How severe is CVE-2024-8495?

CVE-2024-8495 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2024-8495 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-8495?

CVE-2024-8495 primarily affects Ivanti Connect Secure. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-8495?

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-2024-8495 have an EU (EUVD) identifier?

Yes. CVE-2024-8495 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-49546.

When was CVE-2024-8495 published?

CVE-2024-8495 was published on 2024-11-12 and last updated on 2026-06-17.

CVE-2024-8495

CVE-2024-8495 is a high-severity vulnerability in Ivanti Connect Secure with a CVSS 3.x base score of 7.5. 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-476.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-49546
Weakness: CWE-476
Affected product: Ivanti Connect Secure
Published: 2024-11-12
Last modified: 2026-06-17

Description

A null pointer dereference in Ivanti Connect Secure before version 22.7R2.1 and Ivanti Policy Secure before version 22.7R1.1 allows a remote unauthenticated attacker to cause a denial of service.

Frequently asked questions

What is CVE-2024-8495?: A null pointer dereference in Ivanti Connect Secure before version 22.7R2.1 and Ivanti Policy Secure before version 22.7R1.1 allows a remote unauthenticated attacker to cause a denial of service.
How severe is CVE-2024-8495?: CVE-2024-8495 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2024-8495 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-8495?: CVE-2024-8495 primarily affects Ivanti Connect Secure. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-8495?: 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-2024-8495 have an EU (EUVD) identifier?: Yes. CVE-2024-8495 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-49546.
When was CVE-2024-8495 published?: CVE-2024-8495 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 (12)

cpe:2.3:a:ivanti:connect_secure:*:*:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:22.7:-:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:22.7:r1:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:22.7:r1.1:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:22.7:r1.2:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:22.7:r1.3:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:22.7:r1.4:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:22.7:r1.5:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:22.7:r2:*:*:*:*:*:*
cpe:2.3:a:ivanti:policy_secure:*:*:*:*:*:*:*:*
cpe:2.3:a:ivanti:policy_secure:22.7:-:*:*:*:*:*:*
cpe:2.3:a:ivanti:policy_secure:22.7:r1:*:*:*:*:*:*

More vulnerabilities in Ivanti Connect Secure

CVE-2021-22893 — Critical (CVSS 10.0): Pulse Connect Secure 9.0R3/9.1R1 and higher is vulnerable to an authentication bypass vulnerability exposed by the…
CVE-2019-11510 — Critical (CVSS 10.0): In Pulse Secure Pulse Connect Secure (PCS) 8.2 before 8.2R12.1, 8.3 before 8.3R7.1, and 9.0 before 9.0R3.4, an…
CVE-2016-4787 — Critical (CVSS 10.0): Pulse Connect Secure (PCS) 8.2 before 8.2r1, 8.1 before 8.1r2, 8.0 before 8.0r10, and 7.4 before 7.4r13.4 allow remote…
CVE-2025-22467 — Critical (CVSS 9.9): A stack-based buffer overflow in Ivanti Connect Secure before version 22.7R2.6 allows a remote authenticated attacker…
CVE-2024-21894 — Critical (CVSS 9.8): A heap overflow vulnerability in IPSec component of Ivanti Connect Secure (9.x, 22.x) and Ivanti Policy Secure allows…
CVE-2018-20813 — Critical (CVSS 9.8): An input validation issue has been found with login_meeting.cgi in Pulse Secure Pulse Connect Secure 8.3RX before 8.3R2.

All CVEs affecting Ivanti Connect Secure →

Other CWE-476 (NULL Pointer Dereference) vulnerabilities

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CVE-2020-14500 — Critical (CVSS 10.0): Secomea GateManager all versions prior to 9.2c, An attacker can send a negative value and overwrite arbitrary data.
CVE-2010-2495 — Critical (CVSS 10.0): The pppol2tp_xmit function in drivers/net/pppol2tp.c in the L2TP implementation in the Linux kernel before 2.6.34 does…
CVE-2026-46195 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: smb: client: validate dacloffset before building…
CVE-2026-31657 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: batman-adv: hold claim backbone gateways by…
CVE-2026-31436 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix possible wrong descriptor…

Browse all CWE-476 (NULL Pointer Dereference) vulnerabilities →