Security readout for executives and security teams
This Cisco IOS and IOS XE flaw can let a remote unauthenticated attacker disrupt network device availability using malicious UDP traffic. The likely business impact is outage or degraded routing/switching on affected infrastructure, not data theft. CISA lists it in KEV, so treat internet-exposed or edge devices as urgent. Exposure is most relevant for Cisco IOS or IOS XE devices in the named version ranges that receive untrusted network traffic. Edge routers, WAN devices, and internet-adjacent infrastructure deserve priority review. The provided data does not identify specific hardware models. Prioritize this as a network availability risk on legacy Cisco infrastructure. KEV status raises urgency because exploitation is known. Focus first on exposed devices supporting critical connectivity, then complete fleet-wide validation and remediation tracking. Mitigation focus: Review the Cisco advisory for affected releases and fixed software guidance.; Prioritize remediation for internet-facing or edge Cisco IOS and IOS XE devices.; Reduce untrusted UDP exposure to affected interfaces where operationally feasible..
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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ATT&CK lookup starting points
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CWE-399: Exact CWE lookup
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Open ATT&CK lookupCVE-2017-6627 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.5 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CISA KEV status
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H3.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170906-ios-udpCVE reference · x_refsource_CONFIRM
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-6627CVE reference · government-resource
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Resource Management Errors
Resource Management Errors represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.