CVE-2024-9843

Service interruption via undisclosed buffer over-read

Published Nov 12, 2024 · Updated Nov 12, 2024

Buffer over-read in Ivanti Secure Access Client before 22.7R4 allows local users to cause a service interruption on macOS. Ivanti has not disclosed the affected component, attacker-controlled input, or operation that performs the out-of-bounds read. Exploitation requires local access and user interaction; availability is the only reported security impact.

CVSS severity5.5
Medium
EPSS probability0.26%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Buffer over-read in Ivanti Secure Access Client before 22.7R4 allows local users to cause a service interruption on macOS. Ivanti has not disclosed the affected component, attacker-controlled input, or operation that performs the out-of-bounds read. Exploitation requires local access and user interaction; availability is the only reported security impact.

The record

CVE
CVE-2024-9843
Published
Nov 12, 2024
Updated
Nov 12, 2024
Vendor
Ivanti
Product
Ivanti Secure Access Client
Classifications
CWE-125, CWE-126, CAPEC-10, T1499.004
Attack vector
local
Privileges
Unavailable

Timeline

How it unfolded

  1. Nov 12, 2024CVE publishedPublication date reported by the CVE source.
  2. Nov 12, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=22.7r4

What conditions does exploitation require?

Attack vectorlocal
Required privilegesUnavailable in this record.

What is affected?

Ivanti · Ivanti Secure Access Clientversion=22.7r4

Published CVSS scores

5.0IvantiCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
5.5NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
PrivilegesUnavailable
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-125Out-of-bounds Read
CWE-126Buffer Over-read
CAPEC-10Buffer Overflow via Environment Variables
T1499.004Application or System Exploitation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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