CVE-2022-47950

OpenStack Swift XML external entities (XXE) Injection

An issue was discovered in OpenStack Swift before 2.28.1, 2.29.x before 2.29.2, and 2.30.0. By supplying crafted XML files, an authenticated user may coerce the S3 API into returning arbitrary file contents from the host server, resulting in unauthorized read access to potentially sensitive data. This impacts both s3api deployments (Rocky or later), and swift3 deployments (Queens and earlier, no longer actively developed).

An XML parser processes external entity references in untrusted input, causing the server to fetch internal resources or remote URLs. Typical impact: local file disclosure, server-side request forgery, or denial of service.

CVE-2022-47950 has a CVSS score of 6.5 (Medium). The vector is network-reachable, low 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 (2.28.1, 2.29.2, 2.30.1); upgrading removes the vulnerable code path.

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1. What is CVE-2022-47950? CVE-2022-47950 is a medium-severity XML external entity injection (XXE) vulnerability in swift (pip), affecting versions < 2.28.1. It is fixed in 2.28.1, 2.29.2, 2.30.1. An XML parser processes external entity references in untrusted input, causing the server to fetch internal resources or remote URLs.
2. How severe is CVE-2022-47950? CVE-2022-47950 has a CVSS score of 6.5 (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.
3. Which versions of swift are affected by CVE-2022-47950? swift (pip) versions < 2.28.1 is affected.
4. Is there a fix for CVE-2022-47950? Yes. CVE-2022-47950 is fixed in 2.28.1, 2.29.2, 2.30.1. Upgrade to this version or later.
5. Is CVE-2022-47950 exploitable, and should I be worried? Whether CVE-2022-47950 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
6. What actually determines whether CVE-2022-47950 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.
7. How do I fix CVE-2022-47950?
   • Upgrade swift to 2.28.1 or later
   • Upgrade swift to 2.29.2 or later
   • Upgrade swift to 2.30.1 or later

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