CVE-2017-5539
moderate-risk
Published 2017-01-23
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.
Do I need to act?
~
7.4% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.1/10
Critical
NETWORK
/ LOW complexity
Affected Products (1)
B2Evolution
Affected Vendors
References (8)
Third Party Advisory
http://www.securityfocus.com/bid/95700
Issue Tracking
https://github.com/b2evolution/b2evolution/issues/36
Third Party Advisory
http://www.securityfocus.com/bid/95700
Issue Tracking
https://github.com/b2evolution/b2evolution/issues/36
46
/ 100
moderate-risk
Severity
31/34 · Critical
Exploitability
10/34 · Low
Exposure
5/34 · Minimal