CVE-2023-6549
Last modified
CVE-2023-6549 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. CISA has confirmed active exploitation in the wild. EPSS estimates a 57.63% chance of exploitation in the next 30 days.
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
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitation Status
This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| 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 |
References
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-6549US Government Resource
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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