pmm-server in Percona Monitoring and Management (PMM) 2.2.x before 2.2.1 allows unauthenticated denial of service.
Conclusion & alert: CVE-2020-7920 is rated Moderate Risk (55.2/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.76%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-11-21 | 0.89% | 0.76% | -0.13% |
| 2 | 2025-11-18 | 0.76% | 0.89% | +0.13% |
| 3 | 2025-05-06 | — | 0.76% | — |
Full EPSS history (15 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | [email protected] |
| 7.8 | 2.0 | HIGH |
|
10.0 | 6.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| percona | monitoring_and_management | >= 2.2.0, < 2.2.1 | cpe:2.3:a:percona:monitoring_and_management:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://jira.percona.com/browse/PMM-5232 | Patch Third Party Advisory |
| https://jira.percona.com/browse/PMM-5233 | Third Party Advisory |
| https://www.percona.com/blog/2020/02/03/improvements-in-pmm-bug-fixes-in-percona-server-percona-backup-for-mongodb-alert-release-roundup-2-3-2020/ | Vendor Advisory |
| https://www.percona.com/doc/percona-monitoring-and-management/2.x/release-notes/2.2.1.html | Release Notes Vendor Advisory |