[Update] Multiple vulnerabilities in Ivanti Connect Secure and Policy Secure Gateways (January 11, 2024)
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.
[Update on March 4, 2024] Ivanti published resolution recommendations for Ivanti Connect Secure or Policy Secure in virtual machine [16] on February 29. [Update on February 15, 2024] the vendor released patches for the following versions, which do not...
CSIRTS triage
- What
- Multiple vulnerabilities exist in Ivanti Connect Secure and Policy Secure Gateways.
- Who is affected
- Deployments of Ivanti Connect Secure and Policy Secure Gateways are affected.
- Urgency
- Remediation is urgent due to confirmed exploitation of the vulnerabilities.
- Action
- Apply the patches released by Ivanti for the affected products.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://www.cert.ssi.gouv.fr/alerte/CERTFR-2024-ALE-001/
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 likely imminentCVE-2024-21888EPSS puts this in the most-targeted tier (86.8% 30-day exploitation probability). Prioritize alongside KEV items. Riskier than 99.7% of all EPSS-scored CVEs.
- 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.
- Exploitation confirmedCVE-2023-46805Already exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 99.9% of all EPSS-scored CVEs.
- Exploitation confirmedCVE-2024-21887Already exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 99.9% of all EPSS-scored CVEs.
- Exploitation likely imminentCVE-2024-22024EPSS puts this in the most-targeted tier (94.7% 30-day exploitation probability). Prioritize alongside KEV items. Riskier than 99.9% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2024-21888 | coverage & exploitation status | NVD · CVE.org |
| CVE-2024-21893 | coverage & exploitation status | NVD · CVE.org |
| CVE-2023-46805 | coverage & exploitation status | NVD · CVE.org |
| CVE-2024-21887 | coverage & exploitation status | NVD · CVE.org |
| CVE-2024-22024 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- criticalexploitedCVE-2024-21893: Ivanti Connect Secure, Policy Secure, and Neurons Server-Side Request Forgery (SSRF) Vulnerabi…cisa-kev
- criticalexploitedCVE-2024-21887: Ivanti Connect Secure and Policy Secure Command Injection Vulnerabilitycisa-kev
- criticalexploitedCVE-2023-46805: Ivanti Connect Secure and Policy Secure Authentication Bypass Vulnerabilitycisa-kev
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