SB2021040803 - Multiple vulnerabilities in Cisco Umbrella

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2021040803

SB2021040803 - Multiple vulnerabilities in Cisco Umbrella

Published: April 8, 2021

Security Bulletin ID SB2021040803
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) CSV Injection (CVE-ID: CVE-2021-1474)

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote user to inject arbitrary code into CSV files.

The vulnerability exists due to improper neutralization of formula elements in the comma-separated value (CSV) file that is generated by the Admin audit log export feature. A remote authenticated attacker can inject arbitrary code into a CSV file.


2) Link Injection (CVE-ID: CVE-2021-1475)

CWE-ID: CWE-74 - Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to improper neutralization of user-supplied input in the Scheduled Reports feature. A remote authenticated attacker can inject a malicious link into the report, leading the user to believe that the link is coming from the application.


Remediation

Install update from vendor's website.

References