CVE-2020-8910

Q: How do I fix CVE-2020-8910?

Upgrade closure library to 20200315 or later.

Q: Is CVE-2020-8910 being actively exploited?

Not that we know of. CVE-2020-8910 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.52% is the estimated probability that it will be exploited in the next 30 days. That is higher than 42% of all scored CVEs.

Q: How severe is CVE-2020-8910?

CVE-2020-8910 has a CVSS v3 base score of 6.5, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2020-8910 affect?

Published advisories record a fix for closure library (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

MEDIUM

6.5

CVSS v3

NVD

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.

CWE-625

How to fix

Remediation Available

closure libraryNVD

Affected:< 20200315Fixed in:20200315CVE-2020-8910derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.52%probability of exploitation in 30 days

42ndpercentile

Moderate risk: more likely to be exploited than 42% of all known CVEs.

References

Patch1

github.com

Third-Party Advisory1

github.com

Related Vulnerabilities

Other CWE-625 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2018-8926	High	8.8	1.7%	-	Fix
CVE-2023-6544	Medium	5.4	1.1%	-	Fix
CVE-2026-23651	Critical	6.7	0.6%	-	-
CVE-2026-32973	Critical	9.8	0.4%	-	Fix
CVE-2026-40110	High	7.3	0.3%	-	Fix
CVE-2026-34763	Medium	5.3	0.2%	-	Fix

Common questions

How do I fix CVE-2020-8910?

Upgrade closure library to 20200315 or later.

Is CVE-2020-8910 being actively exploited?

Not that we know of. CVE-2020-8910 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.52% is the estimated probability that it will be exploited in the next 30 days. That is higher than 42% of all scored CVEs.

How severe is CVE-2020-8910?

CVE-2020-8910 has a CVSS v3 base score of 6.5, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2020-8910 affect?

Published advisories record a fix for closure library (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.