MetInfo through 5.3.17 accepts the same CAPTCHA response for 120 seconds, which makes it easier for remote attackers to bypass intended challenge requirements by modifying the client-server data stream, as demonstrated by the login/findpass page.
https://lncken.cn/?p=343
Source: Mitre, NVD
Published: 2017-07-28
Updated: 2026-06-17
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Severity: High
EPSS: 0.00395