How severe is CVE-2024-23533?

CVE-2024-23533 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2024-23533 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-23533?

CVE-2024-23533 affects Ivanti Avalanche. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-23533?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-23533 have an EU (EUVD) identifier?

Yes. CVE-2024-23533 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-21028.

When was CVE-2024-23533 published?

CVE-2024-23533 was published on 2024-04-19 and last updated on 2026-06-17.

CVE-2024-23533

CVE-2024-23533 is a medium-severity vulnerability in Ivanti Avalanche with a CVSS 3.x base score of 6.5. 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-125.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-21028
Weakness: CWE-125
Affected product: Ivanti Avalanche
Published: 2024-04-19
Last modified: 2026-06-17

Description

An out-of-bounds read vulnerability in WLAvalancheService component of Ivanti Avalanche before 6.4.3, in certain conditions can allow an authenticated remote attacker to read sensitive information in memory.

Frequently asked questions

What is CVE-2024-23533?: An out-of-bounds read vulnerability in WLAvalancheService component of Ivanti Avalanche before 6.4.3, in certain conditions can allow an authenticated remote attacker to read sensitive information in memory.
How severe is CVE-2024-23533?: CVE-2024-23533 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2024-23533 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-23533?: CVE-2024-23533 affects Ivanti Avalanche. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-23533?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-23533 have an EU (EUVD) identifier?: Yes. CVE-2024-23533 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-21028.
When was CVE-2024-23533 published?: CVE-2024-23533 was published on 2024-04-19 and last updated on 2026-06-17.

References

https://forums.ivanti.com/s/article/Avalanche-6-4-3-Security-Hardening-and-CVEs-addressed?language=en_US

Affected products (1)

cpe:2.3:a:ivanti:avalanche:*:*:*:*:*:*:*:*

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