PatchTheCVECVE-2023-33373: Connected IO v2.1.0 and prior keeps passwords and credentials in clear-text format, allowing attackers to exfi
CVE-2023-33373 is a critical-severity flaw (CVSS 9.8) affecting connected io. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Connected IO v2.1.0 and prior keeps passwords and credentials in clear-text format, allowing attackers to exfiltrate the credentials and use them to impersonate the devices.
Why this priority
- Critical severity
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 9.8 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.4% (top 64%) |
| CISA exploited list | No |
| Weakness | CWE-312 |
| Published | 2023-08-04 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2023-33373?
connected io: upgrade to newer than 2.1.0. Exact commands for each OS are on this page.
Is CVE-2023-33373 being exploited?
CVE-2023-33373 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2023-33373 affect?
CVE-2023-33373 affects connected io. Severity is critical (CVSS 9.8). Connected IO v2.1.0 and prior keeps passwords and credentials in clear-text format, allowing attackers to exfiltrate the credentials and use them to impersonate the devices.
How urgent is CVE-2023-33373?
Priority 48/100. Critical severity; Remotely exploitable, no login, no user action
Related CVEs
- CVE-2023-33378 CRITICAL 9.8 UPGRADE Connected IO v2.1.0 and prior has an argument injection vulnerability in its AT command message in its communi
- CVE-2023-33377 CRITICAL 9.8 UPGRADE Connected IO v2.1.0 and prior has an OS command injection vulnerability in the set firewall command in part of
- CVE-2023-33376 CRITICAL 9.8 UPGRADE Connected IO v2.1.0 and prior has an argument injection vulnerability in its iptables command message in its c
- CVE-2023-33375 CRITICAL 9.8 UPGRADE Connected IO v2.1.0 and prior has a stack-based buffer overflow vulnerability in its communication protocol, e
- CVE-2023-33374 CRITICAL 9.8 UPGRADE Connected IO v2.1.0 and prior has a command as part of its communication protocol allowing the management plat