CVE-2024-21893: Ivanti Connect Secure, Policy Secure, and Neurons Server-Side Request Forgery (SSRF) Vulnerability
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Ivanti Connect Secure (ICS, formerly known as Pulse Connect Secure), Ivanti Policy Secure, and Ivanti Neurons contain a server-side request forgery (SSRF) vulnerability in the SAML component that allows an attacker to access certain restricted resources without authentication.
CSIRTS triage
- What
- A server-side request forgery (SSRF) vulnerability allows an attacker to access certain restricted resources without authentication.
- Who is affected
- Deployments of Ivanti Connect Secure, Policy Secure, and Neurons are affected.
- Urgency
- Remediation is urgent due to active exploitation and critical severity.
- Action
- Apply the latest security patches from Ivanti.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2024-21893
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Exploitation confirmedCVE-2024-21893Already exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 99.9% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2024-21893 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- unknownexploited[Update] Multiple vulnerabilities in Ivanti Connect Secure and Policy Secure Gateways (January 11, 2024)cert-fr-alerte
Recent advisories for Ivanti Connect Secure
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- criticalexploitedCVE-2025-22457: Ivanti Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow Vulnerabili…cisa-kev · 2025-04-04
- criticalexploitedCVE-2025-0282: Ivanti Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow Vulnerabilit…cisa-kev · 2025-01-08
- unknownexploited[Update] Multiple vulnerabilities in Ivanti Connect Secure and Policy Secure Gateways (January 11, 2024)cert-fr-alerte · 2024-01-11
- criticalexploitedCVE-2024-21887: Ivanti Connect Secure and Policy Secure Command Injection Vulnerabilitycisa-kev · 2024-01-10
- criticalexploitedCVE-2023-46805: Ivanti Connect Secure and Policy Secure Authentication Bypass Vulnerabilitycisa-kev · 2024-01-10
- criticalexploitedCVE-2021-22894: Ivanti Pulse Connect Secure Collaboration Suite Buffer Overflow Vulnerabilitycisa-kev · 2021-11-03
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