Lucene search

K
cveCiscoCVE-2021-1612
HistorySep 23, 2021 - 3:15 a.m.

CVE-2021-1612

2021-09-2303:15:12
CWE-61
CWE-59
cisco
web.nvd.nist.gov
36
cisco
ios xe
sd-wan
vulnerability
local file system
overwrite
exploit
nvd
cve-2021-1612

CVSS2

6.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:N/I:C/A:C

CVSS3

7.1

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

AI Score

6.7

Confidence

High

EPSS

0

Percentile

5.1%

A vulnerability in the Cisco IOS XE SD-WAN Software CLI could allow an authenticated, local attacker to overwrite arbitrary files on the local system. This vulnerability is due to improper access controls on files within the local file system. An attacker could exploit this vulnerability by placing a symbolic link in a specific location on the local file system. A successful exploit could allow the attacker to overwrite arbitrary files on an affected device.

Affected configurations

Nvd
Node
ciscosd-wanRange<17.3.4
VendorProductVersionCPE
ciscosd-wan*cpe:2.3:a:cisco:sd-wan:*:*:*:*:*:*:*:*

CNA Affected

[
  {
    "product": "Cisco IOS XE SD-WAN Software",
    "vendor": "Cisco",
    "versions": [
      {
        "status": "affected",
        "version": "n/a"
      }
    ]
  }
]

CVSS2

6.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:N/I:C/A:C

CVSS3

7.1

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

AI Score

6.7

Confidence

High

EPSS

0

Percentile

5.1%

Related for CVE-2021-1612