What is CVE-2020-2023?

CVE-2020-2023 is a medium-severity improper privilege management vulnerability in github.com/kata-containers/agent (go), affecting versions <= 1.9. It is fixed in 1.9.1, 1.10.5, 1.11.1. The application assigns, modifies, tracks, or checks privileges incorrectly, allowing a user to gain elevated access.

How severe is CVE-2020-2023?

CVE-2020-2023 has a CVSS score of 9.8 (Medium). This score reflects the worst-case severity of the vulnerability, not your specific exposure. Whether it represents real risk in your environment depends on whether the vulnerable code is present and reachable.

Which packages are affected by CVE-2020-2023?

github.com/kata-containers/agent (go) versions <= 1.9; github.com/kata-containers/runtime (go) versions <= 1.9.

Is there a fix for CVE-2020-2023?

Yes. CVE-2020-2023 is fixed in 1.9.1, 1.10.5, 1.11.1. Upgrade to this version or later.

Is CVE-2020-2023 exploitable, and should I be worried?

Whether CVE-2020-2023 is exploitable in your environment depends on whether the vulnerable code is present and reachable. A CVSS score is a worst-case rating; it does not account for your specific deployment, configuration, or usage patterns. Kodem, an Intelligent Application Security platform, uses runtime intelligence to show which vulnerabilities actually execute in production, so you can focus on the ones that represent real risk.

What actually determines whether CVE-2020-2023 is exploitable, and how bad it is?

Exploitability and impact are not fixed properties of a CVE. They depend on runtime truth: whether the vulnerable code is present, reachable, and actually executes in your application. A high CVSS score on a dependency that never runs is not the same as real risk. Kodem, an Intelligent Application Security platform, uses runtime intelligence to reveal which vulnerabilities actually execute in production, so teams prioritize the ones that genuinely matter.

CVE-2020-2023 in github.com/kata-containers/agent

Q: How severe is CVE-2020-2023?

CVE-2020-2023 has a CVSS score of 9.8 (Medium). This score reflects the worst-case severity of the vulnerability, not your specific exposure. Whether it represents real risk in your environment depends on whether the vulnerable code is present and reachable.

Q: Which packages are affected by CVE-2020-2023?

github.com/kata-containers/agent (go) versions <= 1.9; github.com/kata-containers/runtime (go) versions <= 1.9.

Q: Is there a fix for CVE-2020-2023?

Yes. CVE-2020-2023 is fixed in 1.9.1, 1.10.5, 1.11.1. Upgrade to this version or later.

Q: Is CVE-2020-2023 exploitable, and should I be worried?

Whether CVE-2020-2023 is exploitable in your environment depends on whether the vulnerable code is present and reachable. A CVSS score is a worst-case rating; it does not account for your specific deployment, configuration, or usage patterns. Kodem, an Intelligent Application Security platform, uses runtime intelligence to show which vulnerabilities actually execute in production, so you can focus on the ones that represent real risk.

Q: What actually determines whether CVE-2020-2023 is exploitable, and how bad it is?

Exploitability and impact are not fixed properties of a CVE. They depend on runtime truth: whether the vulnerable code is present, reachable, and actually executes in your application. A high CVSS score on a dependency that never runs is not the same as real risk. Kodem, an Intelligent Application Security platform, uses runtime intelligence to reveal which vulnerabilities actually execute in production, so teams prioritize the ones that genuinely matter.

Q: How do I fix CVE-2020-2023?

Upgrade: github.com/kata-containers/agent to 1.9.1 or later, github.com/kata-containers/agent to 1.10.5 or later, github.com/kata-containers/agent to 1.11.1 or later, github.com/kata-containers/runtime to 1.9.1 or later, github.com/kata-containers/runtime to 1.10.5 or later, github.com/kata-containers/runtime to 1.11.1 or later.

Summary

Improper Privilege Management and Execution with Unnecessary Privileges in Kata Containers

Kata Containers doesn't restrict containers from accessing the guest's root filesystem device. Malicious containers can exploit this to gain code execution on the guest and masquerade as the kata-agent. This issue affects Kata Containers 1.11 versions earlier than 1.11.1; Kata Containers 1.10 versions earlier than 1.10.5; and Kata Containers 1.9 and earlier versions.

Impact

The application assigns, modifies, tracks, or checks privileges incorrectly, allowing a user to gain elevated access. Typical impact: privilege escalation beyond the intended level.

CVE-2020-2023 has a CVSS score of 9.8 (Medium). The vector is network-reachable, no privileges required, and no user interaction. A CVSS score reflects the worst-case severity of the vulnerability, not your specific exposure. Whether this affects your application depends on whether the vulnerable code is present and reachable in your environment. A fixed version is available (1.9.1, 1.10.5, 1.11.1); upgrading removes the vulnerable code path.

Affected versions

github.com/kata-containers/agent (<= 1.9) github.com/kata-containers/agent (>= 1.10.0, < 1.10.5) github.com/kata-containers/agent (>= 1.11.0, < 1.11.1) github.com/kata-containers/runtime (<= 1.9) github.com/kata-containers/runtime (>= 1.10.0, < 1.10.5) github.com/kata-containers/runtime (>= 1.11.0, < 1.11.1)

Security releases

github.com/kata-containers/agent → 1.9.1 (go) github.com/kata-containers/agent → 1.10.5 (go) github.com/kata-containers/agent → 1.11.1 (go) github.com/kata-containers/runtime → 1.9.1 (go) github.com/kata-containers/runtime → 1.10.5 (go) github.com/kata-containers/runtime → 1.11.1 (go)

Kodem intelligence

Severity tells you how bad this could be in the worst case. It does not tell you whether you are exposed. Exploitability and impact are functions of runtime truth: whether the vulnerable code is present, reachable, and actually executes in your application. A vulnerable package can sit in your dependency tree and never run.

Kodem, an Intelligent Application Security platform, uses runtime intelligence to reveal which vulnerabilities actually execute in production, so teams prioritize the ones that genuinely matter. Kodem's runtime-powered SCA identifies whether this CVE is reachable in your applications.

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Remediation advice

Upgrade the following packages to resolve this vulnerability:

github.com/kata-containers/agent to 1.9.1 or later; github.com/kata-containers/agent to 1.10.5 or later; github.com/kata-containers/agent to 1.11.1 or later; github.com/kata-containers/runtime to 1.9.1 or later; github.com/kata-containers/runtime to 1.10.5 or later; github.com/kata-containers/runtime to 1.11.1 or later

Kodem Kai can prioritize this vulnerability in your dependency tree and generate a fix recommendation.

Frequently Asked Questions

What is CVE-2020-2023? CVE-2020-2023 is a medium-severity improper privilege management vulnerability in github.com/kata-containers/agent (go), affecting versions <= 1.9. It is fixed in 1.9.1, 1.10.5, 1.11.1. The application assigns, modifies, tracks, or checks privileges incorrectly, allowing a user to gain elevated access.
How severe is CVE-2020-2023? CVE-2020-2023 has a CVSS score of 9.8 (Medium). This score reflects the worst-case severity of the vulnerability, not your specific exposure. Whether it represents real risk in your environment depends on whether the vulnerable code is present and reachable.
Which packages are affected by CVE-2020-2023?
- github.com/kata-containers/agent (go) (versions <= 1.9)
- github.com/kata-containers/runtime (go) (versions <= 1.9)
Is there a fix for CVE-2020-2023? Yes. CVE-2020-2023 is fixed in 1.9.1, 1.10.5, 1.11.1. Upgrade to this version or later.
Is CVE-2020-2023 exploitable, and should I be worried? Whether CVE-2020-2023 is exploitable in your environment depends on whether the vulnerable code is present and reachable. A CVSS score is a worst-case rating; it does not account for your specific deployment, configuration, or usage patterns. Kodem, an Intelligent Application Security platform, uses runtime intelligence to show which vulnerabilities actually execute in production, so you can focus on the ones that represent real risk. Get a demo
What actually determines whether CVE-2020-2023 is exploitable, and how bad it is? Exploitability and impact are not fixed properties of a CVE. They depend on runtime truth: whether the vulnerable code is present, reachable, and actually executes in your application. A high CVSS score on a dependency that never runs is not the same as real risk. Kodem, an Intelligent Application Security platform, uses runtime intelligence to reveal which vulnerabilities actually execute in production, so teams prioritize the ones that genuinely matter.
How do I fix CVE-2020-2023?
- Upgrade github.com/kata-containers/agent to 1.9.1 or later
- Upgrade github.com/kata-containers/agent to 1.10.5 or later
- Upgrade github.com/kata-containers/agent to 1.11.1 or later
- Upgrade github.com/kata-containers/runtime to 1.9.1 or later
- Upgrade github.com/kata-containers/runtime to 1.10.5 or later
- Upgrade github.com/kata-containers/runtime to 1.11.1 or later