CVE-2024-21862

Local privilege escalation via uncontrolled search path

Published May 16, 2024 · Updated Aug 20, 2024

Uncontrolled search path in Intel Quartus Prime Standard Edition before 23.1 allows local users to escalate privileges via local access. Intel and Altera have not disclosed the affected executable or library, the searched resource, or how an attacker controls the search element. Exploitation requires authenticated local access, low existing privileges, and user interaction before elevated privileges can be gained.

CVSS severity6.7
Medium
EPSS probability0.18%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Uncontrolled search path in Intel Quartus Prime Standard Edition before 23.1 allows local users to escalate privileges via local access. Intel and Altera have not disclosed the affected executable or library, the searched resource, or how an attacker controls the search element. Exploitation requires authenticated local access, low existing privileges, and user interaction before elevated privileges can be gained.

The record

CVE
CVE-2024-21862
Published
May 16, 2024
Updated
Aug 20, 2024
Vendor
Topcon Positioning Systems, Inc.
Product
Intel Quartus Prime Standard Edition Design Software
Classifications
CWE-427, T1574.007
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. May 16, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 20, 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=0 <23.1
  2. Affected versionversion=before version 23.1

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Topcon Positioning Systems, Inc. · Intel Quartus Prime Standard Edition Design Softwareversion=0 <23.1; version=before version 23.1

Published CVSS scores

7.3NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
6.7Intel CorporationCVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-427Uncontrolled Search Path Element
T1574.007PATH Environment Variable Hijacking

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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