CVE-2017-3850
Summary
| CVE | CVE-2017-3850 |
|---|---|
| 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) feature of Cisco IOS Software (15.4 through 15.6) and Cisco IOS XE Software (3.7 through 3.18, and 16) could allow an unauthenticated, remote 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 IPv6 packet to a device that is running a Cisco IOS Software or Cisco IOS XE Software release that supports the ANI feature. A device must meet two conditions to be affected by this vulnerability: (1) the device must be running a version of Cisco IOS Software or Cisco IOS XE Software that supports ANI (regardless of whether ANI is configured); and (2) the device must have a reachable IPv6 interface. An exploit could allow the attacker to cause the affected device to reload. Cisco Bug IDs: CSCvc42729. |
Risk And Classification
Primary CVSS: v3.0 5.9 MEDIUM from [email protected]
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/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 | 5.9 | MEDIUM | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |
| 2.0 | [email protected] | Primary | 7.1 | AV:N/AC:M/Au:N/C:N/I:N/A:C |
CVSS v3.0 Breakdown
Attack Vector
NetworkAttack Complexity
HighPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
NoneAvailability
HighCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v2.0 Breakdown
Access Vector
NetworkAccess Complexity
MediumAuthentication
NoneConfidentiality
NoneIntegrity
NoneAvailability
CompleteAV:N/AC:M/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\(5b\)e | All | All | All |
| Operating System | Cisco | Ios | 15.2\(5\)e | 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 | 15.4\(1\)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 | 15.5\(1\)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\(3\)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\(3\)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\(1\)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\(2\)sn | 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 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 | 3.10.3s | 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 | 3.10.8s | 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 | 3.13.2s | 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 | 3.16.2as | 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 | 3.18.1s | 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/IOS XE IPv6 Packet Processing Flaw Lets Remote Users Cause the Target System to Crash - SecurityTracker | af854a3a-2127-422b-91ae-364da2661108 | www.securitytracker.com | Third Party Advisory, VDB Entry |
| Cisco IOS and IOS XE Software IPv6 Denial of Service Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | tools.cisco.com | Mitigation, Vendor Advisory |
| Cisco IOS and IOS XE Software CVE-2017-3850 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.