CVE-2020-8910 json
Auth Bypass in Google's Closure-Library
published 2020-03-26 6 y ago modified 2026-06-17 4 mo ago also GHSA-vh5w-fg69-rc8m , EUVD-2021-1203
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 45%
- public exploits
- 0
- none known
Summary
A URL parsing issue in goog.uri of the Google Closure Library versions up to and including v20200224 allows an attacker to send malicious URLs to be parsed by the library and return the wrong authority. Mitigation: update your library to version v20200315.
Patch / fix
- npm google-closure-library 20200315.0.0
- google closure_library 20200315
Exploit prediction
0.54% chance of exploitation in the next 30 days, higher than 45% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:P/I:N/A:N |
| GitHub | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | google-closure-library | <20200315.0.0 |
20200315.0.0 |
Affected products
- Google Closure-Library
Classification
References
-
github.com
/google/closure-library/commit/294fc00b01d248419d8f8de37580adf2a0024fc9
web, patch, third-party-advisory
-
github.com
/google/closure-library/releases/tag/v20200315
web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2020-8910
advisory
Sources
- CVE List CVE-2020-8910
- GitHub Advisory GHSA-vh5w-fg69-rc8m
- NVD CVE-2020-8910
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