How severe is CVE-2018-14335?

CVE-2018-14335 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2018-14335 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-14335?

CVE-2018-14335 affects H2database H2. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-14335?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-14335 published?

CVE-2018-14335 was published on 2018-07-24 and last updated on 2026-06-17.

CVE-2018-14335

CVE-2018-14335 is a medium-severity vulnerability in H2database H2 with a CVSS 3.x base score of 6.5. Its EPSS exploit-prediction score of 13% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-59.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 13% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-59
Affected product: H2database H2
Published: 2018-07-24
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2018-14335?: 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.
How severe is CVE-2018-14335?: CVE-2018-14335 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2018-14335 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-14335?: CVE-2018-14335 affects H2database H2. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-14335?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-14335 published?: CVE-2018-14335 was published on 2018-07-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:h2database:h2:1.4.197:*:*:*:*:*:*:*

More vulnerabilities in H2database H2

CVE-2022-23221 — Critical (CVSS 9.8): H2 Console before 2.1.210 allows remote attackers to execute arbitrary code via a jdbc:h2:mem JDBC URL containing the…
CVE-2021-42392 — Critical (CVSS 9.8): The org.h2.util.JdbcUtils.getConnection method of the H2 database takes as parameters the class name of the driver and…
CVE-2018-10054 — High (CVSS 8.8): H2 1.4.197, as used in Datomic before 0.9.5697 and other products, allows remote code execution because CREATE ALIAS…
CVE-2022-45868 — High (CVSS 8.4): The web-based admin console in H2 Database Engine before 2.2.220 can be started via the CLI with the argument…
CVE-2021-23463 — High (CVSS 8.1): The package com.h2database:h2 from 1.4.198 and before 2.0.202 are vulnerable to XML External Entity (XXE) Injection via…

All CVEs affecting H2database H2 →

Other CWE-59 (Improper Link Resolution Before File Access (Link Following)) vulnerabilities

CVE-2024-37143 — Critical (CVSS 10.0): Dell PowerFlex appliance versions prior to IC 46.381.00 and IC 46.376.00, Dell PowerFlex rack versions prior to RCM…
CVE-2024-28189 — Critical (CVSS 10.0): Judge0 is an open-source online code execution system. The application uses the UNIX chown command on an untrusted file…
CVE-2024-28185 — Critical (CVSS 10.0): Judge0 is an open-source online code execution system. The application does not account for symlinks placed inside the…
CVE-2022-22995 — Critical (CVSS 10.0): The combination of primitives offered by SMB and AFP in their default configuration allows the arbitrary writing of…
CVE-2014-4480 — Critical (CVSS 10.0): Directory traversal vulnerability in afc in AppleFileConduit in Apple iOS before 8.1.3 and Apple TV before 7.0.3 allows…
CVE-2002-2374 — Critical (CVSS 10.0): Unspecified vulnerability in pprosetup in Sun PatchPro 2.0 has unknown impact and attack vectors related to "unsafe use…

Browse all CWE-59 (Improper Link Resolution Before File Access (Link Following)) vulnerabilities →