CVE-2017-12319
A permanent, source-backed tracker page. Values are shown only when returned; explicit gaps and read failures remain different states.
What it is
ReportedA vulnerability in the Border Gateway Protocol (BGP) over an Ethernet Virtual Private Network (EVPN) for Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the device to reload, resulting in a denial of service (DoS) condition, or potentially corrupt the BGP routing table, which could result in network instability. Source description excerpt; complete tracked detail loads below.
NVD published: Mar 27, 2018 · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026
What is affected
ReportedCisco — IOS XE Software. Product-level identification only; no affected-version conclusion is available from this field.
NVD published: Mar 27, 2018 · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026
Urgency and basis
ReportedAct · 453.9
Tracker decision tier from the evidence detailed below · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026
Exploitation evidence
Reportedkev-listed · CISA KEV · VulnCheck KEV · ENISA exploited-vulnerability catalog
Active since: Mar 3, 2022 · CISA KEV added: Mar 3, 2022 · VulnCheck KEV added: Mar 3, 2022 · ENISA added: Mar 3, 2022 · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026
What to do
ReportedApply updates per vendor instructions.
Source remediation ↗Tracked source remediation field · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026
Evidence detail
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