CVE-2021-47621: XEE

Reference Links

• https://nvd.nist.gov/vuln/detail/CVE-2021-47621
• https://github.com/classgraph/classgraph/pull/539
• https://github.com/classgraph/classgraph/commit/681362ad6b0b9d9abaffb2e07099ce54d7a41fa3
• https://docs.r3.com/en/platform/corda/4.8/enterprise/release-notes-enterprise.html
• https://github.com/classgraph/classgraph/releases/tag/classgraph-4.8.112
• https://github.com/advisories/GHSA-v2xm-76pq-phcf (Advisory)
• https://www.ibm.com/support/pages/node/7168387 (Advisory)

Parent vulnerabilities

(Appears in the following advisories)

• IBM-7168387

Frequently Asked Questions

• What is the severity of CVE-2021-47621?

  CVE-2021-47621 is classified as a high-severity vulnerability due to its potential to allow unauthorized access to sensitive information.

• How do I fix CVE-2021-47621?

  To fix CVE-2021-47621, upgrade ClassGraph to version 4.8.112 or higher.

• What types of attacks can exploit CVE-2021-47621?

  CVE-2021-47621 is vulnerable to XML eXternal Entity (XXE) attacks that can lead to information disclosure.

• Which software versions are affected by CVE-2021-47621?

  CVE-2021-47621 affects ClassGraph versions prior to 4.8.112 and IBM Planning Analytics versions up to 2.1.

• Can CVE-2021-47621 affect my application security?

  Yes, CVE-2021-47621 can compromise application security by allowing attackers to access sensitive data through crafted XML files.