CVE-2017-6663
Cisco IOS Software and Cisco IOS XE Software Denial-of-Service Vulnerability
Published Aug 6, 2017 · updated Jun 16, 2026 · cisco ios
A vulnerability in the Autonomic Networking feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause autonomic nodes of an affected system to reload, resulting in a denial of service (DoS) condition. More Information: CSCvd88936. Known Affected Releases: Denali-16.2.1 Denali-16.3.1.
Timeline
Detection, updates, and resolution for this record.
Aug 6, 2017 · Catalog
Detected
A vulnerability in the Autonomic Networking feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause autonomic nodes of an affected system to reload, resulting in a denial of service (DoS) condition. More Information: CSCvd88936. Known Affected Releases: Denali-16.2.1 Denali-16.3.1.
Mar 3, 2022 · CISA KEV
Known exploited
Apply updates per vendor instructions.
Mar 24, 2022 · CISA KEV
Remediation due
Apply updates per vendor instructions.
Jun 16, 2026 · Catalog
Updated
A vulnerability in the Autonomic Networking feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause autonomic nodes of an affected system to reload, resulting in a denial of service (DoS) condition. More Information: CSCvd88936. Known Affected Releases: Denali-16.2.1 Denali-16.3.1.
Required action
Apply updates per vendor instructions.
CISA due date Mar 24, 2022
Affected
- cpe cisco/ios15.2\(3\)e
- cpe cisco/ios15.2\(3\)e1
- cpe cisco/ios15.2\(3\)e2
- cpe cisco/ios15.2\(3\)e3
- cpe cisco/ios15.2\(3\)e4
- cpe cisco/ios15.2\(3\)e5
- cpe cisco/ios15.2\(3a\)e
- cpe cisco/ios15.2\(3a\)e1
- vendor Cisco IOS and IOS XE Softwareversion unspecified
Sources
- CISA KEVCVE-2017-6663
A vulnerability in the Autonomic Networking feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause autonomic nodes of an affected system to reload, resulting in denial-of-service (DoS).
cisa.gov - CVE.orgCVE-2017-6663
Official CVE identifier
cve.org - FIRST EPSSCVE-2017-6663
30-day exploitation probability 2.1%
first.org - NIST NVDCVE-2017-6663
A vulnerability in the Autonomic Networking feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause autonomic nodes of an affected system to reload, resulting in a denial of service (DoS) condition. More Information: CSCv
nvd.nist.gov