An out-of-bounds write in IPsec of Ivanti Connect Secure before version 22.7R2.1(Not Applicable to 9.1Rx) allows a remote unauthenticated a…

published 2024-11-13 23 mo ago modified 2026-06-17 4 mo ago also EUVD-2024-37700

cvss: 7.5; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.9%; EPSS 1.9% chance of exploitation in 30 days, percentile 80%
public exploits: 0; none known

An out-of-bounds write in IPsec of Ivanti Connect Secure before version 22.7R2.1(Not Applicable to 9.1Rx) allows a remote unauthenticated attacker to cause a denial of service.

Patch / fix

fixed in 1

ivanti connect_secure 22.7R2.1

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 23 mo ago (2024-11-13)

Exploit prediction

1.94% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.0	7.5	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

Ivanti Connect Secure
ivanti connect_secure

Classification

Weakness

CWE-125 Out-of-bounds Read

Technology feeds

Ivanti rss critical rss

References

forums.ivanti.com /s/article/Security-Advisory-Ivanti-Connect-Secure-ICS-Ivanti-Policy-Secure-IPS-Ivanti-Secure-Access-Client-IS
vendor-advisory

Sources

CVE List CVE-2024-38649
NVD CVE-2024-38649

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.

Summary