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Junos J-Web Sajax Remote Code Execution Vulnerability

Information

Severity

Severity

Critical

Family

Family

JunOS Local Security Checks

CVSSv2 Base

CVSSv2 Base

9.0

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Solution Type

Solution Type

Vendor Patch

Created

Created

9 years ago

Modified

Modified

5 years ago

Summary

Remote Code Execution on J-Web

Insight

Insight

Juniper Junos could allow a remote authenticated attacker to execute arbitrary commands on the system, caused by the failure to restrict access to /jsdm/ajax/port.php. If J-Web is enabled, an attacker could send specially-crafted data to execute arbitrary OS commands on the system with root privileges.

Affected Software

Affected Software

Junos OS 10.4, 11.4, 12.1, 12.2 and 12.3.

Detection Method

Detection Method

Checks if a vulnerable OS build is present on the target host.

Solution

Solution

New builds of Junos OS software are available from Juniper. As a workaround disable J-Web.

Common Vulnerabilities and Exposures (CVE)