Memory overflow vulnerability leading to unintended control flow and Denial of Service
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Listed in CISA KEV
- Fix
- Fixed in 47.46, 59.19, 37.236
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
This vulnerability affects Citrix NetScaler ADC and NetScaler Gateway appliances when they are configured as a Gateway (including VPN virtual server, ICA Proxy, CVPN, and RDP Proxy setups) or as an AAA virtual server. A successful attack could allow an unauthenticated attacker to alter the program's control flow or crash the device, causing a denial of service.
Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.
Read the original description
Memory overflow vulnerability leading to unintended control flow and Denial of Service in NetScaler ADC and NetScaler Gateway when configured as Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server
Timeline
- CVE published
- Added to CISA KEV
CISA has evidence of exploitation in the wild
- CISA remediation deadline
Due date for US federal agencies to patch
- Record last updated
- EPSS reached 10%
FIRST estimates at least a 10% chance of exploitation in the next 30 days
Affected versions
- NetScaler ADC
From 14.1 · fixed in 47.46; From 13.1 · fixed in 59.19; From 13.1 FIPS and NDcPP · fixed in 37.236
- NetScaler Gateway
From 14.1 · fixed in 47.46; From 13.1 · fixed in 59.19; From 13.1 FIPS and NDcPP · fixed in 37.236