Open redirect vulnerability in SHIRASAGI v1.13.1 and earlier allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via unspecified vectors.
Conclusion & alert: CVE-2020-5607 is rated Moderate Risk (47.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.20%). 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 | 0.59% | 1.20% | +0.61% |
| 2 | 2025-03-30 | 0.52% | 0.59% | +0.07% |
| 3 | 2025-03-29 | — | 0.52% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.1 | 3.1 | MEDIUM |
|
2.8 | 2.7 | [email protected] |
| 5.8 | 2.0 | MEDIUM |
|
8.6 | 4.9 | [email protected] |
| URL | Tags |
|---|---|
| https://github.com/shirasagi/shirasagi | Third Party Advisory |
| https://github.com/shirasagi/shirasagi/commit/040a02c9d4b5dd2f91c5c29c0008a47cde6ee99a | Patch Third Party Advisory |
| https://github.com/shirasagi/shirasagi/commit/040a02c9d4b5dd2f91c5c29c0008a47cde6ee99a.patch | Mailing List Patch Third Party Advisory |
| https://jvn.jp/en/jp/JVN55657988/index.html | Third Party Advisory |
| https://www.ss-proj.org/ | Vendor Advisory |