Vulnerability Intelligence Report
Cisco IOS Software and Cisco IOS XE Software Denial-of-Service Vulnerability
CVE-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: CSCvd88936. Known Affected Releases: Denali-16.2.1 Denali-16.3.1.
CISA KEV
SSVC: Active Exploitation
CVSS Base Score
6.5
MEDIUM
Exploitability:2.9
Impact Score:3.6
EPSS Probability:2.14%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
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SSVC Action
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Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| cisco | ios | 15.2\(3\)e, 15.2\(3\)e1, 15.2\(3\)e2, 15.2\(3\)e3, 15.2\(3\)e4, 15.2\(3\)e5, 15.2\(3a\)e, 15.2\(3a\)e1, 15.2\(3m\)e2, 15.2\(3m\)e3, 15.2\(3m\)e6, 15.2\(3m\)e8, 15.2\(4\)e, 15.2\(4\)e1, 15.2\(4\)e2, 15.2\(4\)e3, 15.2\(5\)e, 15.2\(5\)e1, 15.2\(5a\)e, 15.2\(5b\)e, 15.3\(3\)s, 15.3\(3\)s1, 15.3\(3\)s1a, 15.3\(3\)s2, 15.3\(3\)s3, 15.3\(3\)s4, 15.3\(3\)s5, 15.3\(3\)s6, 15.3\(3\)s7, 15.3\(3\)s8, 15.3\(3\)s8a, 15.3\(3\)s9, 15.3\(3\)s10, 15.4\(1\)s, 15.4\(1\)s1, 15.4\(1\)s2, 15.4\(1\)s3, 15.4\(1\)s4, 15.4\(2\)s, 15.4\(2\)s1, 15.4\(2\)s2, 15.4\(2\)s3, 15.4\(2\)s4, 15.4\(3\)s, 15.4\(3\)s1, 15.4\(3\)s2, 15.4\(3\)s3, 15.4\(3\)s4, 15.4\(3\)s5, 15.4\(3\)s5a, 15.4\(3\)s6, 15.4\(3\)s6a, 15.4\(3\)s6b, 15.4\(3\)s7, 15.4\(3\)s7a, 15.4\(3\)s8, 15.5\(1\)s, 15.5\(1\)s1, 15.5\(1\)s2, 15.5\(1\)s3, 15.5\(1\)s4, 15.5\(2\)s, 15.5\(2\)s1, 15.5\(2\)s2, 15.5\(2\)s3, 15.5\(2\)s4, 15.5\(3\)s, 15.5\(3\)s0a, 15.5\(3\)s1, 15.5\(3\)s1a, 15.5\(3\)s2, 15.5\(3\)s2a, 15.5\(3\)s2b, 15.5\(3\)s3, 15.5\(3\)s3a, 15.5\(3\)s4, 15.5\(3\)s4a, 15.5\(3\)s4b, 15.5\(3\)s4d, 15.5\(3\)s5, 15.5\(3\)sn, 15.6\(1\)s, 15.6\(1\)s1, 15.6\(1\)s1a, 15.6\(1\)s2, 15.6\(1\)s3, 15.6\(1\)s4, 15.6\(1\)t, 15.6\(1\)t0a, 15.6\(1\)t1, 15.6\(1\)t2, 15.6\(2\)s, 15.6\(2\)s0a, 15.6\(2\)s1, 15.6\(2\)s2, 15.6\(2\)s3, 15.6\(2\)s4, 15.6\(2\)sn, 15.6\(2\)sp, 15.6\(2\)sp1, 15.6\(2\)sp1b, 15.6\(2\)sp1c, 15.6\(2\)sp2, 15.6\(2\)sp2a, 15.6\(2\)sp3, 15.6\(2\)t, 15.6\(2\)t1, 15.6\(2\)t2, 15.6\(2\)t3, 15.6\(3\)m, 15.6\(3\)m0a, 15.6\(3\)m1, 15.6\(3\)m1b, 15.6\(3\)m2, 15.6\(3\)m2a, 15.6\(3\)m3, 15.7\(3\)m |
| cisco | ios_xe | 3.7.0e, 3.7.1e, 3.7.3e, 3.8.0e, 3.8.0ex, 3.8.1e, 3.8.2e, 3.8.3e, 3.9.0e, 3.9.1e, 3.10.4s, 3.10.8as, 3.10.8s, 3.11.3s, 3.11.4s, 3.12.0as, 3.12.0s, 3.12.1s, 3.12.2s, 3.12.3s, 3.12.4s, 3.13.0s, 3.13.1s, 3.13.2as, 3.13.2s, 3.13.4s, 3.13.5as, 3.13.5s, 3.13.6as, 3.13.6s, 3.13.7as, 3.13.8s, 3.14.0s, 3.14.1s, 3.14.2s, 3.14.3s, 3.14.4s, 3.15.0s, 3.15.1s, 3.15.2s, 3.15.3s, 3.15.4s, 3.16.0s, 3.16.1as, 3.16.2as, 3.16.2s, 3.16.3as, 3.16.3s, 3.16.4as, 3.16.4ds, 3.16.4s, 3.16.6s, 3.17.0s, 3.17.1as, 3.17.1s, 3.17.3s, 3.17.4s, 3.18.0as, 3.18.0s, 3.18.0sp, 3.18.1bsp, 3.18.1s, 3.18.1sp, 3.18.2asp, 3.18.2s, 3.18.2sp, 3.18.3s, 3.18.3sp, 16.6.1 |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Cisco Systems, Inc. · Hosted Service · USA |
| Reserved | 2017-03-09T00:00:00 |
| Published | 2017-08-07T06:00:00 |
| Patch Date | 2017-08-07 |
| Last Updated | 2025-10-21T23:55:36 |
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