CVE-2021-35978
What it is
An issue was discovered in Digi TransPort DR64, SR44 VC74, and WR. The ZING protocol allows arbitrary remote command execution with SUPER privileges. This allows an attacker (with knowledge of the protocol) to execute arbitrary code on the controller including overwriting firmware, adding/removing users, disabling the internal firewall, etc.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 3.7% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 3.7% in the next 30 days (EPSS).
- Severity: 9.8 CRITICAL (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 3.7% · EPSS, next 30 days
- Weakness
- CWE-77 · Command injection
- Record status
- Modified
Affected
- Digi Transport dr64 Firmware ≤ 5.2.4.9
- Digi Transport sr44 Firmware
- Digi Transport vc74 Firmware ≤ 5.2.4.9
- Digi Transport wr11 Firmware ≤ 8.2.1.3
- Digi Transport wr11 Xt Firmware ≤ 8.2.1.3
- Digi Transport wr21 Firmware ≤ 8.2.1.3
- Digi Transport wr31 Firmware ≤ 8.2.1.3
- Digi Transport wr41 Firmware ≤ 5.2.4.6
Attack profile CVSS 3.1 · 9.8
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2021-35978.md and follow it. Check whether this project is affected by CVE-2021-35978. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.