CVE-2017-3765

CVSS V2 Medium 6.2 CVSS V3 High 7
Description
In Enterprise Networking Operating System (ENOS) in Lenovo and IBM RackSwitch and BladeCenter products, an authentication bypass known as "HP Backdoor" was discovered during a Lenovo security audit in the serial console, Telnet, SSH, and Web interfaces. This bypass mechanism can be accessed when performing local authentication under specific circumstances. If exploited, admin-level access to the switch is granted.
Overview
  • CVE ID
  • CVE-2017-3765
  • Assigner
  • psirt@lenovo.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2018-01-10T18:29:01
  • Last Modified Date
  • 2018-02-06T14:12:49
Weakness Enumerations
CWE URL
CWE-287 http://cwe.mitre.org/data/definitions/287.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:lenovo:enterprise_network_operating_system:*:*:*:*:*:*:*:* 1 OR 8.4.6.0
cpe:2.3:h:lenovo:flex_system_fabric_cn4093_10gb_converged_scalable_switch:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:lenovo:flex_system_fabric_en4093r_10gb_scalable_switch:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:lenovo:flex_system_fabric_si4093_10gb_system_interconnect_module:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:lenovo:flex_system_si4091_system_interconnect_module:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:lenovo:rackswitch_g7028:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:lenovo:rackswitch_g7052:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:lenovo:rackswitch_g8052:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:lenovo:rackswitch_g8124e:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:lenovo:rackswitch_g8264:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:lenovo:rackswitch_g8264cs:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:lenovo:rackswitch_g8272:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:lenovo:rackswitch_g8296:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:lenovo:rackswitch_g8332:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:lenovo:enterprise_network_operating_system:*:*:*:*:*:*:*:* 1 OR 8.4.6.0
cpe:2.3:h:ibm:1g_l2-7_slb_switch_for_bladecenter:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:ibm:bladecenter_1\:10g_uplink_ethernet_switch_module:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:ibm:bladecenter_layer_2\/3_copper_ethernet_switch_module:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:ibm:bladecenter_virtual_fabric_10gb_switch_module:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:ibm:flex_system_en2092_1gb_ethernet_scalable_switch:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:ibm:flex_system_fabric_cn4093_10gb_converged_scalable_switch:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:ibm:flex_system_fabric_en4093\/en4093r_10gb_scalable_switch:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:ibm:flex_system_fabric_si4093_10gb_system_interconnect_module:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:ibm:rackswitch_g8052:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:ibm:rackswitch_g8124:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:ibm:rackswitch_g8124e:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:ibm:rackswitch_g8264:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:ibm:rackswitch_g8264cs:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:ibm:rackswitch_g8264t:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:ibm:rackswitch_g8316:-:*:*:*:*:*:*:* 0 OR
cpe:2.3:h:ibm:rackswitch_g8332:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:H/Au:N/C:C/I:C/A:C
  • Access Vector
  • LOCAL
  • Access Compatibility
  • HIGH
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 6.2
  • Severity
  • MEDIUM
  • Exploitability Score
  • 1.9
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • HIGH
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 7
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://support.lenovo.com/us/en/product_security/LEN-16095 Mitigation Patch Vendor Advisory
http://www.securitytracker.com/id/1040296 Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2017-3765
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-3765
History
Created Old Value New Value Data Type Notes
2022-05-10 18:49:01 Added to TrackCVE
2022-12-03 00:51:23 2018-01-10T18:29Z 2018-01-10T18:29:01 CVE Published Date updated
2022-12-03 00:51:23 2018-02-06T14:12:49 CVE Modified Date updated
2022-12-03 00:51:23 Analyzed Vulnerability Status updated