CVE-2023-4967 json
Denial of service
published 2023-10-27 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-54803
- cvss
- 8.2
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 63%
- public exploits
- 0
- none known
Summary
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
Patch / fix
- Cloud Software Group NetScaler ADC 8.50, 37.164, 49.15, 55.300, 92.19
- Cloud Software Group NetScaler Gateway 8.50, 49.15, 92.19
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 20 mo ago
Exploit prediction
1.03% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.2 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected products
- Cloud Software Group NetScaler ADC
- Cloud Software Group NetScaler Gateway
Classification
- Weakness
-
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
- Technology feeds
References
-
support.citrix.com
/article/CTX579459/
vendor-advisory
Sources
- CVE List CVE-2023-4967
- NVD CVE-2023-4967
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.