CVE-2023-5649

MEDIUM 6.8 ALL-YEARS

Published 2026-10-08 · Last modified 2026-10-08 · brocade · NVD: Analyzed

An Improper Input Validation vulnerability for the registered case credentials in Brocade ASCG before v3.0 could allow a local authenticated user to provide invalid inputs like special characters leading to a Denial of Service (DoS) when collecting “supportsave” from a Brocade Switch.

LIMITED SIGNALS

No known exploitation, public exploit, or elevated probability at this time. Track for changes.

Exploitation likelihood

0.1%chance of exploitation in 30 days · 1st percentile

○ In CISA KEV○ Catalogued PoC◆ SSVC: exploitation none, automatable no

Impact if exploited

6.8CVSS 4.0 · MEDIUM · CNA

ConfidentialityNone
IntegrityNone
AvailabilityHigh

What an attacker needs

⚠Access: Requires local access to the host
⚠Privileges: Requires a low-privilege account
✓User interaction: No user interaction needed
✓Complexity: No special conditions — reliably repeatable
✓Requirements: No special attack requirements

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept

No public PoC is currently catalogued.

Search for new PoCs

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Tracked sources are checked weekly for the full archive, including PoCs published after the original disclosure. A later release appears after a tracked source lists it and a refresh succeeds.

Affected

Vendors Brocade Broadcom

Products Brocade Active Support Connectivity Gateway

Weakness (CWE)

CWE-20: : Improper Input Validation

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

References and research data (JSON)

Known Affected Software Configurations

Vendor	Product	Version range
Broadcom	Brocade Active Support Connectivity Gateway	< 3.0.0

All CVSS metrics

MEDIUM 6.8 v4.0 · CNA Primary
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
MEDIUM 6.8 v4.0 · NVD Secondary
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
MEDIUM 5.5 v3.1 · NVD Primary
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References

Advisories

https://support.broadcom.com/external/content/SecurityAdvisories/0/22716 Vendor AdvisoryCVE record · brocade · Updated 2026-10-08T05:06:06.027Z
NVD · CVE-2023-5649 · Updated 2026-10-14T19:30:36.983
https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-60708 ADVISORYEUVD · EUVD-2023-60708

Sources: NVD · CVE.org · All sources and attribution · EPSS