Vulnerability in Splunk
CVE-2022-32153
Splunk Enterprise peers in Splunk Enterprise versions before 9.0 and Splunk Cloud Platform versions before 8.2.2203 did not validate the TLS certificates during Splunk-to-Splunk communications by default. Splunk peer communications configured properly with valid certificates were not vulnerable. However, an attacker with administrator credentials could add a peer without a valid certificate and connections from misconfigured nodes without valid certificates did not fail by default. For Splunk Enterprise, update to Splunk Enterprise version 9.0 and Configure TLS host name validation for Splunk-to-Splunk communications (https://docs.splunk.com/Documentation/Splunk/9.0.0/Security/EnableTLSCertHostnameValidation) to enable the remediation.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.009 (59.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: +0.000
Affected products
- Splunk
- Splunk Cloud Platform
- Splunk, Inc Splunk Cloud Platform — versions 8.2
- Splunk, Inc Splunk Enterprise — versions 9.0
Weakness classification (CWE)
References
- docs.splunk.com/Documentation/Splunk/9.0.0/Security/EnableTLSCertHostnameValida… (Mitigation, Vendor Advisory)
- docs.splunk.com/Documentation/Splunk/9.0.0/Security/Updates (Release Notes, Vendor Advisory)
- research.splunk.com/application/splunk_digital_certificates_infrastructure_vers… (Mitigation, Vendor Advisory)
- research.splunk.com/application/splunk_digital_certificates_lack_of_encryption/ (Mitigation, Vendor Advisory)
- research.splunk.com/application/splunk_protocol_impersonation_weak_encryption_s… (Mitigation, Vendor Advisory)
- research.splunk.com/network/splunk_identified_ssl_tls_certificates/ (Mitigation, Vendor Advisory)
- www.splunk.com/en_us/product-security/announcements/svd-2022-0603.html (Vendor Advisory)
Frequently asked questions
- What is CVE-2022-32153?
- CVE-2022-32153 is a high-severity vulnerability in Splunk, classified under Improper Validation of Certificate with Host Mismatch. CVSS score: 8.1/10. Published 2022-06-15.
- How severe is CVE-2022-32153?
- High severity. CVSS v3 base score is 8.1 out of 10.