CVE-2021-41151

Katalog CVE

CVSS 4.9 · Medium EPSS 1,3%

Kerentanan Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') pada linuxfoundation backstage. Skor CVSS 3.1 4.9 (Medium) menurut NVD.

Deskripsi (NVD)

Backstage is an open platform for building developer portals. In affected versions A malicious actor could read sensitive files from the environment where Scaffolder Tasks are run. The attack is executed by crafting a custom Scaffolder template with a `github:publish:pull-request` action and a particular source path. When the template is executed the sensitive files would be included in the published pull request. This vulnerability is mitigated by the fact that an attacker would need access to create and register templates in the Backstage catalog, and that the attack is very visible given that the exfiltration happens via a pull request. The vulnerability is patched in the `0.15.9` release of `@backstage/plugin-scaffolder-backend`.

Rincian

Terbit di NVD

18 Oktober 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

4.9 (Medium), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

EPSS (30 hari)

1,3% peluang dieksploitasi; lebih tinggi dari 70,0% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/backstage/backstage/commit/6968962c920508eae19a4c1c200fa2c8980a4006 patch · advisory pihak ketiga
• https://github.com/backstage/backstage/security/advisories/GHSA-pvv8-8fx9-h673 advisory pihak ketiga