Deserialization in H2database H2
CVE-2021-42392
The org.h2.util.JdbcUtils.getConnection method of the H2 database takes as parameters the class name of the driver and URL of the database. An attacker may pass a JNDI driver name and a URL leading to a LDAP or RMI servers, causing remote…
Vulnerability class: Insecure Deserialization
EPSS: 0.632 (99.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- H2database H2 — versions 1.1.000
- Oracle Communications_cloud_native_core_policy — versions 1.15.0
- Debian Debian_linux — versions 9.0, 10.0, 11.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- reefs@jfrog.com (Third Party Advisory, Mitigation)
- reefs@jfrog.com (mailing-list, Mailing List, Third Party Advisory)
- reefs@jfrog.com (vendor-advisory, Third Party Advisory)
- reefs@jfrog.com (Patch, Third Party Advisory)
- reefs@jfrog.com (Technical Description, Exploit, Vendor Advisory)
- reefs@jfrog.com (Third Party Advisory)
- reefs@jfrog.com
Frequently asked questions
- What is CVE-2021-42392?
- CVE-2021-42392 is a critical-severity vulnerability in H2database H2, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2022-01-10.
- How severe is CVE-2021-42392?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2021-42392 known to be exploited?
- 40 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.