CVE-2021-31559

EUVD-2021-18456
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
SplunkCNA
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 41%
Affected Products (NVD)
VendorProductVersion
splunksplunk
8.1.0 ≤
𝑥
< 8.1.5
splunksplunk
8.2.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.splunk.com/en_us/product-security/announcements/svd-2022-0503.html
https://www.splunk.com/en_us/product-security/announcements/svd-2022-0503.html