CVE-2023-6549
high · 8.2Actively exploitedOn the CISA Known Exploited Vulnerabilities catalog
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Added 2024-01-17Remediation due 2024-02-07
A public exploit / detection template exists
Weaponised detection is publicly available, which meaningfully raises real-world risk regardless of CVSS. nuclei-templates →
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
8.2
CVSS
57.6%
EPSS (exploit prob.)
99th
EPSS percentile
2024-01-17
Published
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Weaknesses
CWE-119
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| citrix | netscaler_application_delivery_controller | >= 12.1, < 12.1-55.302 |
| citrix | netscaler_application_delivery_controller | >= 12.1, < 12.1-55.302 |
| citrix | netscaler_application_delivery_controller | >= 13.0, < 13.0-92.21 |
| citrix | netscaler_application_delivery_controller | >= 13.1, < 13.1-37.176 |
| citrix | netscaler_application_delivery_controller | >= 13.1, < 13.1-51.15 |
| citrix | netscaler_application_delivery_controller | >= 14.1, < 14.1-12.35 |
| citrix | netscaler_gateway | >= 13.0, < 13.0-92.21 |
| citrix | netscaler_gateway | >= 13.1, < 13.1-51.15 |
| citrix | netscaler_gateway | >= 14.1, < 14.1-12.35 |
Check a specific version with /api/v1/cve/match.
References
- https://support.citrix.com/article/CTX584986/netscaler-adc-and-netscaler-gateway-security-bulletin-for-cve20236548-and-cve20236549
- https://support.citrix.com/article/CTX584986/netscaler-adc-and-netscaler-gateway-security-bulletin-for-cve20236548-and-cve20236549
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-6549
Query this programmatically:
curl https://evil-db.io/api/v1/cve/CVE-2023-6549