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cvelistNozomiCVELIST:CVE-2024-0218
HistoryApr 10, 2024 - 3:55 p.m.

CVE-2024-0218 DoS on IDS parsing of malformed Radius packets in Guardian before 23.4.1

2024-04-1015:55:59
CWE-20
Nozomi
www.cve.org
cve-2024-0218
denial of service
nozomi networks guardian
improper input validation
radius parsing
ids module
network packets
restart
network traffic

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

8.2 High

CVSS4

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/SC:N/VI:N/SI:N/VA:H/SA:L

0.0004 Low

EPSS

Percentile

9.1%

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.

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "Guardian",
    "vendor": "Nozomi Networks",
    "versions": [
      {
        "lessThan": "23.4.1",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      }
    ]
  }
]

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

8.2 High

CVSS4

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/SC:N/VI:N/SI:N/VA:H/SA:L

0.0004 Low

EPSS

Percentile

9.1%

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