CVE-2023-40595: Remote Code Execution via Serialized Session Payload
First published: Wed Aug 30 2023(Updated: )
In Splunk Enterprise versions lower than 8.2.12, 9.0.6, and 9.1.1, an attacker can execute a specially crafted query that they can then use to serialize untrusted data. The attacker can use the query to execute arbitrary code.
Credit: prodsec@splunk.com prodsec@splunk.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Splunk Splunk | >=8.2.0<8.2.12 | |
| Splunk Splunk | >=9.0.0<9.0.6 | |
| Splunk Splunk | =9.1.0 | |
| Splunk Splunk Cloud Platform | <=9.0.2305.100 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2023-40595?
The severity of CVE-2023-40595 is critical.
Which versions of Splunk Enterprise are affected by CVE-2023-40595?
Versions lower than 8.2.12, 9.0.6, and 9.1.1 of Splunk Enterprise are affected by CVE-2023-40595.
How can an attacker exploit CVE-2023-40595?
An attacker can exploit CVE-2023-40595 by executing a specially crafted query to serialize untrusted data and execute arbitrary code.
Is the Splunk Cloud Platform affected by CVE-2023-40595?
Yes, the Splunk Cloud Platform is affected by CVE-2023-40595.
How can I fix CVE-2023-40595?
To fix CVE-2023-40595, upgrade to Splunk Enterprise versions 8.2.12, 9.0.6, or 9.1.1, depending on your current version.
- collector/nvd-index
- agent/references
- agent/author
- agent/type
- agent/event
- agent/softwarecombine
- agent/first-publish-date
- agent/title
- agent/weakness
- agent/tags
- agent/severity
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- vendor/splunk
- canonical/splunk splunk
- version/splunk splunk/8.2.0
- version/splunk splunk/9.0.0
- version/splunk splunk/9.1.0
- canonical/splunk splunk cloud platform
- version/splunk splunk cloud platform/9.0.2305.100