SB2021020210 - Information disclosure in Apache Cassandra
Published: February 2, 2021
Security Bulletin ID
SB2021020210
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Cleartext transmission of sensitive information (CVE-ID: CVE-2020-17516)
CWE-ID: CWE-319 - Cleartext Transmission of Sensitive Information
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to software uses insecure communication channel to transmit sensitive information when using "dc" or "rack" internode_encryption setting. A remote attacker can use unencrypted connection despite not being in the same rack or dc, and bypass mutual TLS requirement.
Remediation
Install update from vendor's website.