CVE-2023-38198 — acme

acme.sh before 3.0.6 runs arbitrary commands from a remote server via eval, as exploited in the wild in June 2023.

01What is this vulnerability?

acme.sh before 3.0.6 runs arbitrary commands from a remote server via eval, as exploited in the wild in June 2023.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-07-13T00:00:00.000Z
• Last modified: 2025-02-13T17:01:47.598Z

09References

• github.com — https://github.com/acmesh-official/acme.sh/issues/4659
• groups.google.com — https://groups.google.com/a/mozilla.org/g/dev-security-policy/c/heXVr8o83Ys
• news.ycombinator.com — https://news.ycombinator.com/item?id=36252310
• github.com — https://github.com/acmesh-official/acme.sh/releases/tag/3.0.6
• news.ycombinator.com — https://news.ycombinator.com/item?id=36254093
• www.reddit.com — https://www.reddit.com/r/netsec/comments/144ygg7/acmesh_runs_arbitrary_commands_…
• www.openwall.com — http://www.openwall.com/lists/oss-security/2023/07/13/1