CVE-2026-20057 (GCVE-0-2026-20057)
Vulnerability from cvelistv5 – Published: 2026-03-04 17:47 – Updated: 2026-03-04 21:32
VLAI
EPSS
VEX
Title
Cisco Secure Firewall Threat Defense Software Snort 3 Visual Basic for Application Denial of Service Vulnerability
Summary
Multiple Cisco products are affected by a vulnerability in the Snort 3 Visual Basic for Applications (VBA) feature which could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to crash.
This vulnerability is due to lack of proper error checking when decompressing VBA data. An attacker could exploit this vulnerability by sending a crafted VBA data to the Snort 3 Detection Engine on the targeted device. A successful exploit could allow the attacker to cause the Snort 3 Detection Engine to unexpectedly restart causing a a denial of service (DoS) condition.
Severity
5.8 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-04 21:32 UTC
CWE
- CWE-369 - Divide By Zero
Assigner
References
1 reference
Impacted products
3 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Cisco | Cisco Cyber Vision |
Affected:
3.0.0
Affected: 3.0.2 Affected: 3.0.3 Affected: 3.0.1 Affected: 3.1.0 Affected: 3.0.4 Affected: 3.1.1 Affected: 3.1.2 Affected: 3.2.0 Affected: 3.0.5 Affected: 3.2.1 Affected: 3.0.6 Affected: 3.2.2 Affected: 3.2.3 Affected: 3.2.4 Affected: 4.0.0 Affected: 4.0.1 Affected: 4.0.2 Affected: 4.0.3 Affected: 4.1.0 Affected: 4.1.1 Affected: 4.1.2 Affected: 4.1.3 Affected: 4.1.4 Affected: 4.2.0 Affected: 4.2.1 Affected: 4.1.5 Affected: 4.2.2 Affected: 4.2.X Affected: 4.2.3 Affected: 4.2.4 Affected: 4.2.6 Affected: 4.1.6 Affected: 4.3.0 Affected: 4.3.1 Affected: 4.3.2 Affected: 4.3.3 Affected: 4.4.0 Affected: 4.4.1 Affected: 4.4.2 Affected: 4.4.3 Affected: 4.1.7 Affected: 5.0.0 Affected: 5.0.1 Affected: 5.0.2 Affected: 5.1.0 Affected: 5.1.1 Affected: 5.1.2 Affected: 5.1.3 Affected: 5.2.0 Affected: 5.2.1 Affected: 5.3.0 Affected: 5.3.1 |
guessed | |
| Cisco | Cisco Secure Firewall Threat Defense (FTD) Software |
Affected:
7.2.0
Affected: 7.2.0.1 Affected: 7.2.1 Affected: 7.3.0 Affected: 7.2.2 Affected: 7.2.3 Affected: 7.3.1 Affected: 7.2.4 Affected: 7.2.5 Affected: 7.2.4.1 Affected: 7.3.1.1 Affected: 7.4.0 Affected: 7.2.5.1 Affected: 7.4.1 Affected: 7.2.6 Affected: 7.4.1.1 Affected: 7.2.7 Affected: 7.2.5.2 Affected: 7.3.1.2 Affected: 7.2.8 Affected: 7.6.0 Affected: 7.4.2 Affected: 7.2.8.1 Affected: 7.4.2.1 Affected: 7.2.9 Affected: 7.7.0 Affected: 7.4.2.2 Affected: 7.2.10 Affected: 7.6.1 Affected: 7.4.2.3 Affected: 7.6.2 Affected: 7.7.10 Affected: 7.6.2.1 Affected: 7.7.10.1 Affected: 7.4.2.4 Affected: 7.2.10.2 Affected: 7.4.3 |
guessed | |
| Cisco | Cisco UTD SNORT IPS Engine Software |
Affected:
17.12.1a
Affected: 17.12.2 Affected: 17.13.1a Affected: 17.12.3 Affected: 17.14.1a Affected: 17.12.4 Affected: 17.12.3a Affected: 17.15.1a Affected: 17.16.1a Affected: 17.12.4a Affected: 17.15.2c Affected: 17.12.4b Affected: 17.15.2a Affected: 17.12.5 Affected: 17.17.1 Affected: 17.12.5a Affected: 17.15.3a Affected: 17.15.3 Affected: 17.12.5b Affected: 17.12.5c Affected: 17.15.4 Affected: 17.18.1 Affected: 17.18.1a Affected: 17.12.6 Affected: 17.15.4c Affected: 17.12.5d Affected: 17.18.2 |
guessed |
{
"containers": {
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{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-20057",
"options": [
{
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{
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{
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"role": "CISA Coordinator",
"timestamp": "2026-03-04T21:32:36.004303Z",
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"shortName": "CISA-ADP"
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"title": "CISA ADP Vulnrichment"
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{
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"version": "3.0.2"
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{
"status": "affected",
"version": "3.0.3"
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{
"status": "affected",
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
"status": "affected",
"version": "3.2.3"
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{
"status": "affected",
"version": "3.2.4"
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{
"status": "affected",
"version": "4.0.0"
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{
"status": "affected",
"version": "4.0.1"
},
{
"status": "affected",
"version": "4.0.2"
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{
"status": "affected",
"version": "4.0.3"
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{
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{
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"version": "4.1.1"
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{
"status": "affected",
"version": "4.1.2"
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{
"status": "affected",
"version": "4.1.3"
},
{
"status": "affected",
"version": "4.1.4"
},
{
"status": "affected",
"version": "4.2.0"
},
{
"status": "affected",
"version": "4.2.1"
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{
"status": "affected",
"version": "4.1.5"
},
{
"status": "affected",
"version": "4.2.2"
},
{
"status": "affected",
"version": "4.2.X"
},
{
"status": "affected",
"version": "4.2.3"
},
{
"status": "affected",
"version": "4.2.4"
},
{
"status": "affected",
"version": "4.2.6"
},
{
"status": "affected",
"version": "4.1.6"
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{
"status": "affected",
"version": "4.3.0"
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{
"status": "affected",
"version": "4.3.1"
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{
"status": "affected",
"version": "4.3.2"
},
{
"status": "affected",
"version": "4.3.3"
},
{
"status": "affected",
"version": "4.4.0"
},
{
"status": "affected",
"version": "4.4.1"
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{
"status": "affected",
"version": "4.4.2"
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{
"status": "affected",
"version": "4.4.3"
},
{
"status": "affected",
"version": "4.1.7"
},
{
"status": "affected",
"version": "5.0.0"
},
{
"status": "affected",
"version": "5.0.1"
},
{
"status": "affected",
"version": "5.0.2"
},
{
"status": "affected",
"version": "5.1.0"
},
{
"status": "affected",
"version": "5.1.1"
},
{
"status": "affected",
"version": "5.1.2"
},
{
"status": "affected",
"version": "5.1.3"
},
{
"status": "affected",
"version": "5.2.0"
},
{
"status": "affected",
"version": "5.2.1"
},
{
"status": "affected",
"version": "5.3.0"
},
{
"status": "affected",
"version": "5.3.1"
}
]
},
{
"defaultStatus": "unknown",
"product": "Cisco Secure Firewall Threat Defense (FTD) Software",
"vendor": "Cisco",
"versions": [
{
"status": "affected",
"version": "7.2.0"
},
{
"status": "affected",
"version": "7.2.0.1"
},
{
"status": "affected",
"version": "7.2.1"
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{
"status": "affected",
"version": "7.3.0"
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{
"status": "affected",
"version": "7.2.2"
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{
"status": "affected",
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{
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"version": "7.3.1"
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{
"status": "affected",
"version": "7.2.4"
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{
"status": "affected",
"version": "7.2.5"
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{
"status": "affected",
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{
"status": "affected",
"version": "7.3.1.1"
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{
"status": "affected",
"version": "7.4.0"
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{
"status": "affected",
"version": "7.2.5.1"
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{
"status": "affected",
"version": "7.4.1"
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{
"status": "affected",
"version": "7.2.6"
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{
"status": "affected",
"version": "7.4.1.1"
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{
"status": "affected",
"version": "7.2.7"
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{
"status": "affected",
"version": "7.2.5.2"
},
{
"status": "affected",
"version": "7.3.1.2"
},
{
"status": "affected",
"version": "7.2.8"
},
{
"status": "affected",
"version": "7.6.0"
},
{
"status": "affected",
"version": "7.4.2"
},
{
"status": "affected",
"version": "7.2.8.1"
},
{
"status": "affected",
"version": "7.4.2.1"
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{
"status": "affected",
"version": "7.2.9"
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{
"status": "affected",
"version": "7.7.0"
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{
"status": "affected",
"version": "7.4.2.2"
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{
"status": "affected",
"version": "7.2.10"
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{
"status": "affected",
"version": "7.6.1"
},
{
"status": "affected",
"version": "7.4.2.3"
},
{
"status": "affected",
"version": "7.6.2"
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{
"status": "affected",
"version": "7.7.10"
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{
"status": "affected",
"version": "7.6.2.1"
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{
"status": "affected",
"version": "7.7.10.1"
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{
"status": "affected",
"version": "7.4.2.4"
},
{
"status": "affected",
"version": "7.2.10.2"
},
{
"status": "affected",
"version": "7.4.3"
}
]
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{
"defaultStatus": "unknown",
"product": "Cisco UTD SNORT IPS Engine Software",
"vendor": "Cisco",
"versions": [
{
"status": "affected",
"version": "17.12.1a"
},
{
"status": "affected",
"version": "17.12.2"
},
{
"status": "affected",
"version": "17.13.1a"
},
{
"status": "affected",
"version": "17.12.3"
},
{
"status": "affected",
"version": "17.14.1a"
},
{
"status": "affected",
"version": "17.12.4"
},
{
"status": "affected",
"version": "17.12.3a"
},
{
"status": "affected",
"version": "17.15.1a"
},
{
"status": "affected",
"version": "17.16.1a"
},
{
"status": "affected",
"version": "17.12.4a"
},
{
"status": "affected",
"version": "17.15.2c"
},
{
"status": "affected",
"version": "17.12.4b"
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{
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"version": "17.15.2a"
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{
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"version": "17.12.5"
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{
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"version": "17.17.1"
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{
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{
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"version": "17.15.3"
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{
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{
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{
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{
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},
{
"status": "affected",
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{
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},
{
"status": "affected",
"version": "17.12.5d"
},
{
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"version": "17.18.2"
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],
"descriptions": [
{
"lang": "en",
"value": "Multiple Cisco products are affected by a vulnerability in the Snort 3 Visual Basic for Applications (VBA) feature which could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to crash.\u0026nbsp;\r\n\u0026nbsp;\r\nThis vulnerability is due to lack of proper error checking when decompressing VBA data. An attacker could exploit this vulnerability by sending a crafted VBA data to the Snort 3 Detection Engine on the targeted device. A successful exploit could allow the attacker to cause the Snort 3 Detection Engine to unexpectedly restart causing a a denial of service (DoS) condition."
}
],
"exploits": [
{
"lang": "en",
"value": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 5.8,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L",
"version": "3.1"
},
"format": "cvssV3_1"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-369",
"description": "Divide By Zero",
"lang": "en",
"type": "cwe"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-03-04T17:47:07.960Z",
"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"shortName": "cisco"
},
"references": [
{
"name": "cisco-sa-ftd-snort3-vbavuls-96UcVVed",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-snort3-vbavuls-96UcVVed"
}
],
"source": {
"advisory": "cisco-sa-ftd-snort3-vbavuls-96UcVVed",
"defects": [
"CSCwq23377"
],
"discovery": "INTERNAL"
},
"title": "Cisco Secure Firewall Threat Defense Software Snort 3 Visual Basic for Application Denial of Service Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"assignerShortName": "cisco",
"cveId": "CVE-2026-20057",
"datePublished": "2026-03-04T17:47:07.960Z",
"dateReserved": "2025-10-08T11:59:15.356Z",
"dateUpdated": "2026-03-04T21:32:46.370Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2026-20057",
"date": "2026-08-20",
"epss": "0.00432",
"percentile": "0.36257"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2026-20057\",\"sourceIdentifier\":\"psirt@cisco.com\",\"published\":\"2026-03-04T18:16:20.320\",\"lastModified\":\"2026-08-20T15:10:19.563\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Multiple Cisco products are affected by a vulnerability in the Snort 3 Visual Basic for Applications (VBA) feature which could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to crash.\u0026nbsp;\\r\\n\u0026nbsp;\\r\\nThis vulnerability is due to lack of proper error checking when decompressing VBA data. An attacker could exploit this vulnerability by sending a crafted VBA data to the Snort 3 Detection Engine on the targeted device. A successful exploit could allow the attacker to cause the Snort 3 Detection Engine to unexpectedly restart causing a a denial of service (DoS) condition.\"},{\"lang\":\"es\",\"value\":\"M\u00faltiples productos Cisco se ven afectados por una vulnerabilidad en la caracter\u00edstica de Visual Basic para Aplicaciones (VBA) de Snort 3 que podr\u00eda permitir a un atacante remoto no autenticado causar la ca\u00edda del motor de detecci\u00f3n de Snort 3.\\n\\nEsta vulnerabilidad se debe a la falta de una comprobaci\u00f3n de errores adecuada al descomprimir datos VBA. Un atacante podr\u00eda explotar esta vulnerabilidad enviando datos VBA manipulados al motor de detecci\u00f3n de Snort 3 en el dispositivo objetivo. Un exploit exitoso podr\u00eda permitir al atacante causar que el motor de detecci\u00f3n de Snort 3 se reinicie inesperadamente, provocando una condici\u00f3n de denegaci\u00f3n de servicio (DoS).\"}],\"affected\":[{\"source\":\"psirt@cisco.com\",\"affectedData\":[{\"vendor\":\"Cisco\",\"product\":\"Cisco Cyber 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"redhat_vex": {
"current_release_date": "2026-03-27T08:09:51+00:00",
"cve": "CVE-2026-20057",
"id": "CVE-2026-20057",
"initial_release_date": "2026-01-01T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "Cisco Secure Firewall Threat Defense Software Snort 3 Visual Basic for Application Denial of Service Vulnerability",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-20057.json",
"version": "3"
},
"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-20057\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-03-04T21:32:36.004303Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-03-04T21:32:41.238Z\"}}], \"cna\": {\"title\": \"Cisco Secure Firewall Threat Defense Software Snort 3 Visual Basic for Application Denial of Service Vulnerability\", \"source\": {\"defects\": [\"CSCwq23377\"], \"advisory\": \"cisco-sa-ftd-snort3-vbavuls-96UcVVed\", \"discovery\": \"INTERNAL\"}, \"metrics\": [{\"format\": \"cvssV3_1\", \"cvssV3_1\": {\"scope\": \"CHANGED\", \"version\": \"3.1\", \"baseScore\": 5.8, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"LOW\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"NONE\"}}], \"affected\": [{\"vendor\": \"Cisco\", \"product\": \"Cisco Cyber Vision\", \"versions\": [{\"status\": \"affected\", \"version\": \"3.0.0\"}, {\"status\": \"affected\", \"version\": \"3.0.2\"}, {\"status\": \"affected\", \"version\": \"3.0.3\"}, {\"status\": \"affected\", \"version\": \"3.0.1\"}, {\"status\": \"affected\", \"version\": \"3.1.0\"}, {\"status\": \"affected\", \"version\": \"3.0.4\"}, {\"status\": \"affected\", \"version\": \"3.1.1\"}, {\"status\": \"affected\", \"version\": \"3.1.2\"}, {\"status\": \"affected\", \"version\": \"3.2.0\"}, {\"status\": \"affected\", \"version\": \"3.0.5\"}, {\"status\": \"affected\", \"version\": \"3.2.1\"}, {\"status\": \"affected\", \"version\": \"3.0.6\"}, {\"status\": \"affected\", \"version\": \"3.2.2\"}, {\"status\": \"affected\", \"version\": \"3.2.3\"}, {\"status\": \"affected\", \"version\": \"3.2.4\"}, {\"status\": \"affected\", \"version\": \"4.0.0\"}, {\"status\": \"affected\", \"version\": \"4.0.1\"}, {\"status\": \"affected\", \"version\": \"4.0.2\"}, {\"status\": \"affected\", \"version\": \"4.0.3\"}, {\"status\": \"affected\", \"version\": \"4.1.0\"}, {\"status\": \"affected\", \"version\": \"4.1.1\"}, {\"status\": \"affected\", \"version\": \"4.1.2\"}, {\"status\": \"affected\", \"version\": \"4.1.3\"}, {\"status\": \"affected\", \"version\": \"4.1.4\"}, {\"status\": \"affected\", \"version\": \"4.2.0\"}, {\"status\": \"affected\", \"version\": \"4.2.1\"}, {\"status\": \"affected\", \"version\": \"4.1.5\"}, {\"status\": \"affected\", \"version\": \"4.2.2\"}, {\"status\": \"affected\", \"version\": \"4.2.X\"}, {\"status\": \"affected\", \"version\": \"4.2.3\"}, {\"status\": \"affected\", \"version\": \"4.2.4\"}, {\"status\": \"affected\", \"version\": \"4.2.6\"}, {\"status\": \"affected\", \"version\": \"4.1.6\"}, {\"status\": \"affected\", \"version\": \"4.3.0\"}, {\"status\": \"affected\", \"version\": \"4.3.1\"}, {\"status\": \"affected\", \"version\": \"4.3.2\"}, {\"status\": \"affected\", \"version\": \"4.3.3\"}, {\"status\": \"affected\", \"version\": \"4.4.0\"}, {\"status\": \"affected\", \"version\": \"4.4.1\"}, {\"status\": \"affected\", \"version\": \"4.4.2\"}, {\"status\": \"affected\", \"version\": \"4.4.3\"}, {\"status\": \"affected\", \"version\": \"4.1.7\"}, {\"status\": \"affected\", \"version\": \"5.0.0\"}, {\"status\": \"affected\", \"version\": \"5.0.1\"}, {\"status\": \"affected\", \"version\": \"5.0.2\"}, {\"status\": \"affected\", \"version\": \"5.1.0\"}, {\"status\": \"affected\", \"version\": \"5.1.1\"}, {\"status\": \"affected\", \"version\": \"5.1.2\"}, {\"status\": \"affected\", \"version\": \"5.1.3\"}, {\"status\": \"affected\", \"version\": \"5.2.0\"}, {\"status\": \"affected\", \"version\": \"5.2.1\"}, {\"status\": \"affected\", \"version\": \"5.3.0\"}, {\"status\": \"affected\", \"version\": \"5.3.1\"}], \"defaultStatus\": \"unknown\"}, {\"vendor\": \"Cisco\", \"product\": \"Cisco Secure Firewall Threat Defense (FTD) Software\", \"versions\": [{\"status\": \"affected\", \"version\": \"7.2.0\"}, {\"status\": \"affected\", \"version\": \"7.2.0.1\"}, {\"status\": \"affected\", \"version\": \"7.2.1\"}, {\"status\": \"affected\", \"version\": \"7.3.0\"}, {\"status\": \"affected\", \"version\": \"7.2.2\"}, {\"status\": \"affected\", \"version\": \"7.2.3\"}, {\"status\": \"affected\", \"version\": \"7.3.1\"}, {\"status\": \"affected\", \"version\": \"7.2.4\"}, {\"status\": \"affected\", \"version\": \"7.2.5\"}, {\"status\": \"affected\", \"version\": \"7.2.4.1\"}, {\"status\": \"affected\", \"version\": \"7.3.1.1\"}, {\"status\": \"affected\", \"version\": \"7.4.0\"}, {\"status\": \"affected\", \"version\": \"7.2.5.1\"}, {\"status\": \"affected\", \"version\": \"7.4.1\"}, {\"status\": \"affected\", \"version\": \"7.2.6\"}, {\"status\": \"affected\", \"version\": \"7.4.1.1\"}, {\"status\": \"affected\", \"version\": \"7.2.7\"}, {\"status\": \"affected\", \"version\": \"7.2.5.2\"}, {\"status\": \"affected\", \"version\": \"7.3.1.2\"}, {\"status\": \"affected\", \"version\": \"7.2.8\"}, {\"status\": \"affected\", \"version\": \"7.6.0\"}, {\"status\": \"affected\", \"version\": \"7.4.2\"}, {\"status\": \"affected\", \"version\": \"7.2.8.1\"}, {\"status\": \"affected\", \"version\": \"7.4.2.1\"}, {\"status\": \"affected\", \"version\": \"7.2.9\"}, {\"status\": \"affected\", \"version\": \"7.7.0\"}, {\"status\": \"affected\", \"version\": \"7.4.2.2\"}, {\"status\": \"affected\", \"version\": \"7.2.10\"}, {\"status\": \"affected\", \"version\": \"7.6.1\"}, {\"status\": \"affected\", \"version\": \"7.4.2.3\"}, {\"status\": \"affected\", \"version\": \"7.6.2\"}, {\"status\": \"affected\", \"version\": \"7.7.10\"}, {\"status\": \"affected\", \"version\": \"7.6.2.1\"}, {\"status\": \"affected\", \"version\": \"7.7.10.1\"}, {\"status\": \"affected\", \"version\": \"7.4.2.4\"}, {\"status\": \"affected\", \"version\": \"7.2.10.2\"}, {\"status\": \"affected\", \"version\": \"7.4.3\"}], \"defaultStatus\": \"unknown\"}, {\"vendor\": \"Cisco\", \"product\": \"Cisco UTD SNORT IPS Engine Software\", \"versions\": [{\"status\": \"affected\", \"version\": \"17.12.1a\"}, {\"status\": \"affected\", \"version\": \"17.12.2\"}, {\"status\": \"affected\", \"version\": \"17.13.1a\"}, {\"status\": \"affected\", \"version\": \"17.12.3\"}, {\"status\": \"affected\", \"version\": \"17.14.1a\"}, {\"status\": \"affected\", \"version\": \"17.12.4\"}, {\"status\": \"affected\", \"version\": \"17.12.3a\"}, {\"status\": \"affected\", \"version\": \"17.15.1a\"}, {\"status\": \"affected\", \"version\": \"17.16.1a\"}, {\"status\": \"affected\", \"version\": \"17.12.4a\"}, {\"status\": \"affected\", \"version\": \"17.15.2c\"}, {\"status\": \"affected\", \"version\": \"17.12.4b\"}, {\"status\": \"affected\", \"version\": \"17.15.2a\"}, {\"status\": \"affected\", \"version\": \"17.12.5\"}, {\"status\": \"affected\", \"version\": \"17.17.1\"}, {\"status\": \"affected\", \"version\": \"17.12.5a\"}, {\"status\": \"affected\", \"version\": \"17.15.3a\"}, {\"status\": \"affected\", \"version\": \"17.15.3\"}, {\"status\": \"affected\", \"version\": \"17.12.5b\"}, {\"status\": \"affected\", \"version\": \"17.12.5c\"}, {\"status\": \"affected\", \"version\": \"17.15.4\"}, {\"status\": \"affected\", \"version\": \"17.18.1\"}, {\"status\": \"affected\", \"version\": \"17.18.1a\"}, {\"status\": \"affected\", \"version\": \"17.12.6\"}, {\"status\": \"affected\", \"version\": \"17.15.4c\"}, {\"status\": \"affected\", \"version\": \"17.12.5d\"}, {\"status\": \"affected\", \"version\": \"17.18.2\"}], \"defaultStatus\": \"unknown\"}], \"exploits\": [{\"lang\": \"en\", \"value\": \"The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory.\"}], \"references\": [{\"url\": \"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-snort3-vbavuls-96UcVVed\", \"name\": \"cisco-sa-ftd-snort3-vbavuls-96UcVVed\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"Multiple Cisco products are affected by a vulnerability in the Snort 3 Visual Basic for Applications (VBA) feature which could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to crash.\u0026nbsp;\\r\\n\u0026nbsp;\\r\\nThis vulnerability is due to lack of proper error checking when decompressing VBA data. An attacker could exploit this vulnerability by sending a crafted VBA data to the Snort 3 Detection Engine on the targeted device. A successful exploit could allow the attacker to cause the Snort 3 Detection Engine to unexpectedly restart causing a a denial of service (DoS) condition.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"cwe\", \"cweId\": \"CWE-369\", \"description\": \"Divide By Zero\"}]}], \"providerMetadata\": {\"orgId\": \"d1c1063e-7a18-46af-9102-31f8928bc633\", \"shortName\": \"cisco\", \"dateUpdated\": \"2026-03-04T17:47:07.960Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2026-20057\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-03-04T21:32:46.370Z\", \"dateReserved\": \"2025-10-08T11:59:15.356Z\", \"assignerOrgId\": \"d1c1063e-7a18-46af-9102-31f8928bc633\", \"datePublished\": \"2026-03-04T17:47:07.960Z\", \"assignerShortName\": \"cisco\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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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.
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.
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