CVE-2024-21893
HighExploitedPublic exploitA 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.
Published Feb 1, 2024 · Updated Aug 4, 2026
Key Facts
Patch immediately- CVE-2024-21893 is a high-severity vulnerability (CVSS 8.2 v3.1) affecting Connect Secure (Ivanti), Neurons For Zero-Trust Access (Ivanti), Policy Secure (Ivanti) and 2 more products.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Jan 15, 2024 and is known to be used in ransomware campaigns. Public exploit code is available.
- EPSS estimates a 100% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
8.2
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
EPSS (30-day exploit likelihood)
100%
Higher than 99.9% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings, used by ransomware
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2024-21893 brief as a PDF
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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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Jan 31, 2024 | Feb 2, 2024 | Known |
| Industry KEV feed | Jan 15, 2024 | Feb 2, 2024 | Known |
| CIRCL KEV | Jan 31, 2024 | Feb 2, 2024 | Known |
| ENISA EUVD | Jan 31, 2024 | n/a | Not reported |
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Affected Products
120 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Connect SecureIvanti | 21.12-r1, 21.9-r1, 22.1-r1, 22.1-r6, 22.2, 22.2-r1, 22.3-r1, 22.4-r1 | n/a |
| Neurons For Zero-Trust AccessIvanti | 22.2-r1, 22.2-r4, 22.2-r5, 22.3-r1, 22.3-r4, 22.4-r1, 22.4-r3, 22.5-r1 | n/a |
| Policy SecureIvanti | 22.1-r1, 22.1-r6, 22.2-r1, 22.2-r3, 22.3-r1, 22.3-r3, 22.4-r1, 22.4-r2 | n/a |
| ICS | >= 9.1R18 | n/a |
| IPS | >= 9.1R18 | n/a |
Timeline
Added to Industry KEV feed
Jan 15, 2024
Added to CISA KEV
Jan 31, 2024
Added to CIRCL KEV
Jan 31, 2024
Added to ENISA EUVD
Jan 31, 2024
Publicly disclosed
Feb 1, 2024
Last updated
Aug 4, 2026
Weakness Type
- CWE-918 Server-Side Request Forgery (SSRF)
References
- advisoryhttps://forums.ivanti.com/s/article/CVE-2024-21888-Privilege-Escalation-for-Ivanti-Connect-Secure-and-Ivanti-Policy-Secure?language=en_US
- advisoryhttps://nvd.nist.gov/vuln/detail/CVE-2024-21888
- advisoryhttps://nvd.nist.gov/vuln/detail/CVE-2024-21893
- advisoryUSOM advisory
- exploitVulnCheck exploitation report
FAQ
Common Questions.
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.
Affected: Connect Secure (Ivanti) versions 21.12-r1, 21.9-r1, 22.1-r1, 22.1-r6, 22.2, 22.2-r1, 22.3-r1, 22.4-r1; Neurons For Zero-Trust Access (Ivanti) versions 22.2-r1, 22.2-r4, 22.2-r5, 22.3-r1, 22.3-r4, 22.4-r1, 22.4-r3, 22.5-r1; Policy Secure (Ivanti) versions 22.1-r1, 22.1-r6, 22.2-r1, 22.2-r3, 22.3-r1, 22.3-r3, 22.4-r1, 22.4-r2, among others. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Jan 15, 2024 and is known to be used in ransomware campaigns.
Yes. It was added on Jan 31, 2024 with a federal remediation due date of Feb 2, 2024.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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