CVE-2026-121683: Missing authentication in Ivanti Cloud Services Application version 5.0.8 allows a remote unauthenticated attacker to…
- Is it exploited?
Not on CISA's list. CISA has not added it to the Known Exploited Vulnerabilities catalog as of . If CISA adds it, this page shows it as known exploited.
- How likely is exploitation in the next 30 days?
- 0.6%
EPSS score, percentile 48.8 of all scored records. A probability estimated by FIRST, not a report of exploitation.
- How severe?
- 9.4 Critical
CVSS v3.1 base score, given by the CNA
- What should I do?
CISA has set no required action, because the vulnerability is not in KEV.
No patch or vendor advisory is listed in the CVE record. Check Ivanti's advisories.
- Which versions are affected?
Unaffected 5.0.8
Source: CISA KEV 2026.11.10, as of ; FIRST EPSS, as of ; CVE List, as of . About the data.
Description
Missing authentication in Ivanti Cloud Services Application version 5.0.8 allows a remote unauthenticated attacker to add and delete arbitrary trusted EPM Core certificate entries.
Source: CVE List, as of . About the data.
What to do
Advisories and patches
No patch, vendor advisory or mitigation is listed in the CVE record. Check Ivanti's own security advisories for a fix, and compare your version with the affected versions below.
This summary is based on the CVE record as of . Check the vendor's advisory before you act: affected versions and fixes can change.
Affected products and versions
Versions by product, as listed in the CVE record (1 product)
| Status | Versions |
|---|---|
| Unaffected | 5.0.8 |
Versions not listed are: affected.
Versions the record lists as unaffected: 5.0.8.
Source: CVE List, as of . About the data.
Weakness
CWE-306, 1 CAPEC
- CWE-306: Missing authentication for critical function
Attack patterns (CAPEC)
- CAPEC-115: Authentication Bypass
CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record.
Timeline
| Date | Event |
|---|---|
| CVE record published |
References
1
Known exploited Ivanti vulnerabilities
- CVE-2026-111357: Ivanti Connect Secure Missing Authentication for Critical Function Vulnerability
- CVE-2026-118527: Ivanti Connect Secure Generation of Predictable Numbers or Identifiers Vulnerability
- CVE-2026-104935: Ivanti Connect Secure Authentication Bypass by Spoofing Vulnerability
- CVE-2026-10520: Ivanti Sentry OS Command Injection Vulnerability
- CVE-2026-6973: Ivanti Endpoint Manager Mobile (EPMM) Improper Input Validation Vulnerability