# CVE-2021-35567: Information disclosure in Java SE JDK and JRE > A low-privileged attacker can exploit a Kerberos vulnerability in Java SE libraries to gain unauthorized access to critical data. - **Severity:** Medium 6.8 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N`) - **Exploited in the wild:** Not known - **Login needed:** Any signed-in user - **Attackable:** Over the internet - **Victim action needed:** A user has to click or open something - **Fix available:** Yes - **Published:** 20 Oct 2021 - **Updated:** 25 Sep 2024 - **Also known as:** BIT-java-2021-35567, BIT-java-min-2021-35567, BIT-jre-2021-35567, CLEANSTART-2026-DV70377, CLEANSTART-2026-KC55424, DEBIAN-CVE-2021-35567, GHSA-c9cq-84w8-7r7f, MINI-24wm-g7qp-c8g9, MINI-39jr-hjrm-vf9q, MINI-5prp-55c4-3993, MINI-f7m4-xgfv-2cxc, MINI-pvmp-4h6p-9jv8, MINI-r7xm-7fq5-54vj, MINI-rg96-q8gv-9m36, MINI-w4v7-fh7r-mc34, UBUNTU-CVE-2021-35567 ## What is CVE-2021-35567? CVE-2021-35567 is a medium-severity vulnerability in Debian Debian Linux, published on 20 Oct 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link. ### Official description Vulnerability in the Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Libraries). Supported versions that are affected are Java SE: 8u301, 11.0.12, 17; Oracle GraalVM Enterprise Edition: 20.3.3 and 21.2.0. Easily exploitable vulnerability allows low privileged attacker with network access via Kerberos to compromise Java SE, Oracle GraalVM Enterprise Edition. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Java SE, Oracle GraalVM Enterprise Edition, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Java SE, Oracle GraalVM Enterprise Edition accessible data. Note: This vulnerability applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. This vulnerability can also be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. CVSS 3.1 Base Score 6.8 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N). ## Which versions are affected by CVE-2021-35567? 3 open source packages ship an affected version, including java, java-min and jre. It affects 16 products. | Package | Ecosystem | Affected | Fixed in | | --- | --- | --- | --- | | `java` | Bitnami | All versions | 1.8.0, 8.0.311, 11.0.13, 17.0.1 | | `java-min` | Bitnami | All versions | 1.8.0, 8.0.311, 11.0.13, 17.0.1 | | `jre` | Bitnami | All versions | 1.8.0, 8.0.311, 11.0.13, 17.0.1 | Products: Debian Debian Linux, Fedoraproject Fedora, Netapp Active Iq Unified Manager, Netapp E-Series Santricity Os Controller, Netapp E-Series Santricity Storage Manager, Netapp E-Series Santricity Web Services, Netapp Hci Management Node, Netapp Oncommand Insight, Netapp Oncommand Workflow Automation, Netapp Santricity Unified Manager, Netapp Snapmanager, Netapp Solidfire, Oracle Graalvm, Oracle Jdk, Oracle Jre, Oracle Openjdk. ## How do I fix CVE-2021-35567? Upgrade java to a fixed version for your release line: 1.8.0, 8.0.311, 11.0.13 or 17.0.1. ## Is CVE-2021-35567 being exploited? There is no known exploitation of CVE-2021-35567 in the wild and no public exploit code. ## Other vulnerabilities in Debian Debian Linux - [CVE-2015-3306](https://insights.sbomify.com/CVE-2015-3306/): ProFTPD Improper Access Control (critical 10.0, exploited in the wild) - [CVE-2025-49113](https://insights.sbomify.com/CVE-2025-49113/): RoundCube Webmail Deserialization of Untrusted Data (critical 9.9, exploited in the wild) - [CVE-2026-24061](https://insights.sbomify.com/CVE-2026-24061/): GNU InetUtils Argument Injection (critical 9.8, exploited in the wild) - [CVE-2025-39682](https://insights.sbomify.com/CVE-2025-39682/): Linux Kernel Improper Check for Unusual or Exceptional Conditions (critical 9.8, exploited in the wild) - [CVE-2024-9680](https://insights.sbomify.com/CVE-2024-9680/): Mozilla Firefox Use-After-Free (critical 9.8, exploited in the wild) ## Fix prompt for AI coding agents ```text Check this codebase for CVE-2021-35567 and fix it if it is affected. What it is: CVE-2021-35567 is a medium-severity vulnerability in Debian Debian Linux, published on 20 Oct 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link. Exploitation: There is no known exploitation of CVE-2021-35567 in the wild and no public exploit code. Affected packages and fixed versions: - java (Bitnami): affected all versions; fixed in 1.8.0, 8.0.311, 11.0.13, 17.0.1 - java-min (Bitnami): affected all versions; fixed in 1.8.0, 8.0.311, 11.0.13, 17.0.1 - jre (Bitnami): affected all versions; fixed in 1.8.0, 8.0.311, 11.0.13, 17.0.1 Task: 1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies. 2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it. 3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead. 4. Run the tests and summarise what changed and why. 5. If nothing in the project is affected, say so and change nothing. Reference: https://insights.sbomify.com/CVE-2021-35567/ (Markdown: https://insights.sbomify.com/CVE-2021-35567/index.md) ``` ## Sources - CVE record: https://www.cve.org/CVERecord?id=CVE-2021-35567 - NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-35567 - OSV: https://osv.dev/vulnerability/CVE-2021-35567 --- From sbomify Insights: https://insights.sbomify.com/CVE-2021-35567/ Summaries are generated and may contain mistakes; the official description above is the record.