How severe is CVE-2024-21888?

CVE-2024-21888 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-21888 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 87% (100th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-21888?

CVE-2024-21888 primarily affects Ivanti Connect Secure. In total, 106 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-21888?

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-2024-21888 have an EU (EUVD) identifier?

Yes. CVE-2024-21888 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19499.

When was CVE-2024-21888 published?

CVE-2024-21888 was published on 2024-01-31 and last updated on 2026-06-17.

CVE-2024-21888

CVE-2024-21888 is a high-severity vulnerability in Ivanti Connect Secure with a CVSS 3.x base score of 8.8. Its EPSS exploit-prediction score of 87% places it in the 100th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-269.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 87% (100th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-19499
Weakness: CWE-269
Affected product: Ivanti Connect Secure
Published: 2024-01-31
Last modified: 2026-06-17

Description

A privilege escalation vulnerability in web component of Ivanti Connect Secure (9.x, 22.x) and Ivanti Policy Secure (9.x, 22.x) allows a user to elevate privileges to that of an administrator.

Frequently asked questions

What is CVE-2024-21888?: A privilege escalation vulnerability in web component of Ivanti Connect Secure (9.x, 22.x) and Ivanti Policy Secure (9.x, 22.x) allows a user to elevate privileges to that of an administrator.
How severe is CVE-2024-21888?: CVE-2024-21888 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-21888 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 87% (100th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-21888?: CVE-2024-21888 primarily affects Ivanti Connect Secure. In total, 106 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-21888?: 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-2024-21888 have an EU (EUVD) identifier?: Yes. CVE-2024-21888 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19499.
When was CVE-2024-21888 published?: CVE-2024-21888 was published on 2024-01-31 and last updated on 2026-06-17.

References

https://forums.ivanti.com/s/article/CVE-2024-21888-Privilege-Escalation-for-Ivanti-Connect-Secure-and-Ivanti-Policy-Secure?language=en_US

Affected products (106)

cpe:2.3:a:ivanti:connect_secure:9.0:-:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.0:r1:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.0:r2:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.0:r2.1:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.0:r3:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.0:r3.1:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.0:r3.2:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.0:r3.3:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.0:r3.5:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.0:r4:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.0:r4.1:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.0:r5.0:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.0:r6.0:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r1:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r10:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r11:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r11.3:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r11.4:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r11.5:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r12:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r12.1:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r13:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r13.1:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r14:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r15:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r15.2:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r16:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r16.1:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r17:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r17.1:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r18:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r18.1:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r18.2:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r2:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r3:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r4:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r4.1:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r4.2:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r4.3:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r5:*:*:*:*:*:*

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-269 (Improper Privilege Management) vulnerabilities

CVE-2026-31852 — Critical (CVSS 10.0): Jellyfin is an open-source media system. The code-quality.yml GitHub Actions workflow in jellyfin/jellyfin-ios is…
CVE-2025-20282 — Critical (CVSS 10.0): A vulnerability in an internal API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to…
CVE-2025-0505 — Critical (CVSS 10.0): On Arista CloudVision systems (virtual or physical on-premise deployments), Zero Touch Provisioning can be used to gain…
CVE-2023-48418 — Critical (CVSS 10.0): In checkDebuggingDisallowed of DeviceVersionFragment.java, there is a possible way to access adb before SUW…
CVE-2023-48419 — Critical (CVSS 10.0): An attacker in the wifi vicinity of a target Google Home can spy on the victim, resulting in Elevation of Privilege
CVE-2023-31273 — Critical (CVSS 10.0): Protection mechanism failure in some Intel DCM software before version 5.2 may allow an unauthenticated user to…

Browse all CWE-269 (Improper Privilege Management) vulnerabilities →