SB2020040897 - Information disclosure in Junos OS on EX4300 and MX204 routers



SB2020040897 - Information disclosure in Junos OS on EX4300 and MX204 routers

Published: April 8, 2020 Updated: April 24, 2024

Security Bulletin ID SB2020040897
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Information disclosure (CVE-ID: CVE-2020-1628)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

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


The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output. A remote attacker can access heartbeats, kernel versions, etc. out to the Internet if the 128.0.0.0/2 subnet is sued for internal communications between the RE and PFEs.


Remediation

Install update from vendor's website.