Vulnerability · Published Mar 26, 2020 · Assigned by Google
CVE-2020-8910Auth Bypass in Google's Closure-Library
Medium 6.5
In plain English
A medium-severity security flaw in Closure-Library from Google. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 45% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.5%top 54.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu:25.10 | qtwebengine-opensource-src | no fix listed | UBUNTU-CVE-2020-8910 |
| Ubuntu:26.10 | qtwebengine-opensource-src | no fix listed | UBUNTU-CVE-2020-8910 |
| npm | google-closure-library | 20200315.0.0 | GHSA-vh5w-fg69-rc8m |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Closure-Library | v20200224 – through v20200224 |
Weakness: CWE-625 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
References
- https://github.com/google/closure-library/commit/294fc00b01d248419d8f8de37580adf2a0024fc9 x_refsource_CONFIRM
- https://github.com/google/closure-library/releases/tag/v20200315 x_refsource_CONFIRM