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Fencer Vulns
medium 6.5

CVE-2018-14335 json

An issue was discovered in H2 1.4.197.

published 2018-07-24 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-6257

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
13.2%
EPSS 13.2% chance of exploitation in 30 days, percentile 96%
public exploits
1
Exploit-DB

Summary

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.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-14335 updated cvss 4.3

h2: Information Exposure due to insecure handling of permissions in the backup

  • Red Hat JBoss BRMS 5 h2 Red Hat JBoss BRMS 6 h2 Red Hat JBoss Data Virtualization 6 h2
    affected: no fix planned “Out of support scope”
  • Red Hat JBoss Enterprise Application Platform 6 h2 Red Hat JBoss Enterprise Application Platform 7 h2
    affected: no fix planned “Will not fix”
  • Red Hat JBoss Fuse 6 h2 Red Hat JBoss Fuse Service Works 6 h2 Red Hat JBoss Operations Network 3 h2 Red Hat JBoss SOA Platform 5 h2
    affected: no fix planned “Out of support scope”
  • Red Hat OpenStack Platform 8 (Liberty) opendaylight Red Hat OpenStack Platform 9 (Mitaka) opendaylight Red Hat OpenStack Platform 10 (Newton) opendaylight Red Hat OpenStack Platform 12 (Pike) opendaylight Red Hat OpenStack Platform 13 (Queens) opendaylight
    affected: no fix planned “Will not fix”
  • Red Hat Data Grid 7.3.3
    fixed: vendor fix RHSA-2020:0727
  • Red Hat Fuse 7 h2 Red Hat Single Sign-On 7 h2
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. Published
  2. First public exploit (EDB-45105)

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

13.22% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-45105 H2 Database 1.4.197 - Information Disclosure webapps, 2018-07-30
  • gist.github.com https://gist.github.com/owodelta/9714faf9a86435cef5a99d4930eaee20 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD 3.0 6.5 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:P/I:N/A:N

Affected products

  • h2database h2

Classification

Weakness
  • CWE-276 Incorrect Default Permissions
  • CWE-59 Improper Link Resolution Before File Access

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.