Synopsis :

The remote device is missing a vendor-supplied security patch.

Description :

According to its self-reported version number, the remote Junos device
has a heap buffer overflow in the J-Web component. Sending an
unspecified request related to URL encoding can correct heap memory. A
remote, unauthenticated attacker could exploit this to execute arbitrary
code.

See also :

http://www.nessus.org/u?f7cc8b6e

Solution :

Apply the relevant Junos upgrade referenced in Juniper advisory
PSN-2013-01-807.

Risk factor :

Critical / CVSS Base Score : 10.0
(CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C)