Cisco ASA OS uses OpenSSL.
Here I will document the versions of OpenSSL that is in Cisco ASA.
| Cisco ASA Version |
OpenSSL Version |
| 8.0 |
Not documented |
| 8.1 |
Not documented |
| 8.2 |
Not documented |
| 8.3 |
Not documented |
| 8.4 |
0.9.8f & 0.9.8l |
| 8.5 |
0.9.8f & 0.9.8l |
| 8.6 |
0.9.8f & 0.9.8l |
| 8.7 |
0.9.8f & 0.9.8l & 1.0.0e & 1.0.0j |
| 9.1 |
0.9.8f & 0.9.8l |
| 9.2 |
1.0.1e |
| 9.3 |
1.0.1e |
| 9.4(1) |
0.9.7d & patch 0.9.8 & 1.0.1l:1 |
| 9.5(1) |
0.9.7d & patch 0.9.8 & 1.0.1l:1 |
| 9.5(2) |
0.9.7d & patch 0.9.8 & 1.0.1l:1 |
You can find out this and about all Open Source used in ASA OS by google searching "open source used in cisco asa x.y".
This link works now but may not tomorrow.
Cisco ASA 5500-X Series Firewalls Licensing Information
