CVE-2021-21412

Name: CVE-2021-21412
Creator: NVD / NIST
Published: 2021-03-30T18:15:15.84+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.34%

Last modified Jun 17, 2026

CVE-2021-21412 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Potential for arbitrary code execution in npm package @thi.ng/egf `#gpg`-tagged property values (only if `decrypt: true` option is enabled). PR with patch has been submitted and will has been released as of v0.4.0 By default the EGF parse functions do NOT attempt to decrypt values (since GPG only available in non-browser env). EPSS estimates a 1.34% chance of exploitation in the next 30 days.

Description

Potential for arbitrary code execution in npm package @thi.ng/egf `#gpg`-tagged property values (only if `decrypt: true` option is enabled). PR with patch has been submitted and will has been released as of v0.4.0 By default the EGF parse functions do NOT attempt to decrypt values (since GPG only available in non-browser env). However, if GPG encrypted values are used/required: 1. Perform a regex search for `#gpg`-tagged values in the EGF source file/string and check for backtick (\`) chars in the encrypted value string 2. Replace/remove them or skip parsing if present.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.34%

67.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-78

Affected Software

Vendor	Product	Versions
\@Thi.Ng\/Egf Project	\@Thi.Ng\/Egf	< 0.4.0

References

https://github.com/thi-ng/umbrella/blob/develop/packages/egf/CHANGELOG.md#040-2021-03-27Release Notes, Third Party Advisory
https://github.com/thi-ng/umbrella/commit/88f61656e5f5cfba960013b8133186389efaf243Patch, Third Party Advisory
https://github.com/thi-ng/umbrella/security/advisories/GHSA-rj44-gpjc-29r7Patch, Third Party Advisory
https://www.npmjs.com/package/%40thi.ng/egf
https://github.com/thi-ng/umbrella/blob/develop/packages/egf/CHANGELOG.md#040-2021-03-27Release Notes, Third Party Advisory
https://github.com/thi-ng/umbrella/commit/88f61656e5f5cfba960013b8133186389efaf243Patch, Third Party Advisory
https://github.com/thi-ng/umbrella/security/advisories/GHSA-rj44-gpjc-29r7Patch, Third Party Advisory
https://www.npmjs.com/package/%40thi.ng/egf

Timeline

Published: Mar 30, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-21412?

How severe is CVE-2021-21412?

CVE-2021-21412 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.34% probability of exploitation in the next 30 days.

How do I fix CVE-2021-21412?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-21412?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST