CVE-2023-22937: splunk Improper Input Validation
CVSS: 4.3v3.1MediumModified
Published 14-02-2023Last modified 28-02-2025
Vulnerability summary
CVE-2023-22937 is a medium (CVSS 4.3) Improper Input Validation vulnerability in splunk. EPSS estimates a 0.41% chance of exploitation in the next 30 days, higher than 34.3% of scored vulnerabilities.
CVSS score
4.3/10
010
Medium · v3.1 (CVE.org)EPSS score
0.41%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 14-02-2023PublishedVulnerability first disclosed.
- 28-02-2025Last modifiedVulnerability information updated.
Description
In Splunk Enterprise versions below 8.1.13, 8.2.10, and 9.0.4, the lookup table upload feature let a user upload lookup tables with unnecessary filename extensions. Lookup table file extensions may now be one of the following only: .csv, .csv.gz, .kmz, .kml, .mmdb, or .mmdb.gzl.
CVSS metrics
2 scores · 2 sources · 1 versionMedium 4.3Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:NSourcesAll 2 agree
- NVDNIST4.3MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
EPSS trend
Probability
0.41%
Chance of exploitation in the next 30 days
Percentile
34%
Versus all other CVEs
30-day change
0.00 pp
From 0.41% on 20-09-2026
20-09-202620-10-2026
EPSS score0.41%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
- CWE-434Unrestricted Upload of File with Dangerous TypeThe product allows the upload or transfer of dangerous file types that are automatically processed within its environment.
Affected systems
Splunk3 products
- splunk≥ 8.1.0, < 8.1.13 | ≥ 8.2.0, < 8.2.10 | ≥ 9.0.0, < 9.0.4
- splunk_cloud_platform≥ -, < 9.0.2209.3 | < 9.0.2209.3
- splunk enterprise≥ 8.1, < 8.1.13 | ≥ 8.2, < 8.2.10 | ≥ 9.0, < 9.0.4
1 vendor · 3 products