Cisco IOS XE Software

YES - ON THE CISA KEV LIST
CVE-2017-12319

Cisco IOS XE Software Ethernet Virtual Private Network Border Gateway Protocol Denial-of-Service Vulnerability

CISA catalog due date2022-03-24
overdue since 2022-03-24

EPSS exploit probability (next 30 days)5.2% · 93percentile

From CVE publication to KEV listing1437 days (2018-03-27 → 2022-03-03)

Remediation window (KEV listing to due date)21 days

Days on the KEV list1714 days

Date added to KEV2022-03-03

Known ransomware campaign useUnknown

VendorCisco

ProductIOS XE Software

Weaknesses (CWE)CWE-20

Cisco: 103 entries (5.8% of all KEV entries are from this vendor); 21 added in 2026.

BOD 26-04 note: this is the date printed in the CISA catalog. A federal agency's actual deadline is set by its SSVC tier - Act (3 days), Attend (14 days), Track (60 days), or the next scheduled upgrade - counted from the KEV listing date or the date the vulnerability is identified in its environment, whichever comes first. Use the tier helper on each CVE page for your own window.

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Description

A 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.

Required action (CISA)

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2017-12319

References

Other KEV entries for this vendor: Cisco

CVE-2026-20320 - BroadWorks (2026-11-10)
CVE-2026-76418 - Secure Firewall ASA Software and Cisco Secure FTD Software (2026-10-29)
CVE-2026-76519 - Secure Email Gateway (2026-10-14)
CVE-2026-76504 - Catalyst SD-WAN Manager (2026-09-30)
CVE-2026-76460 - Identity Services Engine (2026-09-16)
CVE-2026-76461 - Secure Email Gateway (2026-09-14)
CVE-2026-20079 - Secure Firewall Management Center (FMC) and Security Cloud Control (SCC) Firewall Management (2026-09-09)
CVE-2026-20349 - Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD) (2026-08-11)

Cisco - Vendors with KEV entries

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YES - ON THE CISA KEV LISTCVE-2017-12319