Vulnerability Name:

CVE-2019-1743 (CCN-158778)

Assigned:2018-12-06
Published:2019-03-27
Updated:2020-10-09
Summary:A vulnerability in the web UI framework of Cisco IOS XE Software could allow an authenticated, remote attacker to make unauthorized changes to the filesystem of the affected device. The vulnerability is due to improper input validation. An attacker could exploit this vulnerability by crafting a malicious file and uploading it to the device. An exploit could allow the attacker to gain elevated privileges on the affected device.
CVSS v3 Severity:8.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
7.7 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
8.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
7.7 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:6.5 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
9.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-20
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2019-1743

Source: BID
Type: Third Party Advisory, VDB Entry
107591

Source: XF
Type: UNKNOWN
cisco-cve20191743-file-upload(158778)

Source: CCN
Type: Cisco Security Advisory cisco-sa-20190327-afu
Cisco IOS XE Software Arbitrary File Upload Vulnerability

Source: CISCO
Type: Patch, Vendor Advisory
20190327 Cisco IOS XE Software Arbitrary File Upload Vulnerability

Vulnerable Configuration:Configuration 1:
  • cpe:/o:cisco:ios_xe:16.2.1:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:16.2.2:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:16.3.1:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:16.3.1a:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:16.3.2:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:16.3.3:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:16.3.4:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:16.3.5:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:16.3.5b:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:16.3.6:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:16.4.1:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:16.4.2:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:16.4.3:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:16.5.1:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:16.5.1a:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:16.5.1b:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:16.5.2:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:16.5.3:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:16.6.1:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:16.6.2:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:16.6.3:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:16.7.1:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:16.7.1a:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:16.7.1b:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:16.8.1:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:16.8.1a:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:16.8.1b:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:16.8.1c:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:16.8.1d:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:16.8.1e:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios_xe:16.8.1s:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    cisco ios xe 16.2.1
    cisco ios xe 16.2.2
    cisco ios xe 16.3.1
    cisco ios xe 16.3.1a
    cisco ios xe 16.3.2
    cisco ios xe 16.3.3
    cisco ios xe 16.3.4
    cisco ios xe 16.3.5
    cisco ios xe 16.3.5b
    cisco ios xe 16.3.6
    cisco ios xe 16.4.1
    cisco ios xe 16.4.2
    cisco ios xe 16.4.3
    cisco ios xe 16.5.1
    cisco ios xe 16.5.1a
    cisco ios xe 16.5.1b
    cisco ios xe 16.5.2
    cisco ios xe 16.5.3
    cisco ios xe 16.6.1
    cisco ios xe 16.6.2
    cisco ios xe 16.6.3
    cisco ios xe 16.7.1
    cisco ios xe 16.7.1a
    cisco ios xe 16.7.1b
    cisco ios xe 16.8.1
    cisco ios xe 16.8.1a
    cisco ios xe 16.8.1b
    cisco ios xe 16.8.1c
    cisco ios xe 16.8.1d
    cisco ios xe 16.8.1e
    cisco ios xe 16.8.1s