Vulnerability Name:

CVE-2017-6775 (CCN-130518)

Assigned:2017-08-16
Published:2017-08-16
Updated:2019-10-03
Summary:A vulnerability in the CLI of Cisco ASR 5000 Series Aggregated Services Routers running the Cisco StarOS operating system could allow an authenticated, local attacker to elevate their privileges to admin-level privileges. The vulnerability is due to incorrect permissions that are given to a set of users. An attacker could exploit this vulnerability by logging in to the shell of an affected device and elevating their privileges by modifying environment variables. An exploit could allow the attacker to gain admin-level privileges and take control of the affected device. Cisco Bug IDs: CSCvd47741. Known Affected Releases: 21.0.v0.65839.
CVSS v3 Severity:5.7 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L)
5.0 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
5.7 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L)
5.0 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:4.6 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
4.3 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-noinfo
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2017-6775

Source: BID
Type: Third Party Advisory, VDB Entry
100381

Source: CCN
Type: BID-100381
Cisco StarOS for ASR 5000 Series Routers CVE-2017-6775 Local Privilege Escalation Vulnerability

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1039183

Source: XF
Type: UNKNOWN
cisco-cve20176775-priv-esc(130518)

Source: CCN
Type: Cisco Security Advisory cisco-sa-20170816-staros3
Cisco StarOS for ASR 5000 Series Routers Privilege Escalation Vulnerability

Source: CISCO
Type: Vendor Advisory
20170816 Cisco StarOS for ASR 5000 Series Routers Privilege Escalation Vulnerability

Vulnerable Configuration:Configuration 1:
  • cpe:/a:cisco:asr_5000_software:21.0.v0.65839:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:cisco:staros:*:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    cisco asr 5000 software 21.0.v0.65839
    cisco staros *