CVE-2012-1823 vulnerability in PHP and Other Products
Published on May 11, 2012
Known Exploited Vulnerability
This PHP-CGI Query String Parameter Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. sapi/cgi/cgi_main.c in PHP, when configured as a CGI script, does not properly handle query strings, which allows remote attackers to execute arbitrary code.
The following remediation steps are recommended / required by April 15, 2022: Apply updates per vendor instructions.
Vulnerability Analysis
CVE-2012-1823 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors in an automatable fashion. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.
Weakness Type
What is a Command Injection Vulnerability?
The software constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.
CVE-2012-1823 has been classified to as a Command Injection vulnerability or weakness.
Products Associated with CVE-2012-1823
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Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.