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CVE-2020-8910

22
FAUCET Score

CVE-2020-8910 is a URL parsing vulnerability in the Google Closure Library, affecting versions up to v20200224. An attacker could exploit this by sending malicious URLs, causing the library to incorrectly parse the authority component. With a CVSS score of 6.5 (Medium), this vulnerability has a low attack complexity and requires user interaction, potentially leading to high confidentiality impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE. Organizations are advised to update to Google Closure Library version v20200315 to mitigate this risk.

Impacted Technologies

VendorProductVersion(s)CPE
< 20200315CPE matchmatch criteria
cpe:2.3:a:google:closure_library:*:*:*:*:*:*:*:*
>= v20200224, <= v20200224CPE match
cpe:2.3:a:google:closure_library:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.52%
Probability of exploitation in next 30 days
EPSS Percentile
41.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0052 is in the 44th percentile among its peer group of 26,219 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: google-closure-libraryFixed in: 20200315.0.0

Vendor Advisories (2)

npmGHSA-vh5w-fg69-rc8mmedium

Improper Input Validation in Google Closure Library

May 7, 2021
microsoft2020-Mar/CVE-2020-8910

Auth Bypass in Google's Closure-Library

Mar 10, 2020

References

github.com / google/closure-library/commit/294fc00b01d248419d8f8de37580adf2a0024fc9
PatchThird Party Advisory
github.com / google/closure-library/releases/tag/v20200315
Third Party Advisory