Is CVE-2020-8247 in the CISA KEV catalog?

No. CVE-2020-8247 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-8247?

CVE-2020-8247 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2020-8247?

CVE-2020-8247 has an EPSS score of 1.35% (68th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-8247?

Upgrade application delivery controller firmware to 13.0-64.35 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2020-8247

HIGH

8.8

CVSS v3

NVD

Description

Citrix ADC and Citrix Gateway 13.0 before 13.0-64.35, Citrix ADC and NetScaler Gateway 12.1 before 12.1-58.15, Citrix ADC 12.1-FIPS before 12.1-55.187, Citrix ADC and NetScaler Gateway 12.0, Citrix ADC and NetScaler Gateway 11.1 before 11.1-65.12, Citrix SD-WAN WANOP 11.2 before 11.2.1a, Citrix SD-WAN WANOP 11.1 before 11.1.2a, Citrix SD-WAN WANOP 11.0 before 11.0.3f, Citrix SD-WAN WANOP 10.2 before 10.2.7b are vulnerable to escalation of privileges on the management interface.

CWE-269Improper Privilege Management

How to fix

Remediation Available

application delivery controller firmwareNVD

Affected:>= 13.0, < 13.0-64.35Fixed in:13.0-64.35CVE-2020-8247derived from NVD

gatewayNVD

Affected:>= 13.0, < 13.0-64.35Fixed in:13.0-64.35CVE-2020-8247derived from NVD

netscaler gatewayNVD

Affected:>= 12.1, < 12.1-58.15Fixed in:12.1-58.15CVE-2020-8247derived from NVD

sd-wan wanopNVD

Affected:>= 11.2, < 11.2.1aFixed in:11.2.1aCVE-2020-8247derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

1.35%probability of exploitation in 30 days

68thpercentile

Moderate risk: more likely to be exploited than 68% of all known CVEs.

References

Vendor Advisory1

support.citrix.com

Related Vulnerabilities

Other CWE-269 (Improper Privilege Management) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-12635	Critical	9.8	100%	-	Fix
CVE-2022-24637	Critical	9.8	99%	-	Fix
CVE-2017-5689	Critical	9.8	92%	KEV	Fix
CVE-2020-3243	Critical	9.8	88%	-	-
CVE-2024-21888	High	8.8	87%	-	-
CVE-2022-0441	Critical	9.8	85%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.