HOMEVULNERABILITIESCVE-2015-3309
HIGH

CVE-2015-3309

CWE-22Published: February 13, 2020· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

Directory traversal vulnerability in node/utils/Minify.js in Etherpad 1.1.2 through 1.5.4 allows remote attackers to read arbitrary files with permissions of the user running the service via a .. (dot dot) in the path parameter of HTTP API requests. NOTE: This vulnerability is due to an incomplete fix to CVE-2015-3297.

NVD Source

Technical Analysis

CVE-2015-3309 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Vendors & Products

etherpad1 product(s)
etherpad
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttp://cve.killedkenny.io/cve/CVE-2015-3309
ADVISORYhttp://www.openwall.com/lists/oss-security/2015/04/16/8
ADVISORYhttps://github.com/ether/etherpad-lite/commit/0fa7650df8f940ed6b577d79836a78eb09726c4b
ADVISORYhttp://cve.killedkenny.io/cve/CVE-2015-3309
ADVISORYhttp://www.openwall.com/lists/oss-security/2015/04/16/8
ADVISORYhttps://github.com/ether/etherpad-lite/commit/0fa7650df8f940ed6b577d79836a78eb09726c4b

All References (6)

→
http://cve.killedkenny.io/cve/CVE-2015-3309Third Party Advisory
→
http://www.openwall.com/lists/oss-security/2015/04/16/8Mailing List · Third Party Advisory
→
https://github.com/ether/etherpad-lite/commit/0fa7650df8f940ed6b577d79836a78eb09726c4bThird Party Advisory
→
http://cve.killedkenny.io/cve/CVE-2015-3309Third Party Advisory
→
http://www.openwall.com/lists/oss-security/2015/04/16/8Mailing List · Third Party Advisory
→
https://github.com/ether/etherpad-lite/commit/0fa7650df8f940ed6b577d79836a78eb09726c4bThird Party Advisory

Quick Facts

CVE IDCVE-2015-3309
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-22
CISA KEVNo
Affected1 vendor(s)
PublishedFeb 13, 2020

Related CVEs (CWE-22)

CVE-2011-3495
10.0
CVE-2010-5286
10.0
CVE-2010-5323
10.0
CVE-2010-5324
10.0
CVE-2014-3914
10.0
CVE-2012-4705
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2015-3309 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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