808bits

Cisco 5921 Embedded Services Router (ESR)

FIPS 140-2 certificate #2244 · Cisco Systems, Inc. · data as of 2026-08-28
Historical. Moved to historical list due to sunsetting. Federal agencies may reference historical validations for existing systems only, not for new procurement.
Caveat: When operated in FIPS mode

Certificate

Certificate number2244
StandardFIPS 140-2
Statushistorical
Overall level1
Module typeSoftware
EmbodimentMulti-chip standalone
VendorCisco Systems, Inc. · website
Software versions15.2(4)GC

Module description

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

AlgorithmCAVP certificate
AES2785
CVL237
DRBG472
ECDSA486
HMAC1744
RSA1457
SHS2340
Triple-DES1673

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

DateTypeLab
2014-09-10InitialLeidos 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

Source documents