#VU11118 Privilege escalation in OSIsoft PI Web API - CVE-2018-7500

Vulnerability identifier: #VU11118

Vulnerability risk: Low

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-7500

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
OSIsoft PI Web API
Server applications / Database software

Vendor: OSIsoft

Description
The vulnerability allows a remote attacker to gain elevated privileges on the target system.

The weakness exists due to improper privileges and access controls. A remote attacker can escalate his privileges and access the PI System via the service account.

Mitigation
Install update from vendor's website.

Vulnerable software versions

OSIsoft PI Web API: All versions

---

External links
https://techsupport.osisoft.com/Troubleshooting/Alerts/AL00336

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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