CVE-2023-46220: An attacker sending specially crafted data packets to the Mobile Device Server can cause memory corruption which could result to a Denial of Service (DoS) or…

PriorityP269critical9.8CVSS 3.1

AVNACLPRNUINSUCHIHAH

EPSS

11.34%

95.4th percentile

An attacker sending specially crafted data packets to the Mobile Device Server can cause memory corruption which could result to a Denial of Service (DoS) or code execution.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
ivanti	avalanche	< 6.4.2	6.4.2
ivanti	avalanche	—	—

Detection & IOCsextracted from sources · hover to see the quote

→Target service for exploitation is the Ivanti Avalanche Mobile Device Server (WLAvalancheService), which processes incoming data packets; monitor for anomalous or malformed packet traffic directed at this service ↗
→The vulnerability class is a Stack Buffer Overflow in WLAvalancheService; detection should focus on stack-based memory corruption patterns or crash telemetry from this process ↗

·Affected product is Ivanti Avalanche; ensure the Mobile Device Server (WLAvalancheService) component is in scope for monitoring and patching ↗

CVSS provenance

nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvdv3.09.8CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.