CVE-2021-22648 Ovarro TBox Incorrect Permission Assignment for Critical Resource

What is CVE-2021-22648?

CVE-2021-22648 is a high-severity missing authorization vulnerability in Ovarro TBox, published on 28 Jul 2022. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Ovarro TBox proprietary Modbus file access functions allow attackers to read, alter, or delete the configuration file.

Weakness: CWE-732

Which versions are affected by CVE-2021-22648?

It affects 8 products.

Products include Ovarro Tbox Lt2-530 Firmware, Ovarro Tbox Lt2-532 Firmware, Ovarro Tbox Lt2-540 Firmware, Ovarro Tbox Ms-Cpu32-S2 Firmware, Ovarro Tbox Ms-Cpu32 Firmware, Ovarro Tbox Rm2 Firmware and 2 more.

How do I fix CVE-2021-22648?

No fix has been published for CVE-2021-22648 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2021-22648 being exploited?

There is no known exploitation of CVE-2021-22648 in the wild and no public exploit code.

Other vulnerabilities in Ovarro TBox

• CVE-2021-22646 Ovarro TBox Code Injection High 8.8
• CVE-2021-22640 Ovarro TBox Insufficiently Protected Credentials High 7.5
• CVE-2021-22642 Ovarro TBox Uncontrolled Resource Consumption High 7.5
• CVE-2021-22644 Ovarro TBox Use of Hard-coded Cryptographic Key High 7.5
• CVE-2021-22650 Ovarro TBox Relative Path Traversal High 7.5

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-j5x9-r222-8r2p.