Is CVE-2023-52240 in the CISA KEV catalog?

No. CVE-2023-52240 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-52240?

CVE-2023-52240 has a CVSS v3 base score of 6.1 (MEDIUM).

What is the EPSS score for CVE-2023-52240?

CVE-2023-52240 has an EPSS score of 0.50% (39th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-52240?

Upgrade kantega saml sso oidc kerberos single sign-on to 4.14.9 or later.

CVE & CISA-KEV Catalog

CVE-2023-52240

MEDIUM

6.1

CVSS v3

NVD

Description

The Kantega SAML SSO OIDC Kerberos Single Sign-on apps before 6.20.0 for Atlassian products allow XSS if SAML POST Binding is enabled. This affects 4.4.2 through 4.14.8 before 4.14.9, 5.0.0 through 5.11.4 before 5.11.5, and 6.0.0 through 6.19.0 before 6.20.0. The full product names are Kantega SAML SSO OIDC Kerberos Single Sign-on for Jira Data Center & Server (Kantega SSO Enterprise), Kantega SAML SSO OIDC Kerberos Single Sign-on for Confluence Data Center & Server (Kantega SSO Enterprise), Kantega SAML SSO OIDC Kerberos Single Sign-on for Bitbucket Data Center & Server (Kantega SSO Enterprise), Kantega SAML SSO OIDC Kerberos Single Sign-on for Bamboo Data Center & Server (Kantega SSO Enterprise), and Kantega SAML SSO OIDC Kerberos Single Sign-on for FeCru Server (Kantega SSO Enterprise). (Here, FeCru refers to the Atlassian Fisheye and Crucible products running together.)

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

kantega saml sso oidc kerberos single sign-onNVD

Affected:>= 4.4.2, < 4.14.9Fixed in:4.14.9CVE-2023-52240derived from NVD

Affected:>= 6.0.0, < 6.20.0Fixed in:6.20.0CVE-2023-52240derived 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

0.50%probability of exploitation in 30 days

39thpercentile

Low risk: more likely to be exploited than 39% of all known CVEs.

References

Vendor Advisory1

kantega-sso.atlassian.net

Product5

Related Vulnerabilities

Other CWE-79 (Cross-Site Scripting (XSS)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-11022	Medium	6.9	99%	-	Fix
CVE-2019-3929	Critical	9.8	99%	KEV	Fix
CVE-2020-9496	Medium	6.1	99%	-	-
CVE-2023-28341	Medium	6.1	99%	-	Fix
CVE-2018-12998	Medium	6.1	98%	-	-
CVE-2025-4123	High	7.6	98%	-	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.