What’s Vulnerable › Vulnerabilities

CVE-2025-34102: CryptoLog Unauthenticated RCE via SQL Injection and Command Injection

• Severity: critical (CVSS 9.3 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 9.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-07-10 · updated 2026-06-17
• Weakness: CWE-20

Description

A remote code execution vulnerability exists in CryptoLog (PHP version, discontinued since 2009) due to a chained exploitation of SQL injection and command injection vulnerabilities. An unauthenticated attacker can gain shell access as the web server user by first exploiting a SQL injection flaw in login.php to bypass authentication, followed by command injection in logshares_ajax.php to execute arbitrary operating system commands. The login bypass is achieved by submitting crafted SQL via the user POST parameter. Once authenticated, the attacker can abuse the lsid POST parameter in the logshares_ajax.php endpoint to inject and execute a command using $(...) syntax, resulting in code execution under the web context. This exploitation path does not exist in the ASP.NET version of CryptoLog released since 2009.

Affected products

• Crypttech CryptoLog: from unspecified PHP versions before ASP.NET rewrite (2009) — fixed in ASP.NET rewrite (2009)

How to fix

Upgrade to a fixed version: Crypttech CryptoLog ASP.NET rewrite (2009). Check the vendor advisory for mitigations.

References

• https://pentest.blog/advisory-cryptolog-unauthenticated-remote-code-execution/
• https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/linux/http/crypttech_cryptolog_login_exec.rb
• https://vulncheck/advisories/cryptolog-unauthenticated-rce
• https://www.exploit-db.com/exploits/41980

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