CVE-2017-5539
9.1
CRITICAL · CVSS 3.0 · EPSS 4.2% (pctl 91)
In your normal cycle
Critical by CVSS (9.1), but no sign of active exploitation.
Description
The patch for directory traversal (CVE-2017-5480) in b2evolution version 6.8.4-stable has a bypass vulnerability. An attacker can use ..\/ to bypass the filter rule. Then, this attacker can exploit this vulnerability to delete or read any files on the server. It can also be used to determine whether a file exists.
Scoring
| CVSS | 9.1 (CRITICAL, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
| EPSS | 4.18% — more likely to be exploited than 91% of all CVEs |
| Weakness | CWE-22 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2017-01-23 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| b2evolution | b2evolution |
References
- http://b2evolution.net/downloads/6-8-5
- http://www.securityfocus.com/bid/95700
- https://github.com/b2evolution/b2evolution/commit/e35f7c195d8c1103d2d981a48cda5ab45ecac48a
- https://github.com/b2evolution/b2evolution/issues/36
- http://b2evolution.net/downloads/6-8-5
- http://www.securityfocus.com/bid/95700
- https://github.com/b2evolution/b2evolution/commit/e35f7c195d8c1103d2d981a48cda5ab45ecac48a
- https://github.com/b2evolution/b2evolution/issues/36
→ the Explorer · watch your stack · NVD