CVE-2021-1436 — MEDIUM (4.4)

Vulnerability Description

A vulnerability in the CLI of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to conduct path traversal attacks and obtain read access to sensitive files on an affected system. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted request to an affected system. A successful exploit could allow the attacker to view arbitrary files on the affected system.

CVSS Score

4.4

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Cisco	Ios Xe	3.15.1xbs

Related Weaknesses (CWE)

CWE-22

References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iVendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iVendor Advisory

FAQ

What is CVE-2021-1436?

CVE-2021-1436 is a vulnerability with a CVSS score of 4.4 (MEDIUM). A vulnerability in the CLI of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to conduct path traversal attacks and obtain read access to sensitive files on an affected syste...

How severe is CVE-2021-1436?

CVE-2021-1436 has been rated MEDIUM with a CVSS base score of 4.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-1436?

Check the references section above for vendor advisories and patch information. Affected products include: Cisco Ios Xe.