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CVE-2021-1765

MEDIUMCVSS 6.5/10EPSS 1.41%

Last modified

CVE-2021-1765 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. This issue was addressed with improved iframe sandbox enforcement. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave. EPSS estimates a 1.41% chance of exploitation in the next 30 days.

Description

This issue was addressed with improved iframe sandbox enforcement. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave. Maliciously crafted web content may violate iframe sandboxing policy.

Metrics

CVSS 3.1
6.5/10

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

EPSS Probability
1.41%

69.2th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
AppleMac Os X>= 10.14, < 10.14.6
AppleMac Os X>= 10.15, < 10.15.7
AppleMac Os X10.14.6
AppleMac Os X10.15.7
AppleMacos>= 11.0, < 11.2
FedoraprojectFedora32
FedoraprojectFedora33
WebkitgtkWebkitgtk< 2.30.6

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-1765?
This issue was addressed with improved iframe sandbox enforcement. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave. Maliciously crafted web content may violate iframe sandboxing policy.
How severe is CVE-2021-1765?
CVE-2021-1765 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.41% probability of exploitation in the next 30 days.
How do I fix CVE-2021-1765?
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-2021-1765?

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

Scan your code now

Source: NVD / NIST