CVE-2020-17516
HIGH
7.5
CVSS Score
Published: February 3, 2021 at 04:40 PM UTC
Updated: June 17, 2026 at 02:59 AM UTC
1 product affected across 1 vendorCassandra
Using Apache Cassandra by N/A?
Get instant alerts when new vulnerabilities affect Apache Cassandra - before attackers find them.
Real-time alertsTrack your software stackFree plan available
Severity
HIGH7.5
Exploit prediction
EPSS 2%
Description
Apache Cassandra versions 2.1.0 to 2.1.22, 2.2.0 to 2.2.19, 3.0.0 to 3.0.23, and 3.11.0 to 3.11.9, when using 'dc' or 'rack' internode_encryption setting, allows both encrypted and unencrypted internode connections. A misconfigured node or a malicious user can use the unencrypted connection despite not being in the same rack or dc, and bypass mutual TLS requirement.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (5)
Mailing Listx_refsource_MLIST
Source: [email protected]
https://lists.apache.org/thread.html/r81243a412a37a22211754936a13856af07cc68a93d728c52807486e9%40%3Ccommits.cassandra.apache.org%3EMailing Listx_refsource_MLIST
Source: [email protected]
https://lists.apache.org/thread.html/rcb16f36cafa184dd159e94033f87d0fc274c4752d467f3a09f2ceae4%40%3Ccommits.cassandra.apache.org%3EMailing Listx_refsource_MLIST
Source: [email protected]
https://lists.apache.org/thread.html/rd84bec24907617bdb72f7ec907cd7437a0fd5a8886eb55aa84dd1eb8%40%3Ccommits.cassandra.apache.org%3Ex_refsource_CONFIRMMailing ListThird Party Advisory
Source: [email protected]
https://security.netapp.com/advisory/ntap-20210521-0002/CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-290
Get alerted
Stop reading CVE feeds looking for your own stack
Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.
Free plan, no card