CVE-2017-16038: `f2e-server` 1.12.11 and earlier is vulnerable to a directory traversal issue, giving an attacker access to th

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HIGH 7.5REMOTEUPGRADE

CVE-2017-16038 is a high-severity flaw (CVSS 7.5) affecting f2e-server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

`f2e-server` 1.12.11 and earlier is vulnerable to a directory traversal issue, giving an attacker access to the filesystem by placing "../" in the url. This is compounded by `f2e-server` requiring elevated privileges to run.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.5% (top 15%)
CISA exploited list	No
Weakness	CWE-22
Published	2018-06-04
Last modified	2026-06-17

Publisher (CNA): HackerOne · Vendor: f2e-server project

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

Am I affected?

Timeline

2018-06-04 19:29 UTCPublished CVE record published
2026-06-17 01:08 UTCUpdated Record last modified

f2e-server project f2e-server UPGRADE

Affected: <= 1.12.11

Fixed in: newer than 1.12.11

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls f2e-server

2. UPGRADE to newer than 1.12.11

npm install f2e-server@">1.12.11"

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-2017-16038?

f2e-server: upgrade to newer than 1.12.11. Exact commands for each OS are on this page.

Is CVE-2017-16038 being exploited?

CVE-2017-16038 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-2017-16038 affect?

CVE-2017-16038 affects f2e-server. Severity is high (CVSS 7.5). `f2e-server` 1.12.11 and earlier is vulnerable to a directory traversal issue, giving an attacker access to the filesystem by placing "../" in the url. This is compounded by `f2e-server` requiring elevated privileges to run.

How urgent is CVE-2017-16038?

Priority 57/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

References

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