Home/CVE/A buffer over-read in Ivanti Secure Access Client before 22.7R4 allows a local unauthenticated attacker to cause a denia
CVE

CVE-2024-9843

A buffer over-read in Ivanti Secure Access Client before 22.7R4 allows a local unauthenticated attacker to cause a denia

A buffer over-read in Ivanti Secure Access Client before 22.7R4 allows a local unauthenticated attacker to cause a denial of service.

MEDIUM · CVSS 5 EPSS 0.00151
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules8 YARA rules0
⬡

Weakness Classification

CWE-125Out-of-bounds Read
CWE-126Buffer Over-read
▤

Affected Products & Versions

2
ivanti secure access client< 22.7
ivanti secure access clientall 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.
producthighSuspicious Microsoft Office Child Process - MacOS
producthighRemote Access Tool - Renamed MeshAgent Execution - MacOS
producthighBinary Padding - MacOS
productmediumSuspicious Execution via macOS Script Editor
productmediumSystem Information Discovery Via Sysctl - MacOS
productmediumNew File Exclusion Added To Time Machine Via Tmutil - MacOS
▣

Scoring & Timeline

5
MEDIUM · CVSS v3.1 · 3c1d8aa1-5a33-4ea4-8992-aadd6440af75
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 Nov 2024 · 05:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
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.
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://forums.ivanti.com/s/article/Security-Advisory-Ivanti-Connect-Secure-ICS-Ivanti-Policy-Secure-IPS-Ivanti-Secure-Access-Client-ISAC-Multiple-CVEsVendor Advisory
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