Is CVE-2021-32616 in the CISA KEV catalog?

No. CVE-2021-32616 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-32616?

CVE-2021-32616 has a CVSS v3 base score of 8.1 (HIGH).

What is the EPSS score for CVE-2021-32616?

CVE-2021-32616 has an EPSS score of 0.72% (49th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-32616?

Upgrade 1cdn to 2021-05-16 or later.

CVE & CISA-KEV Catalog

CVE-2021-32616

HIGH

8.1

CVSS v3

NVD

Description

1CDN is open-source file sharing software. In 1CDN before commit f88a2730fa50fc2c2aeab09011f6f142fd90ec25, there is a basic cross-site scripting vulnerability that allows an attacker to inject /<script>//code</script> and execute JavaScript code on the client side.

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

1cdnNVD

Affected:< 2021-05-16Fixed in:2021-05-16CVE-2021-32616derived from NVD

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

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

0.72%probability of exploitation in 30 days

49thpercentile

Moderate risk: more likely to be exploited than 49% of all known CVEs.

References

Patch2

Related Vulnerabilities

Other CWE-79 (Cross-Site Scripting (XSS)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-11022	Medium	6.9	99%	-	Fix
CVE-2019-3929	Critical	9.8	99%	KEV	Fix
CVE-2020-9496	Medium	6.1	99%	-	-
CVE-2023-28341	Medium	6.1	99%	-	Fix
CVE-2018-12998	Medium	6.1	98%	-	-
CVE-2025-4123	High	7.6	98%	-	Fix

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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.