Is CVE-2022-20740 in the CISA KEV catalog?

No. CVE-2022-20740 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-20740?

CVE-2022-20740 has a CVSS v3 base score of 6.1 (MEDIUM).

What is the EPSS score for CVE-2022-20740?

CVE-2022-20740 has an EPSS score of 0.70% (49th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-20740?

Upgrade secure firewall management center to 7.1.0.1 or later.

CVE & CISA-KEV Catalog

CVE-2022-20740

MEDIUM

6.1

CVSS v3

NVD

Description

A vulnerability in the web-based management interface of Cisco Firepower Management Center (FMC) Software could allow an unauthenticated, remote attacker to conduct a cross-site scripting attack. This vulnerability is due to improper validation of user-supplied input to the web-based management interface. An attacker could exploit this vulnerability by convincing a user to click a link designed to pass malicious input to the interface. A successful exploit could allow the attacker to conduct cross-site scripting attacks and gain access to sensitive browser-based information.

CWE-80 CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

secure firewall management centerNVD

Affected:>= 7.1.0, < 7.1.0.1Fixed in:7.1.0.1CVE-2022-20740derived 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

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.70%probability of exploitation in 30 days

49thpercentile

Moderate risk: more likely to be exploited than 49% of all known CVEs.

References

Vendor Advisory1

tools.cisco.com

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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 2024-11-26.