Rewterz Threat Advisory – Apache Nutch information disclosure

Severity

High

Analysis Summary

CVE-2021-23901

Apache Nutch could allow a remote attacker to obtain sensitive information, caused by improper handling of XML external entity (XXE) declarations by the DmozParser. By using a specially-crafted XML content, a remote attacker could exploit this vulnerability to read arbitrary files on the server.

Impact

Information Disclosure

Affected Vendors

Apache

Affected Products

Apache Nutch 1.17

Remediation

Upgrade to the latest version of Nutch (1.18 or later).

Apache Web site

Reading this advisory was a good start.

Make it a habit.

Rewterz publishes threat advisories ahead of mainstream cybersecurity media, informed by an AI-Native Autonomous SOC that sees regional threat actor activity in real time. Subscribe to receive each new advisory as it publishes, plus a monthly Middle East threat landscape brief drawn from our own SOC telemetry. For teams evaluating their detection coverage, a 30-minute consultation with a senior analyst is also available, at your pace, when you're ready.

Request a demo