CWE-553

Variant Abstraction Level
Pillar — Highest-level weakness category
Class — Abstract, language-independent
Base — Specific enough to detect
Variant — Tied to specific technology
Compound — Requires multiple weaknesses Incomplete MITRE CWE Status
Stable — Fully reviewed and complete
Draft — Under development, may change
Incomplete — Partially defined by MITRE
Deprecated — No longer recommended
Obsolete — Replaced by another CWE
Command Shell in Externally Accessible Directory

Description

A possible shell file exists in /cgi-bin/ or other accessible directories. This is extremely dangerous and can be used by an attacker to execute commands on the web server.

Consequences

Confidentiality, Integrity, Availability — Execute Unauthorized Code or Commands

Mitigations

Phase: Installation, System Configuration

Remove any Shells accessible under the web root folder and children directories.