Web application security and vulnerability scans of the ACOS management interface indicated a range of security weaknesses and exposures to potential attacks in the ACOS 3.x and 4.x GUI and AXAPI services. Accordingly, the following vulnerabilities are addressed in this document.
|Item #||Vulnerability ID||Score Source||Score||Summary|
|1||(a)||OWASP||Medium||Application Error Disclosure |
|2||(a)||OWASP||High||Hash Disclosure - MD5 Crypt |
The table below indicates releases of ACOS exposed to these vulnerabilities and ACOS releases that address these issues or are otherwise unaffected by them.
Customers using affected ACOS releases can overcome vulnerability exposures by updating to the indicated resolved release. If the table does not list a corresponding resolved or unaffected release, then no ACOS release update is currently available.
|Releases Affected||Releases Resolved or Unaffected|
|4.1.4 – 4.1.4-P1||4.1.4-P2|
|4.1.2 – 4.1.1-P4||4.1.1-P5|
|4.1.1 – 4.1.1-P8||4.1.1-P9|
|4.1.100 – 4.1.100-P5||4.1.100-P5-SP1|
|4.1.0 – 4.1.0-P11||4.1.0-P12|
Common security best practices in the industry for network appliance management and control planes can enhance protection against remote malicious attacks. Limit the exploitable attack surface for critical, infrastructure, networking equipment through the use of access lists or firewall filters to and from only trusted, administrative networks or hosts.
Software updates that address these vulnerabilities are or will be published at the following URL:
The following table shares brief descriptions of the vulnerabilities addressed in this document.
|Vulnerability ID||Vulnerability Description|
|Application Error Disclosure||
This page contains an error/warning message that may disclose sensitive information like the location of the file that produced the unhandled exception. This information can be used to launch further attacks against the web application. The alert could be a false positive if the error message is found inside a documentation page.
|Hash Disclosure - MD5 Crypt||
Hash was disclosed by the web server - MD4 / MD5.
|Ref #||General Link|
|1.0||September 12, 2018||
|2.0||October 11, 2019||
Added 4.1.100 release family.
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