Is CVE-2020-8300 in the CISA KEV catalog?

No. CVE-2020-8300 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-8300?

CVE-2020-8300 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2020-8300?

CVE-2020-8300 has an EPSS score of 3.01% (86th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-8300?

Upgrade application delivery controller firmware to 12.1-55.238 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2020-8300

MEDIUMEPSS 86th pctl

6.5

CVSS v3

NVD

Description

Citrix ADC and Citrix/NetScaler Gateway before 13.0-82.41, 12.1-62.23, 11.1-65.20 and Citrix ADC 12.1-FIPS before 12.1-55.238 suffer from improper access control allowing SAML authentication hijack through a phishing attack to steal a valid user session. Note that Citrix ADC or Citrix Gateway must be configured as a SAML SP or a SAML IdP for this to be possible.

CWE-284Improper Access Control

How to fix

Remediation Available

application delivery controller firmwareNVD

Affected:>= 12.1, < 12.1-55.238Fixed in:12.1-55.238CVE-2020-8300derived from NVD

gatewayNVD

Affected:>= 13.0, < 13.0-82.41Fixed in:13.0-82.41CVE-2020-8300derived from NVD

netscaler gatewayNVD

Affected:>= 11.1, < 11.1-65.20Fixed in:11.1-65.20CVE-2020-8300derived 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 RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

3.01%probability of exploitation in 30 days

86thpercentile

Elevated risk: more likely to be exploited than 86% of all known CVEs.

References

Vendor Advisory1

support.citrix.com

Related Vulnerabilities

Other CWE-284 (Improper Access Control) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-27350	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2019-1653	High	7.5	100%	KEV	-
CVE-2023-23752	Medium	5.3	100%	KEV	Fix
CVE-2023-29298	High	7.5	100%	KEV	-
CVE-2023-38205	High	7.5	100%	KEV	-
CVE-2024-27348	Critical	9.8	99%	KEV	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.