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CVE-2023-38198

29
FAUCET Score

CVE-2023-38198 is a critical vulnerability affecting acme.sh versions prior to 3.0.6, allowing for arbitrary command execution from a remote server. With a CVSS score of 9.8 (CRITICAL), this vulnerability has a network attack vector, low attack complexity, and can lead to complete compromise of confidentiality, integrity, and availability. This flaw has been actively exploited in the wild as of June 2023, though no public exploit code or Metasploit modules are currently available. Community discussion indicates awareness and calls for immediate updates.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.0.6CPE matchmatch criteria
cpe:2.3:a:acme.sh_project:acme.sh:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.08%
Probability of exploitation in next 30 days
EPSS Percentile
61.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0108 is in the 47th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / acmesh-official/acme.sh/issues/4659
Issue TrackingThird Party Advisory
github.com / acmesh-official/acme.sh/releases/tag/3.0.6
Release Notes
groups.google.com / a/mozilla.org/g/dev-security-policy/c/heXVr8o83Ys
Third Party Advisory
news.ycombinator.com / item
Third Party Advisory
news.ycombinator.com / item
Third Party Advisory
reddit.com / r/netsec/comments/144ygg7/acmesh_runs_arbitrary_commands_from_a_remote
Third Party Advisory
openwall.com / lists/oss-security/2023/07/13/1
Mailing ListThird Party Advisory