Is CVE-2022-20956 in the CISA KEV catalog?

No. CVE-2022-20956 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-20956?

CVE-2022-20956 has a CVSS v3 base score of 7.1 (HIGH).

What is the EPSS score for CVE-2022-20956?

CVE-2022-20956 has an EPSS score of 1.32% (68th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2022-20956?

No published fix for CVE-2022-20956 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2022-20956

HIGH

7.1

CVSS v3

NVD

Description

A vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker to bypass authorization and access system files. This vulnerability is due to improper access control in the web-based management interface of an affected device. An attacker could exploit this vulnerability by sending a crafted HTTP request to the affected device. A successful exploit could allow the attacker to list, download, and delete certain files that they should not have access to. Cisco plans to release software updates that address this vulnerability. https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-access-contol-EeufSUCx ["https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-access-contol-EeufSUCx"]

CWE-648

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

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CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

1.32%probability of exploitation in 30 days

68thpercentile

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

References

Other references1

sec.cloudapps.cisco.com

Related Vulnerabilities

Other CWE-648 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2019-14813	Critical	9.8	11%	-	Fix
CVE-2024-8785	Critical	9.8	9.7%	-	Fix
CVE-2026-20122	Medium	5.4	7.0%	KEV	Fix
CVE-2025-54766	Medium	5.3	6.9%	-	-
CVE-2025-54765	Medium	5.3	6.9%	-	-
CVE-2025-54767	Medium	6.5	5.3%	-	-

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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.