How serious is CVE-2023-6549?

This vulnerability has a CVSS score of 7.5 out of 10, classified as HIGH severity. Proof-of-concept exploit code is publicly available, making this an active threat.

Is there exploit code available for CVE-2023-6549?

Yes, proof-of-concept exploit code for CVE-2023-6549 is publicly available on GitHub and security research platforms. This increases the risk of active exploitation.

Which products are affected by CVE-2023-6549?

CVE-2023-6549 affects citrix netscaler application delivery controller. Check the full CVE details for specific version information.

How do I fix CVE-2023-6549?

To remediate CVE-2023-6549, check for security patches from citrix. Apply all available updates and security patches. If no patch is available, implement recommended workarounds or security controls to mitigate the risk.

CVE-2023-6549

High

|7.5

Exploit Available

Plain English Summary

AI-powered analysis for quick understanding

This vulnerability allows an attacker to crash the NetScaler application delivery controller or read sensitive data from memory without needing to log in. It can be exploited simply by sending specially crafted requests to the device, making it a significant risk for organizations using this product.

Technical 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

CVSS Vector Analysis

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

Confidentiality ImpactNone

Integrity ImpactNone

Availability ImpactHigh

ScopeUnchanged

Vector String

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Resources

Search for proof-of-concept code and exploit modules

GitHub Search Exploit-DB Nuclei Templates Metasploit Vulners

Official References

NIST NVD

Est. Bounty

$2,053($1K-$5K)

Vendor Response

Grade FPatched in 770 days

Quick Information

Published

Jan 17, 2024

about 2 years ago

Last Modified

Feb 26, 2026

about 1 month ago

Vendor

citrix

Product

netscaler application delivery controller

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