Read the docs
TI-2016-01247 Aliases CVE-2016-1356GHSA-j66f-ff6x-m5fc

Cisco FireSIGHT System Software 6.1.0 does not use a constant-time algorithm for…

Priority LOW 19CWE-255Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
Security bypass
Confidentiality · integrity · availability
Low · None · None
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-287.

Summary

Cisco FireSIGHT System Software 6.1.0 does not use a constant-time algorithm for verifying credentials, which makes it easier for remote attackers to enumerate valid usernames by measuring timing differences, aka Bug ID CSCuy41615.

Why it matters now

EPSS 0.00831 57th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:cisco:firesight_system_software:_6.1.0:*:*:*:*:*:*:*_6.1.0VulnerableCisco
  • cpe:2.3:a:cisco:firesight_system_software:_6.1.0:*:*:*:*:*:*:* Versions _6.1.0 Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-1356
  2. 2026-10-03 Alias added: GHSA-j66f-ff6x-m5fc

References

Advisory 1

  • TI-2015-05322 The policy implementation in Cisco FireSIGHT Management Center 5.3.1.7, 5.4.0.4, and… CVSS 2.0HIGH 9.0
  • TI-2016-05477 Session fixation vulnerability in Cisco Firepower Management Center and Cisco FireSIGHT… CVSS 3.0CRITICAL 9.1
  • TI-2016-05499 Cross-site request forgery (CSRF) vulnerability in Cisco FireSIGHT System Software 4.10.2… CVSS 3.0HIGH 8.8
  • TI-2016-01285 Cisco Firepower System Software 6.0.0 through 6.1.0 has a hardcoded account, which allows… CVSS 3.0HIGH 8.6
  • TI-2016-07522 Improper input validation in Cisco FireSIGHT CVSS 3.0HIGH 7.5
  • TI-2016-01351 Cisco FireSIGHT System Software 5.3.0, 5.3.1, 5.4.0, 6.0, and 6.0.1 allows remote… CVSS 3.0HIGH 7.5
See all 34 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences