Exploited vulnerability · CISA KEV

Is CVE-2024-21887 exploited? Yes: in CISA KEV since 10 Jan 2024

Gociux · Ivanti Connect Secure and Policy Secure · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2024-21887, Ivanti Connect Secure and Policy Secure Command Injection Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 10 Jan 2024. It is known to be used in ransomware campaigns. It affects Ivanti Connect Secure and Policy Secure, an internet-facing product of the kind attackers use for initial access. If you run it, CISA's required action is: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

What it is

Ivanti Connect Secure (ICS, formerly known as Pulse Connect Secure) and Ivanti Policy Secure contain a command injection vulnerability in the web components of these products, which can allow an authenticated administrator to send crafted requests to execute code on affected appliances. This vulnerability can be leveraged in conjunction with CVE-2023-46805, an authenticated bypass issue.

What to do

1. Check whether you run it. Look for Connect Secure and Policy Secure in your asset inventory, including appliances and cloud images. Stack check lists every exploited Ivanti CVE at once.
2. Apply the fix. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
3. If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 12 Jan 2024.
4. Get told next time. Email alerts when CISA adds a CVE for Ivanti.

Other exploited CVEs in Connect Secure and Policy Secure

• CVE-2023-46805: Ivanti Connect Secure and Policy Secure Authentication Bypass Vulnerability (10 Jan 2024)

References

• nvd.nist.gov/vuln/detail/CVE-2024-21887

Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in January 2024 · Ivanti scorecard · act-now radar.