Security readout for executives and security teams
This flaw can let a remote unauthenticated actor crash a Cisco IOS XR service by sending repeated gRPC requests. The impact is availability only, not data theft or device takeover. Business urgency depends on whether affected IOS XR devices expose gRPC to untrusted networks. Most relevant exposure is Cisco IOS XR Software on devices where gRPC is enabled and reachable. The provided sources do not enumerate specific hardware platforms or affected release ranges, only that the issue is resolved in IOS XR 6.5.1 and later. Handle as a moderate availability risk for network infrastructure. Prioritize internet-exposed or broadly reachable management planes first. The key business concern is service disruption, not confidentiality loss, based on the provided evidence. Mitigation focus: Upgrade affected Cisco IOS XR systems to 6.5.1 or later.; Review Cisco’s advisory for device-specific affected release guidance.; Prioritize remediation on systems with gRPC reachable from untrusted networks..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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Open ATT&CK lookupCVE-2019-1711 mapping review
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Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.3 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CNA and ADP enrichment extracted from CVE v5
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CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L3.91.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
5.3MediumVector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source materials
- CVE List V5 sourceCVE List V5
- 20190417 Cisco IOS XR gRPC Software Denial of Service VulnerabilityCVE reference · vendor-advisory, x_refsource_CISCO
Products and packages named in the record
CWE details
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