Vulnerability Description
A crafted request bypasses S2S TCP Token authentication writing arbitrary events to an index in Splunk Enterprise Indexer 8.1 versions before 8.1.5 and 8.2 versions before 8.2.1. The vulnerability impacts Indexers configured to use TCPTokens. It does not impact Universal Forwarders.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Splunk | Splunk | >= 8.1.0, < 8.1.5 |
Related Weaknesses (CWE)
References
- https://www.splunk.com/en_us/product-security/announcements/svd-2022-0503.htmlVendor Advisory
- https://www.splunk.com/en_us/product-security/announcements/svd-2022-0503.htmlVendor Advisory
FAQ
What is CVE-2021-31559?
CVE-2021-31559 is a vulnerability with a CVSS score of 7.5 (HIGH). A crafted request bypasses S2S TCP Token authentication writing arbitrary events to an index in Splunk Enterprise Indexer 8.1 versions before 8.1.5 and 8.2 versions before 8.2.1. The vulnerability imp...
How severe is CVE-2021-31559?
CVE-2021-31559 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-31559?
Check the references section above for vendor advisories and patch information. Affected products include: Splunk Splunk.