acme.sh before 3.0.6 runs arbitrary commands from a remote server via eval, as exploited in the wild in June 2023.
Conclusion & alert: CVE-2023-38198 is rated Moderate Risk (58.6/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 0.93%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-23 | 1.12% | 0.93% | -0.19% |
| 2 | 2026-06-15 | 0.26% | 1.12% | +0.86% |
| 3 | 2026-02-04 | — | 0.26% | — |
Full EPSS history (21 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
unimportant | CVE-2023-38198 unimportant priority: Debian including 1 source packages (acme.sh), 3 status rows across 3 suites (forky, sid, trixie): resolved 3. | https://security-tracker.debian.org/tracker/CVE-2023-38198 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| acme.sh_project | acme.sh | < 3.0.6 | cpe:2.3:a:acme.sh_project:acme.sh:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.openwall.com/lists/oss-security/2023/07/13/1 | Mailing List Third Party Advisory |
| https://github.com/acmesh-official/acme.sh/issues/4659 | Issue Tracking Third Party Advisory |
| https://github.com/acmesh-official/acme.sh/releases/tag/3.0.6 | Release Notes |
| https://groups.google.com/a/mozilla.org/g/dev-security-policy/c/heXVr8o83Ys | Third Party Advisory |
| https://news.ycombinator.com/item?id=36252310 | Third Party Advisory |
| https://news.ycombinator.com/item?id=36254093 | Third Party Advisory |
| https://www.reddit.com/r/netsec/comments/144ygg7/acmesh_runs_arbitrary_commands_from_a_remote/ | Third Party Advisory |