Vulnerability Details : CVE-2021-31559
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.
Products affected by CVE-2021-31559
- cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*
- cpe:2.3:a:splunk:splunk:8.2.0:*:*:*:enterprise:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-31559
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 31 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-31559
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:P/A:N |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
3.9
|
3.6
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
3.9
|
3.6
|
Splunk Inc. |
CWE ids for CVE-2021-31559
-
A product requires authentication, but the product has an alternate path or channel that does not require authentication.Assigned by: prodsec@splunk.com (Secondary)
References for CVE-2021-31559
-
https://www.splunk.com/en_us/product-security/announcements/svd-2022-0503.html
SVD-2022-0503 | SplunkVendor Advisory
Jump to