CVE-2023-6549: Citrix NetScaler ADC and NetScaler Gateway Buffer Overflow Vulnerability
High · CVSS 8.2 (CVSS 3.1)KEV known exploitedEPSS 57.6%, 99th percentilePublished Updated Assigner: Citrix
In CISA’s Known Exploited Vulnerabilities catalog: Citrix NetScaler ADC and NetScaler Gateway Buffer Overflow Vulnerability.
Added , federal remediation due . Known ransomware use: Unknown.
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
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
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H · CWE-119
Status incidents that name it
No tracked status incident names this CVE.
Affected vendors and products
Cloud Software Group: NetScaler ADC
References
- CVE record on cve.org (opens in new tab)
- NVD entry (opens in new tab)
- support.citrix.com/article/CTX584986/netscaler-adc-and-netscaler-gateway-security-bullet… (opens in new tab)
- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)