Home/CVE/HCL Connections is vulnerable to a denial of service, caused by improper validation on certain requests. Using a special
CVE

CVE-2023-28018

HCL Connections is vulnerable to a denial of service, caused by improper validation on certain requests. Using a special

HCL Connections is vulnerable to a denial of service, caused by improper validation on certain requests. Using a specially-crafted request an attacker could exploit this vulnerability to cause denial of service for affected users.

MEDIUM · CVSS 5.5 EPSS 0.00046
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules8 YARA rules0
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Affected Products & Versions

1
hcltech connectionsall versions
◈

Sigma Hunt Rules

8
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighLinux Crypto Mining Pool Connections
producthighOutbound RDP Connections Over Non-Standard Tools
producthighRemote PowerShell Sessions Network Connections (WinRM)
productmediumMicrosoft Sync Center Suspicious Network Connections
productmediumSuspicious Outbound SMTP Connections
productmediumSuspicious Wordpad Outbound Connections
▣

Scoring & Timeline

5.5
MEDIUM · CVSS v3.1 · psirt@hcl.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD12 Feb 2024 · 11:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
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References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0108430Vendor Advisory
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