CVE-2024-8963: in the CISA KEV catalogue

Ivanti Cloud Services Appliance (CSA) Path Traversal Vulnerability. CISA added CVE-2024-8963 to the Known Exploited Vulnerabilities catalogue on 2024-09-19 with a default due date of 2024-10-10. Known ransomware campaign use: Unknown. Forensic triage flag: No.

Ivanti Cloud Services Appliance (CSA) contains a path traversal vulnerability that could allow a remote, unauthenticated attacker to access restricted functionality. If CVE-2024-8963 is used in conjunction with CVE-2024-8190, an attacker could bypass admin authentication and execute arbitrary commands on the appliance. (CISA description)

Vendor / product: Ivanti Cloud Services Appliance (CSA)
CWE: CWE-22
CISA required action: As Ivanti CSA has reached End-of-Life status, users are urged to remove CSA 4.6.x from service or upgrade to the 5.0.x line of supported solutions, as future vulnerabilities on the 4.6.x version of CSA are unlikely to receive security updates.
EPSS: 99%, percentile 99 (scored 2026-11-03)

EPSS puts about 99 in 100 odds (99%) on exploitation activity being observed in the next 30 days. Its score is higher than or equal to that of 99% of scored CVEs. This is a model estimate about exploitation anywhere, not about your environment.

Vendor and reference links (from CISA)

Your own deadline under CISA BOD 26-04 depends on exposure, automatability and technical impact: work it out with the BOD 26-04 calculator.

Data dates. CISA KEV catalogue version 2026.11.03, released 2026-11-03, 1,767 entries (checked 2026-11-03). EPSS model v2026.06.15, scored 2026-11-03, 399,388 CVEs. Sources: CISA and FIRST (EPSS by FIRST; scores generated by Empirical Security). Copied to our own database and refreshed automatically; if a refresh fails, the previous copy keeps serving with its own date.

Frequently asked questions

Is CVE-2024-8963 in the CISA KEV catalogue?

Yes. CISA added CVE-2024-8963 (Ivanti Cloud Services Appliance (CSA) Path Traversal Vulnerability) to the Known Exploited Vulnerabilities catalogue on 2024-09-19. CISA's default due date for it is 2024-10-10.

Is CVE-2024-8963 used in ransomware attacks?

CISA marks known ransomware campaign use as Unknown for CVE-2024-8963. That means CISA lacks confirmation, not that ransomware groups do not use it.

What should I do about CVE-2024-8963?

CISA's required action: As Ivanti CSA has reached End-of-Life status, users are urged to remove CSA 4.6.x from service or upgrade to the 5.0.x line of supported solutions, as future vulnerabilities on the 4.6.x version of CSA are unlikely to receive security updates.

Sources

CISA, Known Exploited Vulnerabilities Catalog (accessed 2026-11-03)
FIRST, Exploit Prediction Scoring System (EPSS) (EPSS by FIRST; scores generated by Empirical Security)
NVD record for CVE-2024-8963