Cisco 5921 Embedded Services Router (ESR)
Cisco 5921 Embedded Services Router (ESR), from Cisco Systems, Inc., holds FIPS 140-2 certificate #2244 at overall level 1. The validation is historical: agencies may keep the module in existing systems but not buy it new. Below are its validation history, algorithm certificates and security policy, drawn from the NIST CMVP entry.
Certificate
| Certificate number | 2244 |
|---|---|
| Standard | FIPS 140-2 |
| Status | historical |
| Overall level | 1 |
| Module type | Software |
| Embodiment | Multi-chip standalone |
| Vendor | Cisco Systems, Inc. · website |
| Software versions | 15.2(4)GC |
Module description
Quoted from the NIST CMVP entry for this certificate.
The Cisco ESR 5921 Embedded Services Router is a software product that runs IOS 15.2(4)GC in an x86-based Linux host environment. The binary is a Router application which allows Linux software connections with virtual and physical Linux interfaces on the host hardware. The Cisco 5921 Embedded Services Router provides a secure, manageable device which meets FIPS 140-2 Level 1 requirements.
Security level exceptions
- Roles, Services, and Authentication: Level 2
- Physical Security: N/A
- Design Assurance: Level 3
- Mitigation of Other Attacks: N/A
Approved algorithms (8)
Other algorithms
DES; DES MAC; Diffie-Hellman (key agreement; key establishment methodology provides 112 bits of encryption strength); GDOI (key wrapping; key establishment methodology provides between 112 and 256 bits of encryption strength); HMAC MD4; HMAC MD5; MD4; MD5; NDRNG; RC4; RSA (key wrapping; key establishment methodology provides 112 bits of encryption strength)
Tested configurations
- CentOS Linux 6.4 running on an Intel Desktop Board D2500CC (single-user mode)
Validation history
| Date | Type | Lab |
|---|---|---|
| 2014-09-10 | Initial | Leidos Accredited Testing & Evaluation (AT&E) Lab |
Status timeline
As observed by this tracker's snapshots. NIST publishes no dates for list moves; observation began 2026-08-21, so earlier changes carry no date.
- 2026-08-21: first observed by this tracker, status historical
- Validation dates on record: 2014-09-10