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CVE-2016-4320

19
FAUCET Score

CVE-2016-4320 describes a directory traversal vulnerability in Atlassian Bitbucket Server versions prior to 4.7.1, allowing authenticated remote attackers to read the first line of arbitrary files via the pull requests resource. This vulnerability has a CVSS score of 4.3 (Medium), indicating low attack complexity and requiring low privileges, with a potential impact of limited confidentiality compromise. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.7.1CPE matchmatch criteria
cpe:2.3:a:atlassian:bitbucket:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

4.3MEDIUM

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
1.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.75%
Probability of exploitation in next 30 days
EPSS Percentile
75.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0175 is in the 88th percentile among its peer group of 21,958 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Remediation records are not available for this CVE.

References

confluence.atlassian.com / bitbucketserver/bitbucket-server-4-7-release-notes-829052416.html
Vendor Advisory
jira.atlassian.com / browse/BSERV-8819
Issue TrackingVendor Advisory
securityfocus.com / bid/97515
Third Party AdvisoryVDB Entry