Published:2014/04/18  Last Updated:2014/04/18

Cybozu Remote Service Manager vulnerable to denial-of-service (DoS)


Remote Service Manager contains a denial-of-service (DoS) vulnerability.

Products Affected

  • Remote Service Manager 2.3.0 and earlier
  • Remote Service Manager 3.1.0 and earlier


Remote Service Manager provided by Cybozu,Inc. is a software to access on-premise systems such as Cybozu products via "Cybozu Remote Service". Remote Service Manager contains a denial-of-service (DoS) vulnerability.


An attacker may cause a denial-of-service on a server that is installed Remote Service Manager. As a result, the user may not be able to use "Cybozu Remote Service".


Update the Software
Update to the latest version according to the information provided by the developer.

Vendor Status

Vendor Status Last Update Vendor Notes
Cybozu, Inc. Vulnerable 2014/04/18 Cybozu, Inc. website


JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2014.04.18 (CVSS Base Metrics)

What is CVSS?

Measures Severity Description
Access Vector(AV) Local (L) Adjacent Network (A) Network (N) A vulnerability exploitable with network access means the vulnerable software is bound to the network stack and the attacker does not require local network access or local access. Such a vulnerability is often termed "remotely exploitable".
Access Complexity(AC) High (H) Medium (M) Low (L) The access conditions are somewhat specialized.
Authentication(Au) Multiple (M) Single (S) None (N) Authentication is not required to exploit the vulnerability.
Confidentiality Impact(C) None (N) Partial (P) Complete (C) There is no impact to the confidentiality of the system.
Integrity Impact(I) None (N) Partial (P) Complete (C) There is no impact to the integrity of the system.
Availability Impact(A) None (N) Partial (P) Complete (C) There is a total shutdown of the affected resource.

Base Score:7.1


Other Information

JPCERT Reports
CERT Advisory
CPNI Advisory
CVE CVE-2014-1983
JVN iPedia JVNDB-2014-000039