CVE-2017-1000212: Elixir's vim plugin, alchemist.vim is vulnerable to remote code execution in the bundled alchemist-server

This week

CRITICAL 9.8REMOTEMITIGATE

CVE-2017-1000212 is a critical-severity flaw (CVSS 9.8) affecting alchemist-server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Elixir's vim plugin, alchemist.vim is vulnerable to remote code execution in the bundled alchemist-server. A malicious website can execute requests against an ephemeral port on localhost that are then evaluated as elixir code.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.9% (top 13%)
CISA exploited list	No
Published	2017-11-17
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: alchemist-elixir

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2017-11-17 15:29 UTCPublished CVE record published
2026-06-17 00:58 UTCUpdated Record last modified

alchemist-elixir alchemist-server MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy alchemist-server || rpm -q alchemist-server || alchemist-server --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2017-1000212?

alchemist-server: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2017-1000212 being exploited?

CVE-2017-1000212 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2017-1000212 affect?

CVE-2017-1000212 affects alchemist-server. Severity is critical (CVSS 9.8). Elixir's vim plugin, alchemist.vim is vulnerable to remote code execution in the bundled alchemist-server. A malicious website can execute requests against an ephemeral port on localhost that are then evaluated as elixir code.

How urgent is CVE-2017-1000212?

Priority 61/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

Vim vulnerabilities

References

← Back to latest CVEs