation": "poc"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-02-11T18:30:06.401502Z",
"version": "2.0.3"
}
}
]
},
"published": "2026-02-11T18:16:07.897",
"references": [
{
"source": "psirt@paloaltonetworks.com",
"url": "https://security.paloaltonetworks.com/CVE-2026-0229"
}
],
"sourceIdentifier": "psirt@paloaltonetworks.com",
"vulnStatus": "Deferred",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-754"
}
],
"source": "psirt@paloaltonetworks.com",
"type": "Secondary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2026-02-12T19:28:51+00:00",
"cve": "CVE-2026-0229",
"id": "CVE-2026-0229",
"initial_release_date": "2026-02-11T17:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "PAN-OS: Denial of Service in Advanced DNS Security Feature",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-0229.json",
"version": "3"
},
"vulnrichment": {
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-0229",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-02-11T18:30:06.401502Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-02-11T18:58:42.955Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Cloud NGFW",
"vendor": "Palo Alto Networks",
"versions": [
{
"status": "unaffected",
"version": "All",
"versionType": "custom"
}
]
},
{
"cpes": [
"cpe:2.3:o:palo_alto_networks:pan-os:12.1.3:*:*:*:*:*:*:*",
"cpe:2.3:o:palo_alto_networks:pan-os:12.1.2:*:*:*:*:*:*:*",
"cpe:2.3:o:palo_alto_networks:pan-os:11.2.9:*:*:*:*:*:*:*",
"cpe:2.3:o:palo_alto_networks:pan-os:11.2.8:*:*:*:*:*:*:*",
"cpe:2.3:o:palo_alto_networks:pan-os:11.2.7:*:*:*:*:*:*:*",
"cpe:2.3:o:palo_alto_networks:pan-os:11.2.6:*:*:*:*:*:*:*",
"cpe:2.3:o:palo_alto_networks:pan-os:11.2.5:*:*:*:*:*:*:*",
"cpe:2.3:o:palo_alto_networks:pan-os:11.2.4:*:*:*:*:*:*:*",
"cpe:2.3:o:palo_alto_networks:pan-os:11.2.3:*:*:*:*:*:*:*",
"cpe:2.3:o:palo_alto_networks:pan-os:11.2.2:*:*:*:*:*:*:*",
"cpe:2.3:o:palo_alto_networks:pan-os:11.2.1:*:*:*:*:*:*:*",
"cpe:2.3:o:palo_alto_networks:pan-os:11.2.0:*:*:*:*:*:*:*"
],
"defaultStatus": "unaffected",
"product": "PAN-OS",
"vendor": "Palo Alto Networks",
"versions": [
{
"changes": [
{
"at": "12.1.4",
"status": "unaffected"
}
],
"lessThan": "12.1.4",
"status": "affected",
"version": "12.1.0",
"versionType": "custom"
},
{
"changes": [
{
"at": "11.2.10",
"status": "unaffected"
}
],
"lessThan": "11.2.10",
"status": "affected",
"version": "11.2.0",
"versionType": "custom"
},
{
"changes": [
{
"at": "11.1.11",
"status": "unaffected"
}
],
"lessThan": "11.1.11",
"status": "unaffected",
"version": "11.1.0",
"versionType": "custom"
},
{
"changes": [
{
"at": "10.2.17",
"status": "unaffected"
}
],
"lessThan": "10.2.17",
"status": "unaffected",
"version": "10.2.0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unaffected",
"product": "Prisma Access",
"vendor": "Palo Alto Networks",
"versions": [
{
"changes": [
{
"at": "11.2.7-h10",
"status": "unaffected"
},
{
"at": "10.2.10-h28",
"status": "unaffected"
}
],
"lessThan": "10.2.10-h28",
"status": "unaffected",
"version": "All",
"versionType": "custom"
}
]
}
],
"configurations": [
{
"lang": "eng",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "The firewall must have Advanced DNS Security (ADNS) enabled and a spyware profile with actions configured to block, sinkhole, or alert (i.e., any non-allow value)."
}
],
"value": "The firewall must have Advanced DNS Security (ADNS) enabled and a spyware profile with actions configured to block, sinkhole, or alert (i.e., any non-allow value)."
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:palo_alto_networks:pan-os:*:*:*:*:*:*:*:*",
"versionEndExcluding": "12.1.4",
"versionStartIncluding": "12.1.2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:palo_alto_networks:pan-os:*:*:*:*:*:*:*:*",
"versionEndExcluding": "11.2.10",
"versionStartIncluding": "11.2.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "OR"
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "an internal reporter, jliu@TikkalaSecurity,"
}
],
"datePublic": "2026-02-11T17:00:00.000Z",
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "A denial-of-service (DoS) vulnerability in the Advanced DNS Security (ADNS) feature of Palo Alto Networks PAN-OS\u00ae software enables an unauthenticated attacker to initiate system reboots using a maliciously crafted packet. Repeated attempts to initiate a reboot causes the firewall to enter maintenance mode.\u003cbr\u003e\u003cbr\u003eCloud NGFW and Prisma Access\u00ae are not impacted by this vulnerability."
}
],
"value": "A denial-of-service (DoS) vulnerability in the Advanced DNS Security (ADNS) feature of Palo Alto Networks PAN-OS\u00ae software enables an unauthenticated attacker to initiate system reboots using a maliciously crafted packet. Repeated attempts to initiate a reboot causes the firewall to enter maintenance mode.\n\nCloud NGFW and Prisma Access\u00ae are not impacted by this vulnerability."
}
],
"exploits": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "Palo Alto Networks is not aware of any malicious exploitation of this issue."
}
],
"value": "Palo Alto Networks is not aware of any malicious exploitation of this issue."
}
],
"impacts": [
{
"capecId": "CAPEC-153",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-153 Input Data Manipulation"
}
]
}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "YES",
"Recovery": "USER",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 6.6,
"baseSeverity": "MEDIUM",
"exploitMaturity": "UNREPORTED",
"privilegesRequired": "NONE",
"providerUrgency": "AMBER",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "DIFFUSE",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/AU:Y/R:U/V:D/RE:M/U:Amber",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "NONE",
"vulnerabilityResponseEffort": "MODERATE"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-754",
"description": "CWE-754 Improper Check for Unusual or Exceptional Conditions",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-02-11T17:56:09.270Z",
"orgId": "d6c1279f-00f6-4ef7-9217-f89ffe703ec0",
"shortName": "palo_alto"
},
"references": [
{
"tags": [
"vendor-advisory"
],
"url": "https://security.paloaltonetworks.com/CVE-2026-0229"
}
],
"solutions": [
{
"lang": "eng",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003ctable\u003e\u003cthead\u003e\u003ctr\u003e\u003cth\u003eVersion\u003cbr\u003e\u003c/th\u003e\u003cth\u003eMinor Version\u003cbr\u003e\u003c/th\u003e\u003cth\u003eSuggested Solution\u003cbr\u003e\u003c/th\u003e\u003c/tr\u003e\u003c/thead\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd\u003eCloud NGFW All\u003c/td\u003e\u003ctd\u003e\u0026nbsp;\u003c/td\u003e\u003ctd\u003eNo action needed.\u0026nbsp;\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\n \u003ctd\u003ePAN-OS 12.1\u003cbr\u003e\u003c/td\u003e\n \u003ctd\u003e12.1.2 through 12.1.3\u003c/td\u003e\n \u003ctd\u003eUpgrade to 12.1.4 or later.\u003c/td\u003e\n \u003c/tr\u003e\u003ctr\u003e\n \u003ctd\u003ePAN-OS 11.2\u003cbr\u003e\u003c/td\u003e\n \u003ctd\u003e11.2.0 through 11.2.9\u003c/td\u003e\n \u003ctd\u003eUpgrade to 11.2.10 or later.\u003c/td\u003e\n \u003c/tr\u003e\u003ctr\u003e\u003ctd\u003ePAN-OS 11.1\u003cbr\u003e\u003c/td\u003e\u003ctd\u003e\u003c/td\u003e\u003ctd\u003eNo action needed.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003ePAN-OS 10.2\u003cbr\u003e\u003c/td\u003e\u003ctd\u003e\u003c/td\u003e\u003ctd\u003eNo action needed.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eAll older\u003cbr\u003eunsupported\u003cbr\u003ePAN-OS versions\u003c/td\u003e\u003ctd\u003e\u0026nbsp;\u003c/td\u003e\u003ctd\u003eUpgrade to a supported fixed version.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003ePrisma Access All\u003c/td\u003e\u003ctd\u003e\u003c/td\u003e\u003ctd\u003eNo action needed.\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e"
}
],
"value": "VERSION MINOR VERSION SUGGESTED SOLUTION\nCloud NGFW All \u00a0 No action needed.\u00a0\nPAN-OS 12.1 12.1.2 through 12.1.3 Upgrade to 12.1.4 or later.\nPAN-OS 11.2 11.2.0 through 11.2.9 Upgrade to 11.2.10 or later.\nPAN-OS 11.1 No action needed.\nPAN-OS 10.2 No action needed.\nAll older \u00a0 Upgrade to a supported fixed version.\nunsupported\nPAN-OS versions\nPrisma Access All No action needed."
}
],
"source": {
"discovery": "INTERNAL"
},
"timeline": [
{
"lang": "en",
"time": "2026-02-11T17:00:00.000Z",
"value": "Initial Publication"
}
],
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"lang": "eng",
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"base64": false,
"type": "text/html",
"value": "No known workarounds exist for this issue. Due to the nature of this vulnerability, a Threat Prevention Signature to detect this is also not possible.\u0026nbsp;"
}
],
"value": "No known workarounds exist for this issue. Due to the nature of this vulnerability, a Threat Prevention Signature to detect this is also not possible."
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"cveId": "CVE-2026-0229",
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"dateReserved": "2025-11-03T20:43:50.406Z",
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"state": "PUBLISHED"
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}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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