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CVE-2015-3309

21
FAUCET Score

CVE-2015-3309 is a directory traversal vulnerability in Etherpad versions 1.1.2 through 1.5.4, specifically within the node/utils/Minify.js component. This flaw allows unauthenticated remote attackers to read arbitrary files on the server by manipulating the 'path' parameter in HTTP API requests with '..' sequences. Rated with a CVSS score of 7.5 (HIGH), this vulnerability has a low attack complexity and can lead to significant information disclosure. While it was an incomplete fix for a previous CVE, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 1.1.2, <= 1.5.4CPE matchmatch criteria
cpe:2.3:a:etherpad:etherpad:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.32%
Probability of exploitation in next 30 days
EPSS Percentile
81.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0232 is in the 67th percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

cve.killedkenny.io / cve/CVE-2015-3309
Third Party Advisory
github.com / ether/etherpad-lite/commit/0fa7650df8f940ed6b577d79836a78eb09726c4b
Third Party Advisory
openwall.com / lists/oss-security/2015/04/16/8
Mailing ListThird Party Advisory