CVE-2021-21298
3.5 · LOWOverview
CVE-2021-21298 is a low-severity vulnerability affecting nodered node-red. It was published on February 26, 2021 and has a CVSS 3.1 base score of 3.5 (LOW).
This vulnerability has a CVSS 3.1 base score of 3.5, rated LOW. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
Node-Red is a low-code programming for event-driven applications built using nodejs. Node-RED 1.2.7 and earlier has a vulnerability which allows arbitrary path traversal via the Projects API. If the Projects feature is enabled, a user with `projects.read` permission is able to access any file via the Projects API. The issue has been patched in Node-RED 1.2.8. The vulnerability applies only to the Projects feature which is not enabled by default in Node-RED. The primary workaround is not give untrusted users read access to the Node-RED editor.
Remediation
Check the references section for vendor advisories and patches from nodered. Update node-red to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| nodered | node-red | >= 0, < 1.2.8 | Affected |
References
Frequently Asked Questions
What is CVE-2021-21298?
CVE-2021-21298 is a low-severity vulnerability affecting nodered node-red. It was published on February 26, 2021 and has a CVSS 3.1 base score of 3.5 (LOW).
How severe is CVE-2021-21298?
This vulnerability has a CVSS 3.1 base score of 3.5, rated LOW. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-21298?
Check the references section for vendor advisories and patches from nodered. Update node-red to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-21298?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-21298 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
AI-driven PR review catches vulnerable dependencies before they ship.
Browser-based exploitation validates findings with real proof-of-concept.
Related LOW CVEs from 2021
View all →ide_atapi_cmd_reply_end in hw/ide/atapi.c in QEMU 5.1.0 allows out-of-bounds read access because a b
The ownCloud application before 2.15 for Android allows attackers to use adb to include a PIN prefer
fr-archive-libarchive.c in GNOME file-roller through 3.38.0, as used by GNOME Shell and other softwa
Vulnerability in the Hyperion Financial Management product of Oracle Hyperion (component: Task Autom
Improper Check for Unusual or Exceptional Conditions vulnerability exists in Triconex Model 3009 MP
Improper Check for Unusual or Exceptional Conditions vulnerability exists in Triconex TCM 4351B inst
Improper Check for Unusual or Exceptional Conditions vulnerability exists in Triconex Model 3009 MP
Improper Check for Unusual or Exceptional Conditions vulnerability exists in Triconex Model 3009 MP
Improper Check for Unusual or Exceptional Conditions vulnerability exists in Triconex Model 3009 MP
Improper Check for Unusual or Exceptional Conditions vulnerability exists in Triconex Model 3009 MP
Nextcloud Android app is the Android client for Nextcloud. In versions prior to 3.16.1, a malicious
Trusty TLK contains a vulnerability in its access permission settings where it does not properly res