How severe is CVE-2020-8272?

CVE-2020-8272 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2020-8272 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-8272?

CVE-2020-8272 affects Citrix Sd-wan. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-8272?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-8272 published?

CVE-2020-8272 was published on 2020-11-16 and last updated on 2026-06-17.

CVE-2020-8272

CVE-2020-8272 is a high-severity vulnerability in Citrix Sd-wan with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Citrix Sd-wan
Published: 2020-11-16
Last modified: 2026-06-17

Description

Authentication Bypass resulting in exposure of SD-WAN functionality in Citrix SD-WAN Center versions before 11.2.2, 11.1.2b and 10.2.8

Frequently asked questions

What is CVE-2020-8272?: Authentication Bypass resulting in exposure of SD-WAN functionality in Citrix SD-WAN Center versions before 11.2.2, 11.1.2b and 10.2.8
How severe is CVE-2020-8272?: CVE-2020-8272 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2020-8272 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-8272?: CVE-2020-8272 affects Citrix Sd-wan. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-8272?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-8272 published?: CVE-2020-8272 was published on 2020-11-16 and last updated on 2026-06-17.

References

https://support.citrix.com/article/CTX285061

Affected products (1)

cpe:2.3:a:citrix:sd-wan:*:*:*:*:*:*:*:*

More vulnerabilities in Citrix Sd-wan

CVE-2020-8271 — Critical (CVSS 9.8): Unauthenticated remote code execution with root privileges in Citrix SD-WAN Center versions before 11.2.2, 11.1.2b and…
CVE-2019-12990 — Critical (CVSS 9.8): Citrix SD-WAN 10.2.x before 10.2.3 and NetScaler SD-WAN 10.0.x before 10.0.8 allow Directory Traversal.
CVE-2019-12989 — Critical (CVSS 9.8): Citrix SD-WAN 10.2.x before 10.2.3 and NetScaler SD-WAN 10.0.x before 10.0.8 allow SQL Injection.
CVE-2019-12988 — Critical (CVSS 9.8): Citrix SD-WAN 10.2.x before 10.2.3 and NetScaler SD-WAN 10.0.x before 10.0.8 have Improper Input Validation (issue 4 of…
CVE-2019-12987 — Critical (CVSS 9.8): Citrix SD-WAN 10.2.x before 10.2.3 and NetScaler SD-WAN 10.0.x before 10.0.8 have Improper Input Validation (issue 3 of…
CVE-2019-12986 — Critical (CVSS 9.8): Citrix SD-WAN 10.2.x before 10.2.3 and NetScaler SD-WAN 10.0.x before 10.0.8 have Improper Input Validation (issue 2 of…

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Other CWE-287 (Improper Authentication) vulnerabilities

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CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

Browse all CWE-287 (Improper Authentication) vulnerabilities →