What is CVE-2024-47529?

CVE-2024-47529 is a medium-severity vulnerability in Openc3 Cosmos, classified under Cleartext Storage of Sensitive Information. CVSS score: 6.5/10. Published 2024-10-02.

How severe is CVE-2024-47529?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Openc3 Cosmos

CVE-2024-47529

OpenC3 COSMOS provides the functionality needed to send commands to and receive data from one or more embedded systems. OpenC3 COSMOS stores the password of a user unencrypted in the LocalStorage of a web browser. This makes the user password susceptible to exfiltration via Cross-site scripting (see GHSL-2024-128). This vulnerability is fixed in 5.19.0. This only affects Open Source edition, and not OpenC3 COSMOS Enterprise Edition.

Published 2024-10-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (29.0th percentile), scored 2026-09-24.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 29.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.000

Affected products

Openc3 Cosmos — versions < 5.19.0

Weakness classification (CWE)

CWE-312 — Cleartext Storage of Sensitive Information

References

github.com/OpenC3/cosmos/security/advisories/GHSA-4xqv-47rm-37mm (Vendor Advisory)
github.com/OpenC3/cosmos/commit/b5ab34fe7fa54c0c8171c4aa3caf4e03d6f63bd7 (Patch)
securitylab.github.com/advisories/GHSL-2024-127_GHSL-2024-129_OpenC3_COSMOS (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2024-47529?: CVE-2024-47529 is a medium-severity vulnerability in Openc3 Cosmos, classified under Cleartext Storage of Sensitive Information. CVSS score: 6.5/10. Published 2024-10-02.
How severe is CVE-2024-47529?: Medium severity. CVSS v3 base score is 6.5 out of 10.