CVE-2024-8534: citrix netscaler_application_delivery_controller
Vulnerability summary
CVE-2024-8534 is a high (CVSS 8.4) vulnerability in citrix netscaler_application_delivery_controller. EPSS estimates a 0.56% chance of exploitation in the next 30 days, higher than 45.3% of scored vulnerabilities.
Timeline
- 12-11-2024PublishedVulnerability first disclosed.
- 21-11-2024Last modifiedVulnerability information updated.
Description
Memory safety vulnerability leading to memory corruption and Denial of Service in NetScaler ADC and Gateway if the appliance must be configured as a Gateway (VPN Vserver) with RDP Feature enabled OR the appliance must be configured as a Gateway (VPN Vserver) and RDP Proxy Server Profile is created and set to Gateway (VPN Vserver) OR the appliance must be configured as a Auth Server (AAA Vserver) with RDP Feature enabled
CVSS metrics
3 scores · 2 sources · 2 versions- NVDNIST8.4HighCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS trend
Probability
0.56%
Chance of exploitation in the next 30 days
Percentile
45%
Versus all other CVEs
30-day change
0.00 pp
From 0.56% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
- CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
Affected systems
Citrix2 products
- netscaler_application_delivery_controller≥ 12.1, < 12.1-55.321 | ≥ 12.1, < 13.1-55.34 | ≥ 13.1, < 13.1-37.207 | ≥ 14.1, < 14.1-29.72
- netscaler_gateway≥ 12.1, < 13.1-55.34 | ≥ 14.1, < 14.1-29.72
Netscaler1 product
- netscaler gateway≥ 14.1, < 29.72 | ≥ 13.1, < 55.34 | ≥ 13.1-FIPS, < 37.207 | ≥ 12.1-FIPS, < 55.321 | ≥ 12.1-NDcPP, < 55.321
Netsclaer1 product
- netscaler adc≥ 14.1, < 29.72 | ≥ 13.1, < 55.34 | ≥ 13.1-FIPS, < 37.207 | ≥ 12.1-FIPS, < 55.321 | ≥ 12.1-NDcPP, < 55.321
3 vendors · 4 products
References
1 links- support.citrix.com/s/…Vendor Advisory