SB2019022211 - Information disclosure in Cisco Network Convergence System 1000 Series
Published: February 22, 2019
Security Bulletin ID
SB2019022211
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Path traversal (CVE-ID: CVE-2019-1681)
CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists in the TFTP service due to input validation error when processing directory traversal sequences. A remote attacker can use directory traversal techniques in malicious requests sent to the TFTP service to retrieve arbitrary files from the targeted device.
Remediation
Install update from vendor's website.