CVE-2017-3878

CVSS V2 Medium 5 CVSS V3 Medium 5.3
Description
A Denial of Service vulnerability in the Telnet remote login functionality of Cisco NX-OS Software running on Cisco Nexus 9000 Series Switches could allow an unauthenticated, remote attacker to cause a Telnet process used for login to terminate unexpectedly and the login attempt to fail. There is no impact to user traffic flowing through the device. Affected Products: This vulnerability affects Cisco Nexus 9000 Series Switches that are running Cisco NX-OS Software and are configured to allow remote Telnet connections to the device. More Information: CSCux46778. Known Affected Releases: 7.0(3)I3(0.170). Known Fixed Releases: 7.0(3)I3(1) 7.0(3)I3(0.257) 7.0(3)I3(0.255) 7.0(3)I2(2e) 7.0(3)F1(1.22) 7.0(3)F1(1).
Overview
  • CVE ID
  • CVE-2017-3878
  • Assigner
  • ykramarz@cisco.com
  • Vulnerability Status
  • Modified
  • Published Version
  • 2017-03-17T22:59:00
  • Last Modified Date
  • 2017-07-12T01:29:17
Weakness Enumerations
CWE URL
CWE-119 http://cwe.mitre.org/data/definitions/119.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:cisco:nx-os:7.0\(3\)i3\(0.170\):*:*:*:*:*:*:* 1 OR
cpe:2.3:h:cisco:nexus_92160yc_switch:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:nexus_92300yc_switch:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:nexus_92304qc_switch:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:nexus_9236c_switch:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:nexus_9272q_switch:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:nexus_93108tc-ex_switch:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:nexus_93120tx_switch:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:nexus_93128tx_switch:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:nexus_93180lc-ex_switch:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:nexus_93180yc-ex_switch:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:nexus_9332pq_switch:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:nexus_9336pq_aci_spine_switch:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:nexus_9372px-e_switch:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:nexus_9372px_switch:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:nexus_9372tx-e_switch:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:nexus_9372tx_switch:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:nexus_9396px_switch:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:nexus_9396tx_switch:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:cisco:nexus_9508_switch:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • LOW
  • Base Score
  • 5.3
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 3.9
  • Impact Score
  • 1.4
References
Reference URL Reference Tags
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170315-nss Vendor Advisory
http://www.securityfocus.com/bid/96927 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1038047
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2017-3878
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-3878
History
Created Old Value New Value Data Type Notes
2022-05-10 09:26:03 Added to TrackCVE
2022-12-02 14:54:30 psirt@cisco.com ykramarz@cisco.com CVE Assigner updated
2022-12-02 14:54:30 2017-03-17T22:59Z 2017-03-17T22:59:00 CVE Published Date updated
2022-12-02 14:54:30 2017-07-12T01:29:17 CVE Modified Date updated
2022-12-02 14:54:30 Modified Vulnerability Status updated