CVE-2023-6549

Description

Improper Restriction of Operations within the Bounds of a Memory Buffer in NetScaler ADC and NetScaler Gateway allows Unauthenticated Denial of Service and Out-Of-Bounds Memory Read

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

• 8.2CVSS 3.1, Highfrom the CNA (Citrix)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

What to do

• Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.CISA KEV required action

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

Timeline

1. 17 Jan 2024 CVE-2023-6549 added to CISA KEV
2. 17 Jan 2024 Added to the CISA KEV catalogue
3. 17 Jan 2024 Published

Weakness

• CWE-119

References

• support.citrix.com