How severe is CVE-2024-8539?

CVE-2024-8539 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2024-8539 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-8539?

CVE-2024-8539 primarily affects Ivanti Secure Access Client. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-8539?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-8539 have an EU (EUVD) identifier?

Yes. CVE-2024-8539 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-49249.

When was CVE-2024-8539 published?

CVE-2024-8539 was published on 2024-11-12 and last updated on 2026-06-17.

CVE-2024-8539

CVE-2024-8539 is a high-severity vulnerability in Ivanti Secure Access Client with a CVSS 3.x base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-267.

Key facts

Severity: High (CVSS 3.x base score 7.1)
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-49249
Weakness: CWE-267
Affected product: Ivanti Secure Access Client
Published: 2024-11-12
Last modified: 2026-06-17

Description

Improper authorization in Ivanti Secure Access Client before version 22.7R3 allows a local authenticated attacker to modify sensitive configuration files.

Frequently asked questions

What is CVE-2024-8539?: Improper authorization in Ivanti Secure Access Client before version 22.7R3 allows a local authenticated attacker to modify sensitive configuration files.
How severe is CVE-2024-8539?: CVE-2024-8539 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2024-8539 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-8539?: CVE-2024-8539 primarily affects Ivanti Secure Access Client. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-8539?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-8539 have an EU (EUVD) identifier?: Yes. CVE-2024-8539 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-49249.
When was CVE-2024-8539 published?: CVE-2024-8539 was published on 2024-11-12 and last updated on 2026-06-17.

References

https://forums.ivanti.com/s/article/Security-Advisory-Ivanti-Connect-Secure-ICS-Ivanti-Policy-Secure-IPS-Ivanti-Secure-Access-Client-ISAC-Multiple-CVEs

Affected products (5)

cpe:2.3:a:ivanti:secure_access_client:*:*:*:*:*:*:*:*
cpe:2.3:a:ivanti:secure_access_client:22.7:-:*:*:*:*:*:*
cpe:2.3:a:ivanti:secure_access_client:22.7:r1:*:*:*:*:*:*
cpe:2.3:a:ivanti:secure_access_client:22.7:r1.1:*:*:*:*:*:*
cpe:2.3:a:ivanti:secure_access_client:22.7:r2:*:*:*:*:*:*

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