What is CVE-2021-22919?

CVE-2021-22919 is a high-severity vulnerability in Citrix 4000-wo, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2021-08-05.

How severe is CVE-2021-22919?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Citrix 4000-wo

CVE-2021-22919

A vulnerability has been discovered in Citrix ADC (formerly known as NetScaler ADC) and Citrix Gateway (formerly known as NetScaler Gateway), and Citrix SD-WAN WANOP Edition models 4000-WO, 4100-WO, 5000-WO, and 5100-WO. These vulnerabilit…

EPSS: 0.009 (56.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Citrix 4000-wo
Citrix 4100-wo
Citrix 5000-wo
Citrix 5100-wo
Citrix Application_delivery_controller
Citrix Application_delivery_controller_firmware
Citrix Gateway
Citrix Mpx_15030-50g_fips
Citrix Mpx_15040-50g_fips
Citrix Mpx_15060-50g_fips

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

support@hackerone.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-22919?: CVE-2021-22919 is a high-severity vulnerability in Citrix 4000-wo, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2021-08-05.
How severe is CVE-2021-22919?: High severity. CVSS v3 base score is 7.5 out of 10.