CVE-2019-13347
7.5 · HIGHOverview
CVE-2019-13347 is a high-severity vulnerability affecting atlassian saml_single_sign_on. It was published on December 13, 2019 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
An issue was discovered in the SAML Single Sign On (SSO) plugin for several Atlassian products affecting versions 3.1.0 through 3.2.2 for Jira and Confluence, versions 2.4.0 through 3.0.3 for Bitbucket, and versions 2.4.0 through 2.5.2 for Bamboo. It allows locally disabled users to reactivate their accounts just by browsing the affected Jira/Confluence/Bitbucket/Bamboo instance, even when the applicable configuration option of the plugin has been disabled ("Reactivate inactive users"). Exploiting this vulnerability requires an attacker to be authorized by the identity provider and requires that the plugin's configuration option "User Update Method" have the "Update from SAML Attributes" value.
Remediation
Check the references section for vendor advisories and patches from atlassian. Update saml_single_sign_on to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| atlassian | saml_single_sign_on | 2.4.0 | Affected |
References
Frequently Asked Questions
What is CVE-2019-13347?
CVE-2019-13347 is a high-severity vulnerability affecting atlassian saml_single_sign_on. It was published on December 13, 2019 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2019-13347?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2019-13347?
Check the references section for vendor advisories and patches from atlassian. Update saml_single_sign_on to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2019-13347?
CyberStrike's AI-powered security agents can automatically detect CVE-2019-13347 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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