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CVE-2021-32662

MEDIUM
Published 2021-06-03T22:00:12
Actions:

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CVSS Score

V3.1
6.5
/10
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.005
probability
of exploitation in the wild

There is a 0.5% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.643
Higher than 64.3% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
NONE
Availability
NONE

Description

Backstage is an open platform for building developer portals, and techdocs-common contains common functionalities for Backstage's TechDocs. In `@backstage/techdocs-common` versions prior to 0.6.3, a malicious actor could read sensitive files from the environment where TechDocs documentation is built and published by setting a particular path for `docs_dir` in `mkdocs.yml`. These files would then be available over the TechDocs backend API. This vulnerability is mitigated by the fact that an attacker would need access to modify the `mkdocs.yml` in the documentation source code, and would also need access to the TechDocs backend API. The vulnerability is patched in the `0.6.3` release of `@backstage/techdocs-common`.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

backstage

backstage

Affected Versions:

< 0.6.3

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed MODERATE

Path traversal

GHSA-pgf8-28gg-vpr6

Advisory Details

### Impact A malicious actor could read sensitive files from the environment where TechDocs documentation is built and published by setting a particular path for `docs_dir` in `mkdocs.yml`. These files would then be available over the TechDocs backend API. This vulnerability is mitigated by the fact that an attacker would need access to modify the `mkdocs.yml` in the documentation source code, and would also need access to the TechDocs backend API. ### Patches The vulnerability is patched in the `0.6.3` release of `@backstage/techdocs-common`. ### For more information If you have any questions or comments about this advisory: * Open an issue in the [Backstage repository](https://github.com/backstage/backstage) * Visit our chat, linked to in [Backstage README](https://github.com/backstage/backstage)

Affected Packages

npm @backstage/techdocs-common
ECOSYSTEM: ≥0 <0.6.3

CVSS Scoring

CVSS Score

5.0

CVSS Vector

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

References

WEB https://github.com/backstage/backstage/security/advisories/GHSA-pgf8-28gg-vpr6
ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-32662
WEB https://github.com/backstage/backstage/commit/8cefadca04cbf01d0394b0cb1983247e5f1d6208
WEB https://github.com/backstage/backstage/releases/tag/release-2021-05-27

Advisory provided by GitHub Security Advisory Database. Published: June 4, 2021, Modified: June 7, 2021

References

https://github.com/backstage/backstage/security/advisories/GHSA-pgf8-28gg-vpr6
https://github.com/backstage/backstage/commit/8cefadca04cbf01d0394b0cb1983247e5f1d6208
https://github.com/backstage/backstage/releases/tag/release-2021-05-27
Published: 2021-06-03T22:00:12
Last Modified: 2024-08-03T23:25:31.046Z
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