Is CVE-2023-6291 in the CISA KEV catalog?

No. CVE-2023-6291 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-6291?

CVE-2023-6291 has a CVSS v3 base score of 7.1 (HIGH).

What is the EPSS score for CVE-2023-6291?

CVE-2023-6291 has an EPSS score of 0.95% (57th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2023-6291

Q: How do I fix CVE-2023-6291?

Upgrade rh-sso-7/sso7-rhel8 on rocky 8 to operator-bundle@sha256:4cbf1a09c7207f9f1ffc918b5e8a4adaa89938befc6d75040b3ddd505ab14f6c_amd64 or later. Fixes are available for 10 affected products.

HIGH

7.1

CVSS v3

NVD

Description

A flaw was found in the redirect_uri validation logic in Keycloak. This issue may allow a bypass of otherwise explicitly allowed hosts. A successful attack may lead to an access token being stolen, making it possible for the attacker to impersonate other users.

CWE-601Open Redirect

How to fix

Remediation Available

rh-sso-7/sso7-rhel8Rocky

Fixed in:operator-bundle@sha256:4cbf1a09c7207f9f1ffc918b5e8a4adaa89938befc6d75040b3ddd505ab14f6c_amd64RHSA-2023:7857

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

Fixed in:operator-bundle@sha256:4cbf1a09c7207f9f1ffc918b5e8a4adaa89938befc6d75040b3ddd505ab14f6c_amd64RHSA-2023:7857

rh-sso-7/sso76Red Hat / RHEL

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

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

Fixed in:openshift-rhel8@sha256:db235506ce5d840dc139a3cde4114939222df6abb0901efaaff4f9ddbc495b9b_amd64RHSA-2023:7857

Fixed in:openshift-rhel8@sha256:c65934aa7883ccd9655cd1e7e47899e97470e42cc32bbe5386cc64f88fd26696_ppc64leRHSA-2023:7857

Fixed in:openshift-rhel8@sha256:05c8f187d183582102855c12ac856f361cc6a0bbd792675799bfc319694bc662_s390xRHSA-2023:7857

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

rh-sso-7/sso76Rocky

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

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

Fixed in:openshift-rhel8@sha256:db235506ce5d840dc139a3cde4114939222df6abb0901efaaff4f9ddbc495b9b_amd64RHSA-2023:7857

Fixed in:openshift-rhel8@sha256:05c8f187d183582102855c12ac856f361cc6a0bbd792675799bfc319694bc662_s390xRHSA-2023:7857

Fixed in:openshift-rhel8@sha256:c65934aa7883ccd9655cd1e7e47899e97470e42cc32bbe5386cc64f88fd26696_ppc64leRHSA-2023:7857

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

rh-sso7-keycloakRocky

Fixed in:0:18.0.11-2.redhat_00003.1.el7ssoRHSA-2023:7854

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:0:18.0.11-2.redhat_00003.1.el8ssoRHSA-2023:7856

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

Fixed in:0:18.0.11-2.redhat_00003.1.el9ssoRHSA-2023:7855

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

Fixed in:0:18.0.11-2.redhat_00003.1.el9ssoRHSA-2023:7855

rh-sso7-keycloakRed Hat / RHEL

Fixed in:0:18.0.11-2.redhat_00003.1.el7ssoRHSA-2023:7854

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

Fixed in:0:18.0.11-2.redhat_00003.1.el8ssoRHSA-2023:7856

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

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

Fixed in:0:18.0.11-2.redhat_00003.1.el9ssoRHSA-2023:7855

rh-sso7-keycloak-serverRocky

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

Fixed in:0:18.0.11-2.redhat_00003.1.el7ssoRHSA-2023:7854

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

Fixed in:0:18.0.11-2.redhat_00003.1.el8ssoRHSA-2023:7856

Fixed in:0:18.0.11-2.redhat_00003.1.el9ssoRHSA-2023:7855

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

rh-sso7-keycloak-serverRed Hat / RHEL

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

Fixed in:0:18.0.11-2.redhat_00003.1.el7ssoRHSA-2023:7854

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

Fixed in:0:18.0.11-2.redhat_00003.1.el8ssoRHSA-2023:7856

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

Fixed in:0:18.0.11-2.redhat_00003.1.el9ssoRHSA-2023:7855

rhbk/keycloakRocky

Fixed in:rhel9-operator@sha256:b79c5a6857d87daedeb8bf90fd4df9f73a663c5dc1567a5855eeebc8776d8b04_ppc64leRHSA-2023:7861

Fixed in:rhel9@sha256:cae4e2e48188b03a76a4e13e061e16cae7ee053bf32ec164ed140dce30c94cbf_ppc64leRHSA-2023:7861

Fixed in:rhel9-operator@sha256:c27cc8e7d7afc40125624c250be2cbefc9589645df6890bef6b601bbcfd0a9d7_amd64RHSA-2023:7861

Fixed in:operator-bundle@sha256:95af3ba537cf925f0359d54c7cd6d1dc360c9f109dcdd79322e9eb981c9b1ec6_amd64RHSA-2023:7861

Fixed in:rhel9@sha256:ca08c57756107d6701bdc10590466a7ca7a42bf1bc7883e9df3d4b6b04800343_amd64RHSA-2023:7861

Fixed in:rhel9-operator@sha256:96bdf3a2d1491a1cf26c0f8e46ff0b124d27f8ae67181b6e52faffc5cafd8837_s390xRHSA-2023:7861

Fixed in:rhel9@sha256:ff4d7fbeb78a227d9078acb131a0762f36df194f905f5c8f1434efe073355b92_s390xRHSA-2023:7861

rhbk/keycloakRed Hat / RHEL

Fixed in:rhel9-operator@sha256:b79c5a6857d87daedeb8bf90fd4df9f73a663c5dc1567a5855eeebc8776d8b04_ppc64leRHSA-2023:7861

Fixed in:rhel9@sha256:cae4e2e48188b03a76a4e13e061e16cae7ee053bf32ec164ed140dce30c94cbf_ppc64leRHSA-2023:7861

Fixed in:rhel9-operator@sha256:c27cc8e7d7afc40125624c250be2cbefc9589645df6890bef6b601bbcfd0a9d7_amd64RHSA-2023:7861

Fixed in:operator-bundle@sha256:95af3ba537cf925f0359d54c7cd6d1dc360c9f109dcdd79322e9eb981c9b1ec6_amd64RHSA-2023:7861

Fixed in:rhel9@sha256:ca08c57756107d6701bdc10590466a7ca7a42bf1bc7883e9df3d4b6b04800343_amd64RHSA-2023:7861

Fixed in:rhel9-operator@sha256:96bdf3a2d1491a1cf26c0f8e46ff0b124d27f8ae67181b6e52faffc5cafd8837_s390xRHSA-2023:7861

Fixed in:rhel9@sha256:ff4d7fbeb78a227d9078acb131a0762f36df194f905f5c8f1434efe073355b92_s390xRHSA-2023:7861

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

AvailabilityLow

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

Exploit Intelligence

0.95%probability of exploitation in 30 days

57thpercentile

Moderate risk: more likely to be exploited than 57% of all known CVEs.

References

Vendor Advisory9

Other references5

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.