What is CVE-2023-40593?

CVE-2023-40593 is a medium-severity vulnerability in Splunk Cloud, classified under Uncontrolled Resource Consumption. CVSS score: 6.3/10. Published 2023-08-30.

How severe is CVE-2023-40593?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Is CVE-2023-40593 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Resource exhaustion in Splunk Cloud

CVE-2023-40593

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 han…

Vulnerability class: DoS (Denial of Service)

EPSS: 0.002 (36.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H.

Affected products

Splunk Cloud
Splunk Enterprise — versions 8.2, 9.0

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

Frequently asked questions

What is CVE-2023-40593?: CVE-2023-40593 is a medium-severity vulnerability in Splunk Cloud, classified under Uncontrolled Resource Consumption. CVSS score: 6.3/10. Published 2023-08-30.
How severe is CVE-2023-40593?: Medium severity. CVSS v3 base score is 6.3 out of 10.
Is CVE-2023-40593 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.