DoS in Citrix NetScaler ADC & Gateway when Gateway Configured
CVE-2023-4967 Published on October 27, 2023
Denial of service
Denial of Service in NetScaler ADC and NetScaler Gateway when configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA Virtual Server
Vulnerability Analysis
CVE-2023-4967 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, with no impact on integrity, and a high impact on availability.
Weakness Type
What is a Buffer Overflow Vulnerability?
The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.
CVE-2023-4967 has been classified to as a Buffer Overflow vulnerability or weakness.
Products Associated with CVE-2023-4967
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Affected Versions
Cloud Software Group NetScaler ADC:- Version 14.1 and below 8.50 is affected.
- Version 13.1 and below 49.15 is affected.
- Version 13.0 and below 92.19 is affected.
- Version 13.1-FIPS and below 37.164 is affected.
- Version 12.1-FIPS and below 55.300 is affected.
- Version 12.1-NDcPP and below 55.300 is affected.
- Version 14.1 and below 8.50 is affected.
- Version 13.1 and below 49.15 is affected.
- Version 13.0 and below 92.19 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.