HOMEVULNERABILITIESCVE-2018-14335
MEDIUMPOC

CVE-2018-14335

CWE-59Published: July 24, 2018· Updated: Jun 17, 2026

6.5
CVSS v3.1

Official Description

An issue was discovered in H2 1.4.197. Insecure handling of permissions in the backup function allows attackers to read sensitive files (outside of their permissions) via a symlink to a fake database file.

NVD Source

Technical Analysis

CVE-2018-14335 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 6.5.

A proof-of-concept (PoC) exploit exists for CVE-2018-14335. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected Vendors & Products

h2database1 product(s)
h2
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (10)

Quick Facts

CVE IDCVE-2018-14335
CVSS Score6.5 / 10
SeverityMEDIUM
WeaknessCWE-59
CISA KEVNo
ExploitPOC
Affected1 vendor(s)
PublishedJul 24, 2018

Related CVEs (CWE-59)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2018-14335 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. CVE data is provided under the NVD usage policy.