CVE-2024-21894 High · 8.2 EPSS 19.0%
A heap overflow vulnerability in IPSec component of Ivanti Connect Secure (9.x, 22.x) and Ivanti Policy Secure allows…
Ivanti · Connect Secure
Official description · CVE.org
A heap overflow vulnerability in IPSec component of Ivanti Connect Secure (9.x, 22.x) and Ivanti Policy Secure allows an unauthenticated malicious user to send specially crafted requests in-order-to crash the service thereby causing a DoS attack. In certain conditions this may lead to execution of arbitrary code
Priority scorePatchfirst’s 0 to 100 ranking. It adds points for CISA KEV listing, ransomware use, EPSS, threat reports, public exploit code and CVSS. Every CVE page shows the breakdown. Breakdown
62.5 / 100
- Exploited
- Yes, in VulnCheck KEV
- Reports
- 0
- Tactics
- 0/15
Exploitation timelineDated milestones for a CVE: when it was disclosed, when exploit code became public, when exploitation was confirmed, and when threat reports named it.
First seen exploited 7 months after disclosure.
- Disclosedday 0
- First seen exploitedVulnCheck KEV evidence+7 mo
MITRE ATT&CKA public catalogue of the techniques attackers use, maintained by MITRE. Patchfirst uses it to describe what attackers do with a vulnerability. techniques
No techniques linkedNo ATT&CK techniques are linked to this CVE yet. MITRE CTID has not mapped it, and no report passage in the corpus ties it to a technique.
What security researchers reported
Not named in any threat report yetAlso mentioned in 9 community threat pulses (AlienVault OTX)
Weaker evidencePulses are indicator collections that anyone can publish. A mention is not confirmation of exploitation.
- New Chaos RAT Variants Threaten Windows and Linux Systems with Stealthy Data Theft6 Jun 2025
- APT29 Exploits Rogue RDP in October 2024 Hacking Campaign21 Dec 2024
- APT29 Exploits Rogue RDP in October 2024 Hacking Campaign21 Dec 2024
- APT29 Exploits Rogue RDP in October 2024 Hacking Campaign21 Dec 2024
- APT29 Exploits Rogue RDP in October 2024 Hacking Campaign21 Dec 2024
- APT29 Exploits Rogue RDP in October 2024 Hacking Campaign21 Dec 2024
- 3 more on OTX