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CVE-2017-16085

Directory Traversal in tinyserver2

7.5 HighFix available

tinyserver2 is a webserver for static files. tinyserver2 is vulnerable to a directory traversal issue, giving an attacker access to the filesystem by placing "../" in the URL.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
None
Availability
None

Exploit likelihood

1.97%Up 1.3 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 7.5

tinyserver2 is a webserver for static files. tinyserver2 is vulnerable to a directory traversal issue, giving an attacker access to the filesystem by placing "../" in the URL.

Record
CVE-2017-16085
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:P/I:N/A:N
Weakness
CWE-22
Updated
2026-11-02
CVE List No score

tinyserver2 is a webserver for static files. tinyserver2 is vulnerable to a directory traversal issue, giving an attacker access to the filesystem by placing "../" in the URL.

Record
CVE-2017-16085
Weakness
CWE-22
Updated
2026-11-02
EUVDEUVD-2018-0271 No score

tinyserver2 is a webserver for static files. tinyserver2 is vulnerable to a directory traversal issue, giving an attacker access to the filesystem by placing "../" in the URL.

Record
EUVD-2018-0271
Updated
2026-11-03
GitHub AdvisoriesGHSA-g8wf-rcg3-qw4q No score

Directory Traversal in tinyserver2

Affected versions of tinyserver2 resolve relative file paths, resulting in a directory traversal vulnerability. A malicious actor can use this vulnerability to access files outside of the intended directory root, which may result in the disclosure of private files on the vulnerable system.

Example request:

GET /../../../../../../../../../../etc/passwd HTTP/1.1
host:foo

Recommendation

Update to v0.6.0 or later.

Record
GHSA-g8wf-rcg3-qw4q
Weakness
CWE-22
Updated
2026-11-02
OSVGHSA-g8wf-rcg3-qw4q No score

Directory Traversal in tinyserver2

Affected versions of tinyserver2 resolve relative file paths, resulting in a directory traversal vulnerability. A malicious actor can use this vulnerability to access files outside of the intended directory root, which may result in the disclosure of private files on the vulnerable system.

Example request:

GET /../../../../../../../../../../etc/passwd HTTP/1.1
host:foo

Recommendation

Update to v0.6.0 or later.

Record
GHSA-g8wf-rcg3-qw4q
Weakness
CWE-22
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
tinyserver2
npm
through 0.5.2
0.6.0
tinyserver2
npm
before 0.6.0
0.6.0

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2017-16085 is a high vulnerability (CVSS 7.5) in Tinyserver2 Project Tinyserver2, published June 7, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.97%, the 80th percentile. Fixed in tinyserver2 0.6.0.

References

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