CVE-2021-42392
What it is
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 code execution. This can be exploited through various attack vectors, most notably through the H2 Console which leads to unauthenticated remote code execution.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 83.2% chance of exploitation in the next 30 days (EPSS). Higher than most.
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- ReservedThe CVE id was reserved by its CNA
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 83.2% in the next 30 days (EPSS).
- Severity: 9.8 CRITICAL (CVSS).
- Fix: a patch or advisory is linked.
- It meets the bar for Drop everything: critical, and exploited or very likely to be.
Details
- Published
- Last modified
- Exploit probability
- 83.2% · EPSS, next 30 days
- Weakness
- CWE-502 · Unsafe deserialization
- Record status
- Modified
Affected
- h2database h2 ≤ 2.0.204
- Debian Linux 9.0
- Debian Linux 10.0
- Debian Linux 11.0
- Oracle Communications Cloud Native Core Policy 1.15.0
Attack profile CVSS 3.1 · 9.8
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2021-42392.md and follow it. Check whether this project is affected by CVE-2021-42392. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://github.com/h2database/h2database/security/advisories/GHSA-h376-j262-vhq6
- https://jfrog.com/blog/the-jndi-strikes-back-unauthenticated-rce-in-h2-database-console/
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://github.com/h2database/h2database/security/advisories/GHSA-h376-j262-vhq6
- https://jfrog.com/blog/the-jndi-strikes-back-unauthenticated-rce-in-h2-database-console/
- https://www.oracle.com/security-alerts/cpuapr2022.html
References
- https://github.com/h2database/h2database/security/advisories/GHSA-h376-j262-vhq6
- https://jfrog.com/blog/the-jndi-strikes-back-unauthenticated-rce-in-h2-database-console/
- https://lists.debian.org/debian-lts-announce/2022/02/msg00017.html
- https://security.netapp.com/advisory/ntap-20220119-0001/
- https://www.debian.org/security/2022/dsa-5076
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://www.secpod.com/blog/log4shell-critical-remote-code-execution-vulnerability-in-h2database-console/
- https://github.com/h2database/h2database/security/advisories/GHSA-h376-j262-vhq6
- https://jfrog.com/blog/the-jndi-strikes-back-unauthenticated-rce-in-h2-database-console/
- https://lists.debian.org/debian-lts-announce/2022/02/msg00017.html
- https://security.netapp.com/advisory/ntap-20220119-0001/
- https://www.debian.org/security/2022/dsa-5076
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://www.secpod.com/blog/log4shell-critical-remote-code-execution-vulnerability-in-h2database-console/