High severity · published Apr 10, 2024
CVE-2024-0218
DoS on IDS parsing of malformed Radius packets in Guardian before 23.4.1
7.5
CVSS
0.6%
EPSS
No
On KEV
Description
A Denial of Service (Dos) vulnerability in Nozomi Networks Guardian, caused by improper input validation in certain fields used in the Radius parsing functionality of our IDS, allows an unauthenticated attacker sending specially crafted malformed network packets to cause the IDS module to stop updating nodes, links, and assets.
Network traffic may not be analyzed until the IDS module is restarted.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 46% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GU
Guardian · Nozomi Networks
before 23.4.1 · source: vendor, CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-0218
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-0218
security.nozominetworks.com
https://security.nozominetworks.com/NN-2024:1-01
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