Directory traversal vulnerability exists in a-blog cms Ver.3.1.x series Ver.3.1.9 and earlier, Ver.3.0.x series Ver.3.0.30 and earlier, Ver.2.11.x series Ver.2.11.59 and earlier, Ver.2.10.x series Ver.2.10.51 and earlier, and Ver.2.9 and earlier versions. If this vulnerability is exploited, a user with editor or higher privilege who can login to the product may obtain arbitrary files on the server including password files.
Conclusion & alert: CVE-2024-27279 is rated Moderate Risk (43.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.83%). 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 | 1.62% | 0.83% | -0.78% |
| 2 | 2026-03-31 | 1.24% | 1.62% | +0.38% |
| 3 | 2025-11-21 | — | 1.24% | — |
Full EPSS history (15 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.5 | 3.1 | MEDIUM |
|
2.8 | 3.6 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| appleple | a-blog_cms | <= 2.10.51 | cpe:2.3:a:appleple:a-blog_cms:*:*:*:*:*:*:*:* |
| appleple | a-blog_cms | >= 2.11.0, <= 2.11.59 | cpe:2.3:a:appleple:a-blog_cms:*:*:*:*:*:*:*:* |
| appleple | a-blog_cms | >= 3.0.0, <= 3.0.30 | cpe:2.3:a:appleple:a-blog_cms:*:*:*:*:*:*:*:* |
| appleple | a-blog_cms | >= 3.1.0, <= 3.1.9 | cpe:2.3:a:appleple:a-blog_cms:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://developer.a-blogcms.jp/blog/news/JVN-48443978.html | Vendor Advisory |
| https://jvn.jp/en/jp/JVN48443978/ | Third Party Advisory |