WL-Enq (WEB Enquete) vulnerable to OS command injection


WL-Enq (WEB Enquete) provided by WonderLink is a CGI to provide web enquete functions.
WL-Enq (WEB Enquete) contains an OS command injection vulnerability (CWE-78).

During the meeting of Committee for authorizing the disclosure of unresolved vulnerabilities held on January 16, 2020, it was judged that an advisory for this vulnerability shall be disclosed since all the criteria and conditions described below which are stated in Standards for Handling Vulnerability related Information of Software Products and Other and Information Security Early Warning Partnership Guideline have been satisfied.

1.The developer of the product is unreachable:
2.Existence of vulnerability has been verified:
3.Not disclosing this case may result in the risk that product users will have no means to know of the existence of the vulnerability in the product:
4.There are no particular reasons that would make disclosure inappropriate:
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 8.8 (High) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: Required
  • Scope: Unchanged
  • Confidentiality Impact: High
  • Integrity Impact: High
  • Availability Impact: High
CVSS V2 Severity:
Base Metrics 6.8 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Medium
  • Authentication: None
  • Confidentiality Impact: Partial
  • Integrity Impact: Partial
  • Availability Impact: Partial
Affected Products

  • WL-Enq 1.11

The above is the software product and version that have been reported.

A remote attacker may execute arbitrary OS commands with the administrative privilege.

[Consider stop using WL-Enq 1.12]
Since the developer was unreachable, existence of any mitigations is unknown.
Vendor Information

CWE (What is CWE?)

  1. OS Command Injection(CWE-78) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2020-5560

  1. JVN : JVN#27951364
Revision History

  • [2020/03/25]
      Web page was published