Is CVE-2023-6927 in the CISA KEV catalog?

No. CVE-2023-6927 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-6927?

CVE-2023-6927 has a CVSS v3 base score of 4.6 (MEDIUM).

What is the EPSS score for CVE-2023-6927?

CVE-2023-6927 has an EPSS score of 1.11% (62th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2023-6927

Q: How do I fix CVE-2023-6927?

Upgrade rh-sso-7/sso7-rhel8 on rhel 8 to operator-bundle@sha256:438375181ff28d5a61510a07f6e16d11944ebd6cc0a20961e06f662db3a16b1c_amd64 or later. Fixes are available for 10 affected products.

MEDIUM

4.6

CVSS v3

NVD

Description

A flaw was found in Keycloak. This issue may allow an attacker to steal authorization codes or tokens from clients using a wildcard in the JARM response mode "form_post.jwt" which could be used to bypass the security patch implemented to address CVE-2023-6134.

CWE-601Open Redirect

How to fix

Remediation Available

rh-sso-7/sso7-rhel8Red Hat / RHEL

Fixed in:operator-bundle@sha256:438375181ff28d5a61510a07f6e16d11944ebd6cc0a20961e06f662db3a16b1c_amd64RHSA-2024:0097

rh-sso-7/sso7-rhel8Rocky

Fixed in:operator-bundle@sha256:438375181ff28d5a61510a07f6e16d11944ebd6cc0a20961e06f662db3a16b1c_amd64RHSA-2024:0097

rh-sso-7/sso76Rocky

Fixed in:openshift-rhel8@sha256:1f39a66794485f27da60afe31e8c7f5db5ece4bcf5a457ee7bad4a72ee70ce2e_amd64RHSA-2024:0097

Fixed in:openshift-rhel8@sha256:b145d1c7d0939d5b44234e2a9fbe7d0aba7b579e4aaf2c4977f8fde6aa97bff2_ppc64leRHSA-2024:0097

Fixed in:openshift-rhel8@sha256:7b10d4158944fd6c65f16c8b8cd57fb45c7a8c2cc0528bcce127218368ba41c3_s390xRHSA-2024:0097

Fixed in:openshift-rhel8@sha256:1cde6dbbee3aa25be767953c45670d4c2592d61a7af776e7e0d0d1b08a1d23ab_amd64RHSA-2024:0801

Fixed in:openshift-rhel8@sha256:2a21973655961ae87984bf1b76843419680fb0228fa0084c5bf8c696058bbc8d_ppc64leRHSA-2024:0801

Fixed in:openshift-rhel8@sha256:23d03851f0946e0ce058bfeeb458112e752b6b0dd8ebca078dc41b8e94c8e995_s390xRHSA-2024:0801

rh-sso-7/sso76Red Hat / RHEL

Fixed in:openshift-rhel8@sha256:1cde6dbbee3aa25be767953c45670d4c2592d61a7af776e7e0d0d1b08a1d23ab_amd64RHSA-2024:0801

Fixed in:openshift-rhel8@sha256:2a21973655961ae87984bf1b76843419680fb0228fa0084c5bf8c696058bbc8d_ppc64leRHSA-2024:0801

Fixed in:openshift-rhel8@sha256:23d03851f0946e0ce058bfeeb458112e752b6b0dd8ebca078dc41b8e94c8e995_s390xRHSA-2024:0801

Fixed in:openshift-rhel8@sha256:b145d1c7d0939d5b44234e2a9fbe7d0aba7b579e4aaf2c4977f8fde6aa97bff2_ppc64leRHSA-2024:0097

Fixed in:openshift-rhel8@sha256:1f39a66794485f27da60afe31e8c7f5db5ece4bcf5a457ee7bad4a72ee70ce2e_amd64RHSA-2024:0097

Fixed in:openshift-rhel8@sha256:7b10d4158944fd6c65f16c8b8cd57fb45c7a8c2cc0528bcce127218368ba41c3_s390xRHSA-2024:0097

rh-sso7-keycloakRocky

Fixed in:0:18.0.11-3.redhat_00001.1.el7ssoRHSA-2024:0094

Fixed in:0:18.0.12-1.redhat_00001.1.el7ssoRHSA-2024:0798

Fixed in:0:18.0.11-3.redhat_00001.1.el7ssoRHSA-2024:0094

Fixed in:0:18.0.12-1.redhat_00001.1.el8ssoRHSA-2024:0799

Fixed in:0:18.0.11-3.redhat_00001.1.el8ssoRHSA-2024:0095

Fixed in:0:18.0.11-3.redhat_00001.1.el9ssoRHSA-2024:0096

Fixed in:0:18.0.12-1.redhat_00001.1.el9ssoRHSA-2024:0800

Fixed in:0:18.0.11-3.redhat_00001.1.el9ssoRHSA-2024:0096

Fixed in:0:18.0.12-1.redhat_00001.1.el9ssoRHSA-2024:0800

rh-sso7-keycloakRed Hat / RHEL

Fixed in:0:18.0.11-3.redhat_00001.1.el7ssoRHSA-2024:0094

Fixed in:0:18.0.12-1.redhat_00001.1.el7ssoRHSA-2024:0798

Fixed in:0:18.0.11-3.redhat_00001.1.el7ssoRHSA-2024:0094

Fixed in:0:18.0.12-1.redhat_00001.1.el8ssoRHSA-2024:0799

Fixed in:0:18.0.11-3.redhat_00001.1.el8ssoRHSA-2024:0095

Fixed in:0:18.0.12-1.redhat_00001.1.el9ssoRHSA-2024:0800

Fixed in:0:18.0.11-3.redhat_00001.1.el9ssoRHSA-2024:0096

rh-sso7-keycloak-serverRed Hat / RHEL

Fixed in:0:18.0.11-3.redhat_00001.1.el7ssoRHSA-2024:0094

Fixed in:0:18.0.12-1.redhat_00001.1.el7ssoRHSA-2024:0798

Fixed in:0:18.0.12-1.redhat_00001.1.el8ssoRHSA-2024:0799

Fixed in:0:18.0.11-3.redhat_00001.1.el8ssoRHSA-2024:0095

Fixed in:0:18.0.11-3.redhat_00001.1.el9ssoRHSA-2024:0096

Fixed in:0:18.0.12-1.redhat_00001.1.el9ssoRHSA-2024:0800

rh-sso7-keycloak-serverRocky

Fixed in:0:18.0.12-1.redhat_00001.1.el7ssoRHSA-2024:0798

Fixed in:0:18.0.11-3.redhat_00001.1.el7ssoRHSA-2024:0094

Fixed in:0:18.0.11-3.redhat_00001.1.el8ssoRHSA-2024:0095

Fixed in:0:18.0.12-1.redhat_00001.1.el8ssoRHSA-2024:0799

Fixed in:0:18.0.11-3.redhat_00001.1.el9ssoRHSA-2024:0096

Fixed in:0:18.0.12-1.redhat_00001.1.el9ssoRHSA-2024:0800

rhbk/keycloakRed Hat / RHEL

Fixed in:rhel9-operator@sha256:b24d774edf776b6514935c8a6dc4822891039311f76b104300348418ffda90cc_amd64RHSA-2024:0100

Fixed in:operator-bundle@sha256:47323bf5e0d1ec70bfec6d7dd476d1076d879d26cc166af451579e79a56046ec_amd64RHSA-2024:0100

Fixed in:rhel9@sha256:7a4e96d7b7b1d25bcc5ce00ea6c5d8d609e9c3368b60972c3995011565ffe5c8_amd64RHSA-2024:0100

Fixed in:rhel9-operator@sha256:32817f8250713ae02ef6a1c6837298032ca49b27ff4af3c35c9bb763ad47ba75_s390xRHSA-2024:0100

Fixed in:rhel9@sha256:c2c04c0b330cf4e13b6e22377e20cfed6648bfabaca8d9b30ed0cea730e7b7bf_s390xRHSA-2024:0100

Fixed in:rhel9-operator@sha256:bb21253f5563ba154c9dbd28560443a5d747211232c70645f4aa61f8e3f30bdf_ppc64leRHSA-2024:0100

Fixed in:rhel9@sha256:88f657f1f805ec611ff6ffab89704d86de4affa6cd024be3bd79658561fd544c_ppc64leRHSA-2024:0100

rhbk/keycloakRocky

Fixed in:rhel9@sha256:88f657f1f805ec611ff6ffab89704d86de4affa6cd024be3bd79658561fd544c_ppc64leRHSA-2024:0100

Fixed in:rhel9-operator@sha256:bb21253f5563ba154c9dbd28560443a5d747211232c70645f4aa61f8e3f30bdf_ppc64leRHSA-2024:0100

Fixed in:rhel9@sha256:c2c04c0b330cf4e13b6e22377e20cfed6648bfabaca8d9b30ed0cea730e7b7bf_s390xRHSA-2024:0100

Fixed in:rhel9-operator@sha256:32817f8250713ae02ef6a1c6837298032ca49b27ff4af3c35c9bb763ad47ba75_s390xRHSA-2024:0100

Fixed in:rhel9@sha256:7a4e96d7b7b1d25bcc5ce00ea6c5d8d609e9c3368b60972c3995011565ffe5c8_amd64RHSA-2024:0100

Fixed in:operator-bundle@sha256:47323bf5e0d1ec70bfec6d7dd476d1076d879d26cc166af451579e79a56046ec_amd64RHSA-2024:0100

Fixed in:rhel9-operator@sha256:b24d774edf776b6514935c8a6dc4822891039311f76b104300348418ffda90cc_amd64RHSA-2024:0100

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 InteractionRequired

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

1.11%probability of exploitation in 30 days

62ndpercentile

Moderate risk: more likely to be exploited than 62% of all known CVEs.

References

Vendor Advisory2

Other references12

Related Vulnerabilities

Other CWE-601 (Open Redirect) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-4123	High	7.6	98%	-	Fix
CVE-2018-11784	Medium	4.3	94%	-	Fix
CVE-2021-22881	Medium	6.1	87%	-	Fix
CVE-2022-45402	Medium	6.1	82%	-	Fix
CVE-2017-1000117	High	8.8	78%	-	Fix
CVE-2019-10098	Medium	6.1	74%	-	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.