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cve[email protected]CVE-2021-1371
HistoryMar 24, 2021 - 9:15 p.m.

CVE-2021-1371

2021-03-2421:15:11
CWE-269
web.nvd.nist.gov
42
2
cisco
vulnerability
ios xe
sd-wan
software
access control
authentication
authorization
nvd
cve-2021-1371

7.2 High

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

6.6 Medium

CVSS3

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.5 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

A vulnerability in the role-based access control of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker with read-only privileges to obtain administrative privileges by using the console port when the device is in the default SD-WAN configuration. This vulnerability occurs because the default configuration is applied for console authentication and authorization. An attacker could exploit this vulnerability by connecting to the console port and authenticating as a read-only user. A successful exploit could allow a user with read-only permissions to access administrative privileges.

Affected configurations

NVD
Node
ciscoios_xe_sd-wanMatch17.2.0
AND
ciscocloud_services_router_1000vMatch-
OR
cisco1100_integrated_services_routerMatch-
OR
cisco1101_integrated_services_routerMatch-
OR
cisco1109_integrated_services_routerMatch-
OR
cisco1111x_integrated_services_routerMatch-
OR
cisco111x_integrated_services_routerMatch-
OR
cisco1120_integrated_services_routerMatch-
OR
cisco1160_integrated_services_routerMatch-
OR
cisco4221_integrated_services_routerMatch-
OR
cisco4321_integrated_services_routerMatch-
OR
cisco4331_integrated_services_routerMatch-
OR
cisco4351_integrated_services_routerMatch-
OR
cisco4431_integrated_services_routerMatch-
OR
cisco4451_integrated_services_routerMatch-
OR
cisco4461_integrated_services_routerMatch-
OR
ciscoasr_1000Match-

CNA Affected

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

Social References

More

7.2 High

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

6.6 Medium

CVSS3

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.5 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

Related for CVE-2021-1371