CVE-2026-20187 (GCVE-0-2026-20187)
Vulnerability from cvelistv5 – Published: 2026-07-15 16:18 – Updated: 2026-08-14 21:00CVE Program bundle warning
The CVE Program recognizes that this CVE Record provides vulnerability information that a Supplier CNA believes is very important to consumers. The CVE Program has flagged this CVE Record as it assigns a single CVE ID to a collection of individual vulnerabilities which does not align with CVE's "one vulnerability, one ID" principle, and therefore provides incomplete information. For further clarification, please see the CVE Program's blog, "Preserving Vulnerability-Level Identification" linked below. Details within the CNA container below are viewable by clicking on the CNA name.
https://www.cve.org/Media/News/item/blog/2026/06/…- CWE-703 - Improper Check or Handling of Exceptional Conditions
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Cisco | Cisco RoomOS Software |
Affected:
RoomOS 10.11.2.2
Affected: RoomOS 10.15.2.2 Affected: RoomOS 11.5.4.6 Affected: RoomOS 11.5.2.4 Affected: RoomOS 10.8.2.5 Affected: RoomOS 10.11.5.2 Affected: RoomOS 10.11.3.0 Affected: RoomOS 10.15.5.3 Affected: RoomOS 10.19.2.2 Affected: RoomOS 11.1.3.1 Affected: RoomOS 10.11.6.0 Affected: RoomOS 10.19.3.0 Affected: RoomOS 10.19.4.2 Affected: RoomOS 10.3.2.4 Affected: RoomOS 10.3.4.0 Affected: RoomOS 10.15.3.0 Affected: RoomOS 11.1.4.1 Affected: RoomOS 11.14.2.3 Affected: RoomOS 11.1.2.4 Affected: RoomOS 10.8.3.1 Affected: RoomOS 11.14.2.1 Affected: RoomOS 10.3.3.0 Affected: RoomOS 10.8.4.0 Affected: RoomOS 10.15.4.1 Affected: RoomOS 10.19.5.6 Affected: RoomOS 10.11.4.1 Affected: RoomOS 11.9.3.1 Affected: RoomOS 11.5.3.3 Affected: RoomOS 10.3.2.0 Affected: RoomOS 11.9.2.4 Affected: RoomOS 11.14.3.0 Affected: RoomOS 11.17.2.2 Affected: RoomOS 11.14.4.0 Affected: RoomOS 10.19 StepUpg Affected: RoomOS 11.17.3.0 Affected: RoomOS 11.20.2.3 Affected: RoomOS 11.14.5.0 Affected: RoomOS 11.17.4.0 Affected: RoomOS 11.20.3.0 Affected: RoomOS 11.23.1.6 Affected: RoomOS 11.23.1.8 Affected: RoomOS 11.24.1.5 Affected: RoomOS 11.24.2.4 Affected: RoomOS 11.24.3.0 Affected: RoomOS 11.24.4.1 Affected: RoomOS 11.27.2.0 Affected: RoomOS 11.28.1.3 Affected: RoomOS 11.27.3.0 Affected: RoomOS 11.31.1.5 Affected: RoomOS 11.27.4.0 Affected: RoomOS 11.32.2.1 Affected: RoomOS 11.33.1.7 Affected: RoomOS 26.0.1.2 Affected: RoomOS 11.34.1.2 Affected: RoomOS 11.32.3.0 Affected: RoomOS 11.27.5.0 Affected: RoomOS 11.32.4.0 Affected: RoomOS 26.1.1.5 Affected: RoomOS 11.35.1.2 Affected: RoomOS 26.2.2.2 Affected: RoomOS 11.32.5.1 Affected: RoomOS 26.4.1.6 Affected: RoomOS 26.4.1.4 Affected: RoomOS 26.3.1.3 Affected: RoomOS 11.36.1.1 Affected: RoomOS 11.37.1.0 Affected: RoomOS 26.5.2.0 |
guessed |
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"vulnrichment": {
"containers": {
"adp": [
{
"descriptions": [
{
"lang": "en",
"value": "The CVE Program recognizes that this CVE Record provides vulnerability information that a Supplier CNA believes is very important to consumers. The CVE Program has flagged this CVE Record as it assigns a single CVE ID to a collection of individual vulnerabilities which does not align with CVE\u0027s \"one vulnerability, one ID\" principle, and therefore provides incomplete information. For further clarification, please see the CVE Program\u0027s blog, \"Preserving Vulnerability-Level Identification\" linked below. Details within the CNA container below are viewable by clicking on the CNA name."
}
],
"providerMetadata": {
"dateUpdated": "2026-08-14T21:00:52.536Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"url": "https://www.cve.org/Media/News/item/blog/2026/06/16/Preserving-Vulnerability-Level-Identification"
}
],
"tags": [
"x_bundling-flagged-by-CVE-Program"
]
},
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-20187",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-07-15T18:04:49.118521Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-07-15T18:04:54.355Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unknown",
"product": "Cisco RoomOS Software",
"vendor": "Cisco",
"versions": [
{
"status": "affected",
"version": "RoomOS 10.11.2.2"
},
{
"status": "affected",
"version": "RoomOS 10.15.2.2"
},
{
"status": "affected",
"version": "RoomOS 11.5.4.6"
},
{
"status": "affected",
"version": "RoomOS 11.5.2.4"
},
{
"status": "affected",
"version": "RoomOS 10.8.2.5"
},
{
"status": "affected",
"version": "RoomOS 10.11.5.2"
},
{
"status": "affected",
"version": "RoomOS 10.11.3.0"
},
{
"status": "affected",
"version": "RoomOS 10.15.5.3"
},
{
"status": "affected",
"version": "RoomOS 10.19.2.2"
},
{
"status": "affected",
"version": "RoomOS 11.1.3.1"
},
{
"status": "affected",
"version": "RoomOS 10.11.6.0"
},
{
"status": "affected",
"version": "RoomOS 10.19.3.0"
},
{
"status": "affected",
"version": "RoomOS 10.19.4.2"
},
{
"status": "affected",
"version": "RoomOS 10.3.2.4"
},
{
"status": "affected",
"version": "RoomOS 10.3.4.0"
},
{
"status": "affected",
"version": "RoomOS 10.15.3.0"
},
{
"status": "affected",
"version": "RoomOS 11.1.4.1"
},
{
"status": "affected",
"version": "RoomOS 11.14.2.3"
},
{
"status": "affected",
"version": "RoomOS 11.1.2.4"
},
{
"status": "affected",
"version": "RoomOS 10.8.3.1"
},
{
"status": "affected",
"version": "RoomOS 11.14.2.1"
},
{
"status": "affected",
"version": "RoomOS 10.3.3.0"
},
{
"status": "affected",
"version": "RoomOS 10.8.4.0"
},
{
"status": "affected",
"version": "RoomOS 10.15.4.1"
},
{
"status": "affected",
"version": "RoomOS 10.19.5.6"
},
{
"status": "affected",
"version": "RoomOS 10.11.4.1"
},
{
"status": "affected",
"version": "RoomOS 11.9.3.1"
},
{
"status": "affected",
"version": "RoomOS 11.5.3.3"
},
{
"status": "affected",
"version": "RoomOS 10.3.2.0"
},
{
"status": "affected",
"version": "RoomOS 11.9.2.4"
},
{
"status": "affected",
"version": "RoomOS 11.14.3.0"
},
{
"status": "affected",
"version": "RoomOS 11.17.2.2"
},
{
"status": "affected",
"version": "RoomOS 11.14.4.0"
},
{
"status": "affected",
"version": "RoomOS 10.19 StepUpg"
},
{
"status": "affected",
"version": "RoomOS 11.17.3.0"
},
{
"status": "affected",
"version": "RoomOS 11.20.2.3"
},
{
"status": "affected",
"version": "RoomOS 11.14.5.0"
},
{
"status": "affected",
"version": "RoomOS 11.17.4.0"
},
{
"status": "affected",
"version": "RoomOS 11.20.3.0"
},
{
"status": "affected",
"version": "RoomOS 11.23.1.6"
},
{
"status": "affected",
"version": "RoomOS 11.23.1.8"
},
{
"status": "affected",
"version": "RoomOS 11.24.1.5"
},
{
"status": "affected",
"version": "RoomOS 11.24.2.4"
},
{
"status": "affected",
"version": "RoomOS 11.24.3.0"
},
{
"status": "affected",
"version": "RoomOS 11.24.4.1"
},
{
"status": "affected",
"version": "RoomOS 11.27.2.0"
},
{
"status": "affected",
"version": "RoomOS 11.28.1.3"
},
{
"status": "affected",
"version": "RoomOS 11.27.3.0"
},
{
"status": "affected",
"version": "RoomOS 11.31.1.5"
},
{
"status": "affected",
"version": "RoomOS 11.27.4.0"
},
{
"status": "affected",
"version": "RoomOS 11.32.2.1"
},
{
"status": "affected",
"version": "RoomOS 11.33.1.7"
},
{
"status": "affected",
"version": "RoomOS 26.0.1.2"
},
{
"status": "affected",
"version": "RoomOS 11.34.1.2"
},
{
"status": "affected",
"version": "RoomOS 11.32.3.0"
},
{
"status": "affected",
"version": "RoomOS 11.27.5.0"
},
{
"status": "affected",
"version": "RoomOS 11.32.4.0"
},
{
"status": "affected",
"version": "RoomOS 26.1.1.5"
},
{
"status": "affected",
"version": "RoomOS 11.35.1.2"
},
{
"status": "affected",
"version": "RoomOS 26.2.2.2"
},
{
"status": "affected",
"version": "RoomOS 11.32.5.1"
},
{
"status": "affected",
"version": "RoomOS 26.4.1.6"
},
{
"status": "affected",
"version": "RoomOS 26.4.1.4"
},
{
"status": "affected",
"version": "RoomOS 26.3.1.3"
},
{
"status": "affected",
"version": "RoomOS 11.36.1.1"
},
{
"status": "affected",
"version": "RoomOS 11.37.1.0"
},
{
"status": "affected",
"version": "RoomOS 26.5.2.0"
}
]
}
],
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"lang": "en",
"value": "As part of Cisco\u0027s ongoing commitment to proactive security and product quality, the Cisco RoomOS engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities.\r\n\r\nThe vulnerabilities tracked by CVE-2026-20187 are related to improper handling of exceptional conditions that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-703."
}
],
"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": [
{
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"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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],
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"description": "Improper Check or Handling of Exceptional Conditions",
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}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-07-15T16:18:37.525Z",
"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"shortName": "cisco"
},
"references": [
{
"name": "cisco-sa-hardening-roomos-AqNMbEq",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-roomos-AqNMbEq"
}
],
"source": {
"advisory": "cisco-sa-hardening-roomos-AqNMbEq",
"defects": [
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],
"discovery": "INTERNAL"
},
"title": "Cisco RoomOS Security Hardening Release - Exceptional Conditions Handling Vulnerabilities"
}
},
"cveMetadata": {
"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"assignerShortName": "cisco",
"cveId": "CVE-2026-20187",
"datePublished": "2026-07-15T16:18:37.525Z",
"dateReserved": "2025-10-08T11:59:15.394Z",
"dateUpdated": "2026-08-14T21:00:52.536Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
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}
}
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.
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.
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.