How severe is CVE-2024-21893?

CVE-2024-21893 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.

Is CVE-2024-21893 being actively exploited?

Yes. CVE-2024-21893 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2024-01-31, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2024-21893?

CVE-2024-21893 primarily affects Ivanti Connect Secure. In total, 118 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-21893?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2024-21893 have an EU (EUVD) identifier?

Yes. CVE-2024-21893 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19504. It is also flagged as exploited in the EUVD (since 2024-01-31).

When was CVE-2024-21893 published?

CVE-2024-21893 was published on 2024-01-31 and last updated on 2026-08-04.

CVE-2024-21893

CVE-2024-21893 is a high-severity vulnerability in Ivanti Connect Secure with a CVSS 3.x base score of 8.2. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2024-01-31). The underlying weakness is classified as CWE-918.

Key facts

Severity: High (CVSS 3.x base score 8.2)
EPSS exploit prediction: 100% (100th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2024-01-31)
EU (EUVD) id: EUVD-2024-19504
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2024-01-31)
Weakness: CWE-918
Affected product: Ivanti Connect Secure
Published: 2024-01-31
Last modified: 2026-08-04

Description

A server-side request forgery vulnerability in the SAML component of Ivanti Connect Secure (9.x, 22.x) and Ivanti Policy Secure (9.x, 22.x) and Ivanti Neurons for ZTA allows an attacker to access certain restricted resources without authentication.

Frequently asked questions

What is CVE-2024-21893?: A server-side request forgery vulnerability in the SAML component of Ivanti Connect Secure (9.x, 22.x) and Ivanti Policy Secure (9.x, 22.x) and Ivanti Neurons for ZTA allows an attacker to access certain restricted resources without authentication.
How severe is CVE-2024-21893?: CVE-2024-21893 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.
Is CVE-2024-21893 being actively exploited?: Yes. CVE-2024-21893 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2024-01-31, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2024-21893?: CVE-2024-21893 primarily affects Ivanti Connect Secure. In total, 118 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-21893?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2024-21893 have an EU (EUVD) identifier?: Yes. CVE-2024-21893 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19504. It is also flagged as exploited in the EUVD (since 2024-01-31).
When was CVE-2024-21893 published?: CVE-2024-21893 was published on 2024-01-31 and last updated on 2026-08-04.

References

Affected products (118)

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:*:*:*:*:*:*

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