Vulnerability · CVE-2024-37377
A heap-based buffer overflow in IPsec of Ivanti Connect Secure before version 22.7R2.3 allows a remote unauthenticated attacker to cause a denial of service.
Published Dec 12, 2024 · catalog updated Jun 17, 2026 · connect secure
Last checked Nov 4, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2024-37377. EPSS is 1.81%. Act only if a listed version of connect secure is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
Same product and reporting
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- CVE-2025-55144 · Medium
- Severity
- High7.5
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 1.81%
- Remediation
- Version ranges on file
- Affected products
- cpe ivanti/connect secure
A heap-based buffer overflow in IPsec of Ivanti Connect Secure before version 22.7R2.3 allows a remote unauthenticated attacker to cause a denial of service.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe ivanti/connect secure22.7
- cpe ivanti/connect secure< 22.7
How to fix CVE-2024-37377
Upgrade
CVE-2024-37377 lists a fix boundary at 22.7. Compare the installed build with that boundary before you change production.
Version check
Affected < 22.7
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2024-37377. EPSS is 1.81%. Act only if a listed version of connect secure is installed.
Which versions are affected?
Compare what you have installed with ivanti/connect secure 22.7; ivanti/connect secure < 22.7. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-787: Out-of-bounds Write. EPSS 1.81%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Technology hubs
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Dec 12, 2024 · Monitored products — critical
Detected
A heap-based buffer overflow in IPsec of Ivanti Connect Secure before version 22.7R2.3 allows a remote unauthenticated attacker to cause a denial of service.
Jun 17, 2026 · Monitored products — critical
Updated
A heap-based buffer overflow in IPsec of Ivanti Connect Secure before version 22.7R2.3 allows a remote unauthenticated attacker to cause a denial of service.
Sources
- CVE.orgVulnerability recordCVE-2024-37377
Official CVE identifier
cve.org - Monitored products — criticalVendor advisoryCVE-2024-37377
A heap-based buffer overflow in IPsec of Ivanti Connect Secure before version 22.7R2.3 allows a remote unauthenticated attacker to cause a denial of service.
nvd.nist.gov
References
Freshness
Last verified in this catalog Nov 2, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- CVE.orgNov 4, 2026
- Monitored products — criticalNov 2, 2026