Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2023-40593

22
FAUCET Score

CVE-2023-40593 is a denial-of-service vulnerability affecting Splunk Enterprise versions prior to 9.0.6 and 8.2.12, as well as Splunk Cloud Platform. An unauthenticated attacker can trigger a Splunk daemon crash or hang by sending a specially crafted SAML request to the /saml/acs REST endpoint. With a CVSS score of 7.5 (High), this vulnerability is easily exploitable over the network with low complexity and no user interaction, leading to high availability impact. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 8.2.0, < 8.2.12CPE matchmatch criteria
cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*
>= 9.0.0, < 9.0.6CPE matchmatch criteria
cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*
<= 9.0.2305.100CPE matchmatch criteria
cpe:2.3:a:splunk:splunk_cloud_platform:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
4.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.49%
Probability of exploitation in next 30 days
EPSS Percentile
39.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0049 is in the 17th percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

bitdefenderpatch availablevia llm_extracted
Fixed in: ['8.2.12', '9.0.6', '9.0.2205']
View patch

Vendor Advisories (1)

bitdefenderllm-bitdefender-d050c8dd79cdd2eaMEDIUM

Denial of Service (DoS) in Splunk Enterprise Using a Malformed SAML Request

Aug 30, 2023

References

advisory.splunk.com / advisories/SVD-2023-0802
Vendor Advisory
research.splunk.com / application/8e8a86d5-f323-4567-95be-8e817e2baee6
Vendor Advisory