CVE-2015-10141: Xdebug Remote Debugger Unauthenticated OS Command Execution
An unauthenticated OS command injection vulnerability exists within Xdebug versions 2.5.5 and earlier, a PHP debugging extension developed by Derick Rethans. When remote debugging is enabled, Xdebug listens on port 9000 and accepts debugger protocol commands without authentication. An attacker can send a crafted eval command over this interface to execute arbitrary PHP code, which may invoke system-level functions such as system() or passthru(). This results in full compromise of the host under the privileges of the web server user.
Security readout for executives and security teams
This issue turns an exposed Xdebug remote debugging service into a remote takeover path. If Xdebug remote debugging is reachable without authentication, an attacker may run PHP code that can execute operating system commands as the web server user. Most likely exposure is development, staging, or misconfigured production PHP hosts with Xdebug installed, remote debugging enabled, and port 9000 reachable from untrusted networks. Treat as urgent for any externally reachable PHP environment. The business risk is full server compromise, but urgency depends on whether Xdebug remote debugging is installed and exposed. Mitigation focus: Remove Xdebug from production systems unless explicitly required.; Disable Xdebug remote debugging on all non-development hosts.; Block external access to the debugger service, especially port 9000..
Prepared
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Potential ATT&CK relevance
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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cwe · medium confidence lookup
CWE-306: Credential and account abuse lookup
Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Command injection weaknesses can lead defenders to review execution techniques and command interpreter telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
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1CVSS vectors
3Timeline events
1ADP providers
6Source links
SSVC decision data
CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: pocAutomatable: yesTechnical Impact: total
CVSS vector scores
1 official score
We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.