What is CVE-2023-30261?

CVE-2023-30261 is a critical-severity vulnerability in Openwb, classified under OS Command Injection. CVSS score: 9.8/10. Published 2023-06-26.

How severe is CVE-2023-30261?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Openwb

CVE-2023-30261

Command Injection vulnerability in OpenWB 1.6 and 1.7 allows remote attackers to run arbitrary commands via crafted GET request.

Vulnerability class: Command Injection (OS Command Injection)

Published 2023-06-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.317 (98.3th percentile), scored 2026-10-07.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.317 · newest: 0.317 · change: 0.000

Affected products

Openwb — versions 1.6, 1.7

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

github.com/snaptec/openWB/issues/2672 (Exploit, Third Party Advisory, Mitigation, Issue Tracking)
github.com/snaptec/openWB/pull/2673 (Patch)
eldstal.se/advisories/230329-openwb.html (Exploit, Third Party Advisory, Mitigation)

Frequently asked questions

What is CVE-2023-30261?: CVE-2023-30261 is a critical-severity vulnerability in Openwb, classified under OS Command Injection. CVSS score: 9.8/10. Published 2023-06-26.
How severe is CVE-2023-30261?: Critical severity. CVSS v3 base score is 9.8 out of 10.