CVE-2023-40593

2023-08-3017:15:09

CWE-400

[email protected]

web.nvd.nist.gov

108

splunk

enterprise

saml

cve-2023-40593

dos

nvd

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

0.0005 Low

EPSS

Percentile

17.0%

JSON

In Splunk Enterprise versions lower than 9.0.6 and 8.2.12, a malicious actor can send a malformed security assertion markup language (SAML) request to the /saml/acs REST endpoint which can cause a denial of service through a crash or hang of the Splunk daemon.

Affected configurations

NVD

Node

splunksplunkRange8.2.0–8.2.12enterprise

splunksplunkRange9.0.0–9.0.6enterprise

splunksplunk_cloud_platformRange≤9.0.2305.100

CPENameOperatorVersion
splunk:splunksplunklt8.2.12
splunk:splunksplunklt9.0.6
splunk:splunk_cloud_platformsplunk splunk cloud platformle9.0.2305.100

CPE	Name	Operator	Version
splunk:splunk	splunk	lt	8.2.12
splunk:splunk	splunk	lt	9.0.6
splunk:splunk_cloud_platform	splunk splunk cloud platform	le	9.0.2305.100

CNA Affected

[
  {
    "product": "Splunk Enterprise",
    "vendor": "Splunk",
    "versions": [
      {
        "version": "8.2",
        "status": "affected",
        "versionType": "custom",
        "lessThan": "8.2.12"
      },
      {
        "version": "9.0",
        "status": "affected",
        "versionType": "custom",
        "lessThan": "9.0.6"
      }
    ]
  },
  {
    "product": "Splunk Cloud",
    "vendor": "Splunk",
    "versions": [
      {
        "version": "-",
        "status": "affected",
        "versionType": "custom",
        "lessThan": "9.0.2205"
      }
    ]
  }
]