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CVE-2023-40593

MEDIUM
Published 2023-08-30T16:19:41.308Z
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Expert Analysis

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CVSS Score

V3.1
6.3
/10
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.001
probability
of exploitation in the wild

There is a 0.1% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.328
Higher than 32.8% of all CVEs

Attack Vector Metrics

Attack Vector
Not Available
Attack Complexity
Not Available
Privileges Required
Not Available
User Interaction
Not Available
Scope
Not Available

Impact Metrics

Confidentiality
Not Available
Integrity
Not Available
Availability
Not Available

Description

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Splunk

Splunk Enterprise

Affected Versions:

8.2 9.0
Splunk

Splunk Cloud

Affected Versions:

-

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-qpqv-mwrg-mw8j

Advisory Details

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.

CVSS Scoring

CVSS Score

7.5

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2023-40593
WEB https://advisory.splunk.com/advisories/SVD-2023-0802
WEB https://research.splunk.com/application/8e8a86d5-f323-4567-95be-8e817e2baee6

Advisory provided by GitHub Security Advisory Database. Published: August 30, 2023, Modified: November 3, 2023

References

https://advisory.splunk.com/advisories/SVD-2023-0802
https://research.splunk.com/application/8e8a86d5-f323-4567-95be-8e817e2baee6/
Published: 2023-08-30T16:19:41.308Z
Last Modified: 2025-02-28T11:03:56.605Z
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