Auth bypass in Citrix 4000-wo
CVE-2020-8196
Improper access control in Citrix ADC and Citrix Gateway versions before 13.0-58.30, 12.1-57.18, 12.0-63.21, 11.1-64.14 and 10.5-70.18 and Citrix SDWAN WAN-OP versions before 11.1.1a, 11.0.3d and 10.2.7 resulting in limited information dis…
EPSS: 0.263 (97.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Citrix 4000-wo
- Citrix 4100-wo
- Citrix 5000-wo
- Citrix 5100-wo
- Citrix Application_delivery_controller_firmware
- Citrix Gateway_firmware
- Citrix Netscaler_gateway_firmware
- Citrix Sd-wan_wanop
- N/a Citrix Adc, Gateway, Sdwan Wan-op — versions Citrix ADC and Citrix Gateway 13.0-58.30, 12.1-57.18, 12.0-63.21, 11.1-64.14 and 10.5-70.18 and Citrix SDWAN WAN-OP 11.1.1a, 11.0.3d and 10.2.7
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Public proof-of-concept exploits
References
- support@hackerone.com (x_refsource_MISC, Vendor Advisory)
- support@hackerone.com (VDB Entry, Third Party Advisory, x_refsource_MISC)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2020-8196?
- CVE-2020-8196 is a medium-severity vulnerability in Citrix 4000-wo, classified under Improper Access Control. CVSS score: 4.3/10. Published 2020-07-10.
- How severe is CVE-2020-8196?
- Medium severity. CVSS v3 base score is 4.3 out of 10.
- Is CVE-2020-8196 known to be exploited?
- Yes. CVE-2020-8196 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating it is being actively exploited. 14 public proof-of-concept repositories are indexed.