How severe is CVE-2020-8910?

CVE-2020-8910 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2020-8910 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-8910?

CVE-2020-8910 affects Google Closure Library. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-8910?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-8910 published?

CVE-2020-8910 was published on 2020-03-26 and last updated on 2026-06-17.

CVE-2020-8910

CVE-2020-8910 is a medium-severity vulnerability in Google Closure Library with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-625.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-625
Affected product: Google Closure Library
Published: 2020-03-26
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2020-8910?: 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.
How severe is CVE-2020-8910?: CVE-2020-8910 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2020-8910 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-8910?: CVE-2020-8910 affects Google Closure Library. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-8910?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-8910 published?: CVE-2020-8910 was published on 2020-03-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:google:closure_library:*:*:*:*:*:*:*:*

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