Cyber Posture

CVE-2016-15057

Critical

Published: 26 January 2026

Published
26 January 2026
Modified
27 January 2026
KEV Added
Patch
CVSS Score 9.9 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS Score 0.2889 96.6th percentile
Risk Priority 37 60% EPSS · 20% KEV · 20% CVSS

Description

** UNSUPPORTED WHEN ASSIGNED ** Improper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability in Apache Continuum. This issue affects Apache Continuum: all versions. Attackers with access to the installations REST API can use this to invoke…

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arbitrary commands on the server. As this project is retired, we do not plan to release a version that fixes this issue. Users are recommended to find an alternative or restrict access to the instance to trusted users. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

Mitigating Controls (NIST 800-53 r5)AI

prevent

Mandates identification and replacement of unsupported system components like retired Apache Continuum, directly addressing the lack of patches and preventing exploitation of the command injection vulnerability.

prevent

Requires information input validation at REST API endpoints to neutralize special elements and block command injection attacks.

prevent

Enforces least privilege to restrict REST API access to only trusted users, mitigating exploitation by low-privilege (PR:L) attackers as recommended in advisories.

Security SummaryAI

CVE-2016-15057 is an improper neutralization of special elements used in a command, classified as a command injection vulnerability (CWE-77), affecting all versions of Apache Continuum. This flaw exists in the project's REST API, enabling attackers to inject and execute arbitrary commands on the affected server. The vulnerability carries a CVSS v3.1 base score of 9.9 (AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H), indicating critical severity due to its network accessibility, low attack complexity, low privilege requirements, lack of user interaction, and high impacts across confidentiality, integrity, and availability in a scoped environment.

Attackers who gain access to an Apache Continuum instance's REST API, requiring only low privileges (PR:L), can exploit this vulnerability remotely over the network with minimal complexity. Successful exploitation allows them to invoke arbitrary operating system commands on the server, potentially leading to full system compromise, data exfiltration, or further lateral movement within the environment.

Advisories note that Apache Continuum is a retired project, marked as unsupported when this CVE was assigned, with no plans for a patching release. Mitigation recommendations include migrating to an alternative solution or strictly restricting REST API access to trusted users only. This issue exclusively impacts unsupported products, as detailed in the Apache mailing list announcement and OSS-Security discussion.

Details

CWE(s)

Affected Products

apache
continuum
all versions

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
T1210 Exploitation of Remote Services Lateral Movement
Adversaries may exploit remote services to gain unauthorized access to internal systems once inside of a network.
T1059 Command and Scripting Interpreter Execution
Adversaries may abuse command and script interpreters to execute commands, scripts, or binaries.
T1068 Exploitation for Privilege Escalation Privilege Escalation
Adversaries may exploit software vulnerabilities in an attempt to elevate privileges.
Why these techniques?

Command injection in network-accessible REST API (PR:L) enables exploitation of public-facing application (T1190), remote services (T1210), arbitrary command execution (T1059), and privilege escalation (T1068).

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

References