An issue was discovered in the stashcat app through 3.9.1 for macOS, Windows, Android, iOS, and possibly other platforms. The GET method is used with client_key and device_id data in the query string, which allows attackers to obtain sensitive information by reading web-server logs.
Conclusion & alert: CVE-2020-13129 is rated Moderate Risk (56.1/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.72%). Core evidence: EPSS rose +1.30% over the last day, indicating growing attacker interest. 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 | 2026-06-15 | 0.42% | 1.72% | +1.30% |
| 2 | 2025-03-30 | 1.15% | 0.42% | -0.73% |
| 3 | 2025-03-29 | — | 1.15% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.2 | 3.1 | HIGH |
|
1.2 | 5.9 | [email protected] |
| 9.0 | 2.0 | HIGH |
|
8.0 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| heinekingmedia | stashcat | <= 3.9.1 | cpe:2.3:a:heinekingmedia:stashcat:*:*:*:*:*:android:*:* |
| heinekingmedia | stashcat | <= 3.9.1 | cpe:2.3:a:heinekingmedia:stashcat:*:*:*:*:*:iphone_os:*:* |
| heinekingmedia | stashcat | <= 3.9.1 | cpe:2.3:a:heinekingmedia:stashcat:*:*:*:*:*:macos:*:* |
| heinekingmedia | stashcat | <= 3.9.1 | cpe:2.3:a:heinekingmedia:stashcat:*:*:*:*:*:windows:*:* |
| URL | Tags |
|---|---|
| https://www.jvanlaak.de/stashcat.html | Third Party Advisory |
| https://www.jvanlaak.de/stashcat_CWE_598_200517.pdf | Third Party Advisory |