Improper Restriction of Excessive Authentication Attempts in Bludit - CVE-2019-17240
Published: October 6, 2019 / Updated: June 17, 2021
Vulnerability identifier: #VU35191
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-17240
CWE-ID: CWE-307
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
bl-kernel/security.class.php in Bludit 3.9.2 allows attackers to bypass a brute-force protection mechanism by using many different forged X-Forwarded-For or Client-IP HTTP headers.
Affected software
Bludit
How to mitigate CVE-2019-17240
Install update from vendor's website.
Links to Public Exploits and PoC-codes
- Exploit #5661 - Bludit 3.9.2 - Auth Bruteforce Bypass (June 17, 2021)
- Exploit #4784 - CVE-2019-17240_Bludit-BF-Bypass (Bludit <= 3.9.2 - Authentication Bruteforce Mitigation Bypass Exploit/PoC) (November 3, 2020)
- Exploit #4726 - CVE-2019-17240-Exploit-Bludit-BF-bypass (Bludit <= 3.9.2 - Authentication Bruteforce Mitigation Bypass Exploit/PoC) (October 21, 2020)
- Exploit #4652 - CVE-2019-17240 (This is the exploit of CVE-2019-17240. ) (September 25, 2020)
- Exploit #4500 - Bludit 3.9.2 - Authentication Bruteforce Mitigation Bypass (August 18, 2020)