What is CVE-2021-1870?

CVE-2021-1870 is a vulnerability in Apple Ios And Ipados. Published 2021-04-02.

Is CVE-2021-1870 known to be exploited?

Yes. CVE-2021-1870 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating it is being actively exploited. 5 public proof-of-concept repositories are indexed.

Vulnerability in Apple Ios And Ipados

CVE-2021-1870

A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, iOS 14.4 and iPadOS 14.4. A remote attacker may be able to cause arbitra…

EPSS: 0.012 (78.9th percentile) — read the EPSS interpretation.

Affected products

Apple Ios And Ipados — versions unspecified
Apple Macos — versions unspecified

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2021-11-03. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2021-11-17.

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

support.apple.com/en-us/HT212147 (x_refsource_MISC)
support.apple.com/en-us/HT212146 (x_refsource_MISC)
FEDORA-2021-864dc37032 (vendor-advisory, x_refsource_FEDORA)
FEDORA-2021-619711d709 (vendor-advisory, x_refsource_FEDORA)
GLSA-202104-03 (vendor-advisory, x_refsource_GENTOO)

Frequently asked questions

What is CVE-2021-1870?: CVE-2021-1870 is a vulnerability in Apple Ios And Ipados. Published 2021-04-02.
Is CVE-2021-1870 known to be exploited?: Yes. CVE-2021-1870 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating it is being actively exploited. 5 public proof-of-concept repositories are indexed.