SOPlanning before 1.47 has Incorrect Access Control because certain secret key information, and the related authentication algorithm, is public. The key for admin is hardcoded in the installation code, and there is no key for publicsp (which is a guest account).
Conclusion & alert: CVE-2020-13963 is rated Moderate Risk (62.5/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 0.54%). 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 | 0.63% | 0.54% | -0.09% |
| 2 | 2025-11-18 | 0.54% | 0.63% | +0.09% |
| 3 | 2025-05-23 | — | 0.54% | — |
Full EPSS history (14 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| soplanning | soplanning | >= 1.45, < 1.47 | cpe:2.3:a:soplanning:soplanning:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://cwe.mitre.org/data/definitions/321.html | Technical Description |
| https://forum.soplanning.org/viewforum.php?f=8 | Vendor Advisory |
| https://labs.integrity.pt/advisories/cve-2020-13963/ | Third Party Advisory |