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Vulnerability Details :

CVE-2024-32943

Summary
Assigner-icscert
Assigner Org ID-7d14cffa-0d7d-4270-9dc0-52cabd5a23a6
Published At-20 Jun, 2024 | 22:12
Updated At-02 Aug, 2024 | 02:27
Rejected At-
Credits

Westermo L210-F2G Lynx Improper Control of Interaction Frequency

An attacker may be able to cause a denial-of-service condition by sending many SSH packets repeatedly.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:icscert
Assigner Org ID:7d14cffa-0d7d-4270-9dc0-52cabd5a23a6
Published At:20 Jun, 2024 | 22:12
Updated At:02 Aug, 2024 | 02:27
Rejected At:
▼CVE Numbering Authority (CNA)
Westermo L210-F2G Lynx Improper Control of Interaction Frequency

An attacker may be able to cause a denial-of-service condition by sending many SSH packets repeatedly.

Affected Products
Vendor
Westermo
Product
L210-F2G Lynx
Default Status
unaffected
Versions
Affected
  • 4.21.0
Problem Types
TypeCWE IDDescription
CWECWE-799CWE-799
Type: CWE
CWE ID: CWE-799
Description: CWE-799
Metrics
VersionBase scoreBase severityVector
3.17.5HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
4.08.7HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Version: 3.1
Base score: 7.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Version: 4.0
Base score: 8.7
Base severity: HIGH
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds

Westermo advises users to disable HTTP access to the WebGUI and instead use HTTPS instead. This change will secure the credentials and session IDs, effectively nullifying the exploits described. To mitigate the risk of a denial-of-service attack through continuous login attempts, Westermo recommends disabling access to the device's WebGUI on external communication interfaces. For devices in production environments, disabling the WebGUI is suggested if possible. Westermo suggests limiting access to the device's CLI on external communication interfaces to prevent SSH DOS attacks through repeated login attempts. Westermo will keep users updated on any further enhancements.

Exploits
Credits
finder
Aviv Malka and Joseph Baum of OTORIO reported these vulnerabilities to CISA.
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.cisa.gov/news-events/ics-advisories/icsa-24-172-03
N/A
Hyperlink: https://www.cisa.gov/news-events/ics-advisories/icsa-24-172-03
Resource: N/A
▼Authorized Data Publishers (ADP)
1. CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
2. CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.cisa.gov/news-events/ics-advisories/icsa-24-172-03
x_transferred
Hyperlink: https://www.cisa.gov/news-events/ics-advisories/icsa-24-172-03
Resource:
x_transferred
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:ics-cert@hq.dhs.gov
Published At:20 Jun, 2024 | 23:15
Updated At:30 Jul, 2025 | 18:05

An attacker may be able to cause a denial-of-service condition by sending many SSH packets repeatedly.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.08.7HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/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
Secondary3.17.5HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Type: Secondary
Version: 4.0
Base score: 8.7
Base severity: HIGH
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/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
Type: Secondary
Version: 3.1
Base score: 7.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CPE Matches
westermo
westermo
>>l210-f2g_firmware>>4.21.0
cpe:2.3:o:westermo:l210-f2g_firmware:4.21.0:*:*:*:*:*:*:*
westermo
westermo
>>l210-f2g>>-
cpe:2.3:h:westermo:l210-f2g:-:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-799Secondaryics-cert@hq.dhs.gov
CWE ID: CWE-799
Type: Secondary
Source: ics-cert@hq.dhs.gov
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://www.cisa.gov/news-events/ics-advisories/icsa-24-172-03ics-cert@hq.dhs.gov
Third Party Advisory
US Government Resource
https://www.cisa.gov/news-events/ics-advisories/icsa-24-172-03af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
US Government Resource
Hyperlink: https://www.cisa.gov/news-events/ics-advisories/icsa-24-172-03
Source: ics-cert@hq.dhs.gov
Resource:
Third Party Advisory
US Government Resource
Hyperlink: https://www.cisa.gov/news-events/ics-advisories/icsa-24-172-03
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Third Party Advisory
US Government Resource

Change History

0
Information is not available yet

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