Vulnerability Name:

CVE-2020-3223 (CCN-182891)

Assigned:2019-12-12
Published:2020-06-03
Updated:2020-06-09
Summary:A vulnerability in the web-based user interface (web UI) of Cisco IOS XE Software could allow an authenticated, remote attacker with administrative privileges to read arbitrary files on the underlying filesystem of the device. The vulnerability is due to insufficient file scope limiting. An attacker could exploit this vulnerability by creating a specific file reference on the filesystem and then accessing it through the web UI. An exploit could allow the attacker to read arbitrary files from the underlying operating system's filesystem.
CVSS v3 Severity:4.9 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N)
4.3 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): None
4.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N)
3.9 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:6.8 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:C/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): None
Availibility (A): None
6.1 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:M/C:C/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Multiple_Instances
Impact Metrics:Confidentiality (C): Complete
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-59
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2020-3223

Source: XF
Type: UNKNOWN
cisco-cve20203223-info-disc(182891)

Source: CCN
Type: Cisco Security Advisory cisco-sa-webui-filerd-HngnDYGk
Cisco IOS XE Software Web UI Arbitrary File Read Vulnerability

Source: CISCO
Type: Patch, Vendor Advisory
20200603 Cisco IOS XE Software Web UI Arbitrary File Read Vulnerability

Vulnerable Configuration:Configuration 1:
  • cpe:/o:cisco:ios_xe:16.9.4:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:16.9.4c:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:16.11.1:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:16.11.1a:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:16.11.1b:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:16.11.1c:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:16.11.1s:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:16.11.2:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:16.12.1:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:16.12.1a:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:16.12.1c:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:16.12.1s:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:16.12.1t:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:16.12.1w:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:16.12.1y:*:*:*:*:*:*:*

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

  • * Denotes that component is vulnerable
    BACK
    cisco ios xe 16.9.4
    cisco ios xe 16.9.4c
    cisco ios xe 16.11.1
    cisco ios xe 16.11.1a
    cisco ios xe 16.11.1b
    cisco ios xe 16.11.1c
    cisco ios xe 16.11.1s
    cisco ios xe 16.11.2
    cisco ios xe 16.12.1
    cisco ios xe 16.12.1a
    cisco ios xe 16.12.1c
    cisco ios xe 16.12.1s
    cisco ios xe 16.12.1t
    cisco ios xe 16.12.1w
    cisco ios xe 16.12.1y
    cisco ios xe software *