Bill Morefield My thoughts, discoveries, and occasional rambiings.

January 22, 2014

Cisco ASDM gives “Missing required Permissions manifest attribute in main jar” Error

Filed under: Cisco — Tags: , — Bill Morefield @ 4:45 pm

Java pushed out a new update recently that implemented a change that had been warned about for a while. by default it now no longer allows running apps that are unsigned, self-signed, or without permission attributes.

This includes Cisco ASDM manager. The quick fix (other than Cisco adding the missing permission attributes file) is to add the web address where ASDM is accessed as an exception. You can do do this in Java Settings control panel. This is reached under Window by the Java option under Control Panel.

There select the Security tab and click the Edit Site List… button next to the Exception Site List. Here add the URL to the firewalls that you access with ASDM. After doing this, ASDM will connect and work again normally.

Interestingly enough given Java’s sudden concern about my security, it still asks to install the Ask Toolbar every update….

More info on the change at


  1. Awesome write up! I just experienced this issue! 🙂 This worked for me!

    Comment by Joe — January 28, 2014 @ 4:57 am

  2. Thank you SOOOO much!

    Take care.

    Comment by GuesWhoo — February 4, 2014 @ 1:38 pm

  3. Thanks for this Bill. Saved me a lot of time troubleshooting. Receiving an error while trying to log in to your ASDM will definitely send a shiver down your spine…

    Comment by Tim — February 4, 2014 @ 7:15 pm

  4. Exactly what I needed. Thanks for sharing!

    Comment by Farhan Ahmad — February 25, 2014 @ 10:42 pm

  5. Thanks a MILLION for this note! VERY helpful!

    Comment by David Sentelle — March 6, 2014 @ 9:24 am

  6. Worked like a charm! spend hours trying to figure out the issue before this article!!

    Comment by Xavier — March 31, 2014 @ 1:27 pm

  7. Thanx

    Comment by angy_v — April 3, 2014 @ 6:56 am

  8. Excellent write-up.
    Clear, Crisp and To-the-point.
    I hope all technical articles are written in a similar manner and format.

    Comment by adam — April 7, 2014 @ 8:34 am

  9. Thanks a lot for your tip, it solved my problem

    Comment by ricky — May 7, 2014 @ 4:19 am

  10. Thanks a lot, work perfectly
    ASA 5510 8.2.5 ASDM 7.1.2

    Comment by pascal — May 15, 2014 @ 6:01 am

  11. Great!!! Many thanks!

    Comment by cristi — August 4, 2014 @ 5:24 am

  12. worked like a charm!!

    Comment by anthony — November 20, 2014 @ 6:32 am

  13. Awesome, that toolbar line was hilarious, thanks.

    Keep Smiling!

    Comment by Norman — February 4, 2015 @ 10:24 pm

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