How severe is CVE-2016-8629?

CVE-2016-8629 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2016-8629 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-8629?

CVE-2016-8629 primarily affects Redhat Keycloak. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-8629?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2016-8629 published?

CVE-2016-8629 was published on 2018-03-12 and last updated on 2026-06-17.

CVE-2016-8629

CVE-2016-8629 is a medium-severity vulnerability in Redhat Keycloak with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 5.5
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Redhat Keycloak
Published: 2018-03-12
Last modified: 2026-06-17

Description

Red Hat Keycloak before version 2.4.0 did not correctly check permissions when handling service account user deletion requests sent to the rest server. An attacker with service account authentication could use this flaw to bypass normal permissions and delete users in a separate realm.

Frequently asked questions

What is CVE-2016-8629?: Red Hat Keycloak before version 2.4.0 did not correctly check permissions when handling service account user deletion requests sent to the rest server. An attacker with service account authentication could use this flaw to bypass normal permissions and delete users in a separate realm.
How severe is CVE-2016-8629?: CVE-2016-8629 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2016-8629 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-8629?: CVE-2016-8629 primarily affects Redhat Keycloak. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-8629?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-8629 published?: CVE-2016-8629 was published on 2018-03-12 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*
cpe:2.3:a:redhat:single_sign_on:7.1:*:*:*:*:*:*:*
cpe:2.3:a:redhat:single_sign_on:7.2:*:*:*:*:*:*:*

More vulnerabilities in Redhat Keycloak

CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…
CVE-2022-1245 — Critical (CVSS 9.8): A privilege escalation flaw was found in the token exchange feature of keycloak. Missing authorization allows a client…
CVE-2019-14910 — Critical (CVSS 9.8): A vulnerability was found in keycloak 7.x, when keycloak is configured with LDAP user federation and StartTLS is used…
CVE-2021-20195 — Critical (CVSS 9.6): A flaw was found in keycloak in versions before 13.0.0. A Self Stored XSS attack vector escalating to a complete…
CVE-2022-3782 — Critical (CVSS 9.1): keycloak: path traversal via double URL encoding. A flaw was found in Keycloak, where it does not properly validate…
CVE-2019-14837 — Critical (CVSS 9.1): A flaw was found in keycloack before version 8.0.0. The owner of 'placeholder.org' domain can setup mail server on this…

All CVEs affecting Redhat Keycloak →

Other CWE-264 (Permissions, Privileges, and Access Controls) vulnerabilities

CVE-2016-8363 — Critical (CVSS 10.0): An issue was discovered in Moxa OnCell OnCellG3470A-LTE, AWK-1131A/3131A/4131A Series, AWK-3191 Series, AWK-5232/6232…
CVE-2016-7457 — Critical (CVSS 10.0): VMware vRealize Operations (aka vROps) 6.x before 6.4.0 allows remote authenticated users to gain privileges, or halt…
CVE-2015-7425 — Critical (CVSS 10.0): The Data Protection component in the VMware vSphere GUI in IBM Tivoli Storage Manager for Virtual Environments: Data…
CVE-2015-8267 — Critical (CVSS 10.0): The PasswordReset.Controllers.ResetController.ChangePasswordIndex method in PasswordReset.dll in Dovestones AD Self…
CVE-2015-7919 — Critical (CVSS 10.0): SearchBlox 8.3 before 8.3.1 allows remote attackers to write to the config file, and consequently cause a denial of…
CVE-2015-7071 — Critical (CVSS 10.0): The File Bookmark component in Apple OS X before 10.11.2 allows attackers to bypass a sandbox protection mechanism for…

Browse all CWE-264 (Permissions, Privileges, and Access Controls) vulnerabilities →