CVE-2021-30862

Name: CVE-2021-30862
Creator: NVD / NIST
Published: 2021-08-24T19:15:14.52+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 1.80%

Last modified Jun 17, 2026

CVE-2021-30862 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. A validation issue was addressed with improved input sanitization. This issue is fixed in iTunes U 3.8.3. EPSS estimates a 1.80% chance of exploitation in the next 30 days.

Description

A validation issue was addressed with improved input sanitization. This issue is fixed in iTunes U 3.8.3. Processing a maliciously crafted URL may lead to arbitrary javascript code execution.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

1.80%

75.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Apple	Itunes U	< 3.8.3

References

Timeline

Published: Aug 24, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-30862?

A validation issue was addressed with improved input sanitization. This issue is fixed in iTunes U 3.8.3. Processing a maliciously crafted URL may lead to arbitrary javascript code execution.

How severe is CVE-2021-30862?

CVE-2021-30862 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 1.80% probability of exploitation in the next 30 days.

How do I fix CVE-2021-30862?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-30862?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST