Security readout for executives and security teams
Plain-English summary
CVE-2020-15180 is a command injection issue in MariaDB's mysql-wsrep/Galera clustering component. A remote attacker could execute arbitrary commands on cluster nodes if vulnerable wsrep functionality is exposed. That makes this a serious risk for clustered database environments, even though the bundle provides no evidence of active exploitation.
Executive priority
Prioritize remediation for clustered MariaDB or Percona database environments because successful exploitation could compromise database nodes and business-critical data. Urgency is lower for systems proven not to use wsrep/Galera, but the impact justifies prompt inventory and patch validation.
Technical view
The flaw is missing input sanitization in wsrep_sst_method within MariaDB mysql-wsrep. Sources describe remote command injection affecting MariaDB versions before 10.1.47, 10.2.34, 10.3.25, 10.4.15, and 10.5.6. Percona separately states CVE-2020-15180 affects Percona XtraDB Cluster.
Likely exposure
Exposure is most likely in MariaDB Galera/wsrep cluster deployments running vulnerable pre-fix branches. Organizations using Percona XtraDB Cluster should also review Percona guidance. Standalone MariaDB systems without wsrep/Galera clustering appear less likely to be exposed based on the provided description.
Exploitation context
The source bundle describes remote arbitrary command execution on Galera cluster nodes, but does not cite known exploitation, KEV listing, exploit availability, or attacker campaigns. Treat internet-reachable or partner-reachable database cluster management paths as higher priority until verified.
Researcher notes
The bundle lacks CVSS data and detailed exploitation prerequisites. Key validation questions are whether wsrep_sst_method is reachable or attacker-controlled in the deployed topology, whether distributions backported fixes, and whether Percona XtraDB Cluster versions align with Percona's advisory.
Mitigation direction
- Upgrade MariaDB off versions before 10.1.47, 10.2.34, 10.3.25, 10.4.15, or 10.5.6.
- Apply Debian, Gentoo, MariaDB, or Percona security updates appropriate to your installed package source.
- Review Percona guidance if Percona XtraDB Cluster is deployed.
- Restrict network access to Galera/wsrep cluster interfaces to trusted administrative and cluster nodes only.
- Check vendor advisories for any distribution-specific backported fixes.
Validation and detection
- Inventory MariaDB and Percona XtraDB Cluster deployments, especially clustered database nodes.
- Confirm whether wsrep/Galera clustering is enabled on each database host.
- Compare installed package versions with fixed vendor package versions or branch thresholds.
- Verify database cluster interfaces are not exposed to untrusted networks.
- Review recent administrative and database host logs for unexpected command execution indicators.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-20: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2020-15180 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- [debian-lts-announce] 20201021 [SECURITY] [DLA 2409-1] mariadb-10.1 security updateCVE reference · mailing-list, x_refsource_MLIST
- DSA-4776CVE reference · vendor-advisory, x_refsource_DEBIAN
- GLSA-202011-14CVE reference · vendor-advisory, x_refsource_GENTOO
- https://www.percona.com/blog/2020/10/30/cve-2020-15180-affects-percona-xtradb-cluster/CVE reference · x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=1894919CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Input Validation
Improper Input Validation represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
