#VU77068 Improper Authorization in Splunk Enterprise and Splunk Cloud Platform - CVE-2023-22938

Vulnerability identifier: #VU77068

Vulnerability risk: Low

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-22938

CWE-ID: CWE-285

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Splunk Enterprise
Server applications / IDS/IPS systems, Firewalls and proxy servers
Splunk Cloud Platform
Server applications / IDS/IPS systems, Firewalls and proxy servers

Vendor: Splunk Inc.

Description

The vulnerability allows a remote attacker to bypass the authorization mechanisms.

The vulnerability exists due to permissions validation failure in the "sendemail" REST API Endpoint. A remote user can send an email as the Splunk instance.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Splunk Enterprise: 8.1.0 - 8.1.12, 8.2.0 - 8.2.9, 9.0.0 - 9.0.3

Splunk Cloud Platform: before 9.0.2212

---

External links
https://advisory.splunk.com/advisories/SVD-2023-0208

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.