CVE-2017-3849
Summary
| CVE | CVE-2017-3849 |
|---|---|
| State | PUBLISHED |
| Assigner | cisco |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2017-03-21 16:59:00 UTC |
| Updated | 2025-04-20 01:37:25 UTC |
| Description | A vulnerability in the Autonomic Networking Infrastructure (ANI) registrar feature of Cisco IOS Software (possibly 15.2 through 15.6) and Cisco IOS XE Software (possibly 3.7 through 3.18, and 16) could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition. The vulnerability is due to incomplete input validation on certain crafted packets. An attacker could exploit this vulnerability by sending a crafted autonomic network channel discovery packet to a device that has all the following characteristics: (1) running a Cisco IOS Software or Cisco IOS XE Software release that supports the ANI feature; (2) configured as an autonomic registrar; (3) has a whitelist configured. An exploit could allow the attacker to cause the affected device to reload. Note: Autonomic networking should be configured with a whitelist. Do not remove the whitelist as a workaround. Cisco Bug IDs: CSCvc42717. |
Risk And Classification
Primary CVSS: v3.0 7.4 HIGH from [email protected]
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Problem Types: CWE-20 | CWE-20 CWE-20 Denial of Service Vulnerability
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.0 | [email protected] | Primary | 7.4 | HIGH | CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H |
| 2.0 | [email protected] | Primary | 6.1 | AV:A/AC:L/Au:N/C:N/I:N/A:C |
CVSS v3.0 Breakdown
Attack Vector
AdjacentAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
ChangedConfidentiality
NoneIntegrity
NoneAvailability
HighCVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CVSS v2.0 Breakdown
Access Vector
AdjacentAccess Complexity
LowAuthentication
NoneConfidentiality
NoneIntegrity
NoneAvailability
CompleteAV:A/AC:L/Au:N/C:N/I:N/A:C
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Cisco | Ios | 15.2\(3\)e | All | All | All |
| Operating System | Cisco | Ios | 15.2\(3\)e1 | All | All | All |
| Operating System | Cisco | Ios | 15.2\(3\)e2 | All | All | All |
| Operating System | Cisco | Ios | 15.2\(3\)e3 | All | All | All |
| Operating System | Cisco | Ios | 15.2\(4\)e | All | All | All |
| Operating System | Cisco | Ios | 15.2\(4\)e1 | All | All | All |
| Operating System | Cisco | Ios | 15.2\(4\)e2 | All | All | All |
| Operating System | Cisco | Ios | 15.2\(4\)e3 | All | All | All |
| Operating System | Cisco | Ios | 15.2\(5a\)e | All | All | All |
| Operating System | Cisco | Ios | 15.2\(5b\)e | All | All | All |
| Operating System | Cisco | Ios | 15.2\(5\)e | All | All | All |
| Operating System | Cisco | Ios | 15.2\(5\)e1 | All | All | All |
| Operating System | Cisco | Ios | 15.3\(3\)s | All | All | All |
| Operating System | Cisco | Ios | 15.3\(3\)s1 | All | All | All |
| Operating System | Cisco | Ios | 15.3\(3\)s2 | All | All | All |
| Operating System | Cisco | Ios | 15.3\(3\)s3 | All | All | All |
| Operating System | Cisco | Ios | 15.3\(3\)s4 | All | All | All |
| Operating System | Cisco | Ios | 15.3\(3\)s5 | All | All | All |
| Operating System | Cisco | Ios | 15.3\(3\)s6 | All | All | All |
| Operating System | Cisco | Ios | 15.3\(3\)s8 | All | All | All |
| Operating System | Cisco | Ios | 15.3\(3\)s9 | All | All | All |
| Operating System | Cisco | Ios | 15.4\(1\)s | All | All | All |
| Operating System | Cisco | Ios | 15.4\(1\)s1 | All | All | All |
| Operating System | Cisco | Ios | 15.4\(1\)s2 | All | All | All |
| Operating System | Cisco | Ios | 15.4\(1\)s3 | All | All | All |
| Operating System | Cisco | Ios | 15.4\(1\)s4 | All | All | All |
| Operating System | Cisco | Ios | 15.4\(2\)s1 | All | All | All |
| Operating System | Cisco | Ios | 15.4\(2\)s2 | All | All | All |
| Operating System | Cisco | Ios | 15.4\(2\)s3 | All | All | All |
| Operating System | Cisco | Ios | 15.4\(2\)s4 | All | All | All |
| Operating System | Cisco | Ios | 15.4\(3\)s | All | All | All |
| Operating System | Cisco | Ios | 15.4\(3\)s1 | All | All | All |
| Operating System | Cisco | Ios | 15.4\(3\)s2 | All | All | All |
| Operating System | Cisco | Ios | 15.4\(3\)s3 | All | All | All |
| Operating System | Cisco | Ios | 15.4\(3\)s4 | All | All | All |
| Operating System | Cisco | Ios | 15.4\(3\)s5 | All | All | All |
| Operating System | Cisco | Ios | 15.4\(3\)s6 | All | All | All |
| Operating System | Cisco | Ios | 15.4\(3\)s6a | All | All | All |
| Operating System | Cisco | Ios | 15.5\(1\)s | All | All | All |
| Operating System | Cisco | Ios | 15.5\(1\)s1 | All | All | All |
| Operating System | Cisco | Ios | 15.5\(1\)s2 | All | All | All |
| Operating System | Cisco | Ios | 15.5\(1\)s3 | All | All | All |
| Operating System | Cisco | Ios | 15.5\(1\)s4 | All | All | All |
| Operating System | Cisco | Ios | 15.5\(2\)s | All | All | All |
| Operating System | Cisco | Ios | 15.5\(2\)s1 | All | All | All |
| Operating System | Cisco | Ios | 15.5\(2\)s2 | All | All | All |
| Operating System | Cisco | Ios | 15.5\(2\)s3 | All | All | All |
| Operating System | Cisco | Ios | 15.5\(2\)s4 | All | All | All |
| Operating System | Cisco | Ios | 15.5\(3\)s | All | All | All |
| Operating System | Cisco | Ios | 15.5\(3\)s0a | All | All | All |
| Operating System | Cisco | Ios | 15.5\(3\)s1 | All | All | All |
| Operating System | Cisco | Ios | 15.5\(3\)s1a | All | All | All |
| Operating System | Cisco | Ios | 15.5\(3\)s2 | All | All | All |
| Operating System | Cisco | Ios | 15.5\(3\)s3 | All | All | All |
| Operating System | Cisco | Ios | 15.5\(3\)s4 | All | All | All |
| Operating System | Cisco | Ios | 15.5\(3\)s5 | All | All | All |
| Operating System | Cisco | Ios | 15.5\(3\)sn | All | All | All |
| Operating System | Cisco | Ios | 15.6\(1\)s | All | All | All |
| Operating System | Cisco | Ios | 15.6\(1\)s1 | All | All | All |
| Operating System | Cisco | Ios | 15.6\(1\)s2 | All | All | All |
| Operating System | Cisco | Ios | 15.6\(1\)s3 | All | All | All |
| Operating System | Cisco | Ios | 15.6\(1\)t | All | All | All |
| Operating System | Cisco | Ios | 15.6\(1\)t0a | All | All | All |
| Operating System | Cisco | Ios | 15.6\(1\)t1 | All | All | All |
| Operating System | Cisco | Ios | 15.6\(1\)t2 | All | All | All |
| Operating System | Cisco | Ios | 15.6\(2\)s | All | All | All |
| Operating System | Cisco | Ios | 15.6\(2\)s1 | All | All | All |
| Operating System | Cisco | Ios | 15.6\(2\)s2 | All | All | All |
| Operating System | Cisco | Ios | 15.6\(2\)sn | All | All | All |
| Operating System | Cisco | Ios | 15.6\(2\)sp | All | All | All |
| Operating System | Cisco | Ios | 15.6\(2\)sp1 | All | All | All |
| Operating System | Cisco | Ios | 15.6\(2\)t | All | All | All |
| Operating System | Cisco | Ios | 15.6\(2\)t1 | All | All | All |
| Operating System | Cisco | Ios | 15.6\(2\)t2 | All | All | All |
| Operating System | Cisco | Ios | 15.6\(3\)m | All | All | All |
| Operating System | Cisco | Ios | 15.6\(3\)m0a | All | All | All |
| Operating System | Cisco | Ios | 15.6\(3\)m1 | All | All | All |
| Operating System | Cisco | Ios Xe | 3.10.0s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.10.1s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.10.1xbs | All | All | All |
| Operating System | Cisco | Ios Xe | 3.10.2s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.10.2ts | All | All | All |
| Operating System | Cisco | Ios Xe | 3.10.3s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.10.4s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.10.5s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.10.6s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.10.7s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.10.8as | All | All | All |
| Operating System | Cisco | Ios Xe | 3.10.8s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.11.0s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.11.1s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.11.2s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.11.3s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.11.4s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.12.0as | All | All | All |
| Operating System | Cisco | Ios Xe | 3.12.1s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.12.2s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.12.3s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.12.4s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.13.0as | All | All | All |
| Operating System | Cisco | Ios Xe | 3.13.0s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.13.1s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.13.2as | All | All | All |
| Operating System | Cisco | Ios Xe | 3.13.2s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.13.3s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.13.4s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.13.5as | All | All | All |
| Operating System | Cisco | Ios Xe | 3.13.5s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.13.6as | All | All | All |
| Operating System | Cisco | Ios Xe | 3.13.6s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.14.0s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.14.1s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.14.2s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.14.3s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.14.4s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.15.0s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.15.1cs | All | All | All |
| Operating System | Cisco | Ios Xe | 3.15.1s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.15.2s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.15.3s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.15.4s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.16.0cs | All | All | All |
| Operating System | Cisco | Ios Xe | 3.16.0s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.16.1as | All | All | All |
| Operating System | Cisco | Ios Xe | 3.16.1s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.16.2bs | All | All | All |
| Operating System | Cisco | Ios Xe | 3.16.2s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.16.3as | All | All | All |
| Operating System | Cisco | Ios Xe | 3.16.3s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.16.4as | All | All | All |
| Operating System | Cisco | Ios Xe | 3.16.4bs | All | All | All |
| Operating System | Cisco | Ios Xe | 3.16.4ds | All | All | All |
| Operating System | Cisco | Ios Xe | 3.16.4s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.16.5s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.17.0s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.17.1as | All | All | All |
| Operating System | Cisco | Ios Xe | 3.17.1s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.17.2s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.17.3s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.18.0as | All | All | All |
| Operating System | Cisco | Ios Xe | 3.18.0s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.18.0sp | All | All | All |
| Operating System | Cisco | Ios Xe | 3.18.1asp | All | All | All |
| Operating System | Cisco | Ios Xe | 3.18.1bsp | All | All | All |
| Operating System | Cisco | Ios Xe | 3.18.1csp | All | All | All |
| Operating System | Cisco | Ios Xe | 3.18.1s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.18.1sp | All | All | All |
| Operating System | Cisco | Ios Xe | 3.18.2s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.18.3vs | All | All | All |
| Operating System | Cisco | Ios Xe | 3.7.0e | All | All | All |
| Operating System | Cisco | Ios Xe | 3.7.1e | All | All | All |
| Operating System | Cisco | Ios Xe | 3.7.2e | All | All | All |
| Operating System | Cisco | Ios Xe | 3.7.3e | All | All | All |
| Operating System | Cisco | Ios Xe | 3.7.4e | All | All | All |
| Operating System | Cisco | Ios Xe | 3.7.5e | All | All | All |
| Operating System | Cisco | Ios Xe | 3.8.0e | All | All | All |
| Operating System | Cisco | Ios Xe | 3.8.1e | All | All | All |
| Operating System | Cisco | Ios Xe | 3.8.2e | All | All | All |
| Operating System | Cisco | Ios Xe | 3.8.3e | All | All | All |
| Operating System | Cisco | Ios Xe | 3.9.0e | All | All | All |
| Operating System | Cisco | Ios Xe | 3.9.1e | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Na | Cisco IOS And IOS XE | affected Cisco IOS and IOS XE | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Cisco IOS and IOS XE Software Autonomic Networking Infrastructure Registrar Denial of Service Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | tools.cisco.com | Vendor Advisory |
| Cisco IOS/IOS XE ANI Packet Processing Flaw Lets Remote Users Cause the Target System to Crash - SecurityTracker | af854a3a-2127-422b-91ae-364da2661108 | www.securitytracker.com | |
| Cisco IOS and IOS XE Software CVE-2017-3849 Denial of Service Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | Third Party Advisory, VDB Entry |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.