01 Record
CVE-2026-20202
Improper Input Validation during User Account Creation in Splunk Enterprise
MediumPUBLISHEDCNA: cisco
CNA base score6.6 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
02 Description
Improper Input Validation during User Account Creation in Splunk Enterprise
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 0.24% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 15.7% of scored records. A rank, not a probability.
- NVD base score
- 6.6 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-10-26.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-04-15 15:17Z6 MO AGO
- Last updated
- 2026-04-16 03:55Z6 MO AGO
- Reserved
- 2025-10-08
- Assigning CNA
- cisco
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 6.6)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-176Improper Handling of Unicode EncodingVariant
- Data version
- 5.2
- Document digest
- bdcb1ce380ce173aadb2b36cfc52f8e393a8c4711e7f37b93d63b7eafa5186c5
05 Affected products
VendorProductVersionsPlatforms
SplunkSplunk Cloud Platform10.4.2603 to < Not Affected, 10.3.2512 to < 10.3.2512.6, 10.2.2510 to < 10.2.2510.10, 10.1.2507 to < 10.1.2507.20, 10.0.2503 to < 10.0.2503.13, 9.3.2411 to < 9.3.2411.127—
06 References
- advisory.splunk.comhttps://advisory.splunk.com/advisories/SVD-2026-0401