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                            CERT-Renater

                Note d'Information No. 2026/VULN800
_____________________________________________________________________

DATE                : 29/07/2026

HARDWARE PLATFORM(S): /

OPERATING SYSTEM(S): Systems running Cisco Secure Firewall Management
                                  Center Software,
                     Catalyst SD-WAN,
                     Integrated Management Controller (IMC),
                     IOS Software,
                     IOS XE Software,
                     RoomOS,
                     Terminal Services Agent.
 
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https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-onprem-fmc-authbypass-5JPp45V2
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-static-cred-BET3Cjh
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-notice-L4XfJg8S
_____________________________________________________________________

Below is the list of Cisco Security Advisories published by Cisco
PSIRT on 2026-July-29.

The following PSIRT security advisories (1 Critical, 1 High,
1 Informational) were published at 16:00 UTC today.

Table of Contents:

1) Cisco Secure Firewall Management Center Software Authentication
Bypass  Vulnerability - SIR: Critical

2) Cisco Secure Firewall Management Center Software Static Credential
Vulnerability - SIR: High

3) Cisco Advance Notification for Publication of August 5, 2026,
Security Advisories - SIR: Informational

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1) Cisco Secure Firewall Management Center Software Authentication
Bypass  Vulnerability

CVE-2026-20079

SIR: Critical

CVSS Score v(3.1): 10.0

URL: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-onprem-fmc-authbypass-5JPp45V2 ["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-onprem-fmc-authbypass-5JPp45V2"]

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2) Cisco Secure Firewall Management Center Software Static
Credential Vulnerability

CVE-2026-20316

SIR: High

CVSS Score v(3.1): 5.3

URL: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-static-cred-BET3Cjh ["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-static-cred-BET3Cjh"]

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3) Cisco Advance Notification for Publication of August 5, 2026,
Security Advisories

SIR: Informational

URL: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-notice-L4XfJg8S ["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-notice-L4XfJg8S"]

For additional information on Cisco's vulnerability management, disclosure cadence, and software patching strategy, see Cisco's Transition to a Risk-Based Vulnerability Disclosure Model: https://sec.cloudapps.cisco.com/security/center/resources/risk-based-disclosure

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