What is CVE-2024-11639?

CVE-2024-11639 is a critical-severity vulnerability in Ivanti Cloud Services Appliance, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 10.0/10. Published 2024-12-10.

How severe is CVE-2024-11639?

Critical severity. CVSS v3 base score is 10.0 out of 10.

Is CVE-2024-11639 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Ivanti Cloud Services Appliance

CVE-2024-11639

An authentication bypass in the admin web console of Ivanti CSA before 5.0.3 allows a remote unauthenticated attacker to gain administrative access

Published 2024-12-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.049 (91.7th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.049 · newest: 0.049 · change: -0.000

Affected products

Ivanti Cloud Services Appliance
Ivanti Cloud Services Application — versions 5.0.3

Weakness classification (CWE)

Public proof-of-concept exploits

References

3c1d8aa1-5a33-4ea4-8992-aadd6440af75 (Vendor Advisory)

Frequently asked questions

What is CVE-2024-11639?: CVE-2024-11639 is a critical-severity vulnerability in Ivanti Cloud Services Appliance, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 10.0/10. Published 2024-12-10.
How severe is CVE-2024-11639?: Critical severity. CVSS v3 base score is 10.0 out of 10.
Is CVE-2024-11639 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.