CVE-2017-2521

high-risk
Published 2017-05-22

An issue was discovered in certain Apple products. iOS before 10.3.2 is affected. Safari before 10.1.1 is affected. tvOS before 10.2.1 is affected. watchOS before 3.2.2 is affected. The issue involves the "WebKit" component. It allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site.

Do I need to act?

~
5.7% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
!
1 public exploit available
42103
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
NETWORK / LOW complexity

Affected Products (4)

Affected Vendors

Apple

References (16)

Third Party Advisory http://www.securityfocus.com/bid/98456
Third Party Advisory http://www.securitytracker.com/id/1038487
Third Party Advisory https://security.gentoo.org/glsa/201706-15
Vendor Advisory https://support.apple.com/HT207798
Vendor Advisory https://support.apple.com/HT207800
Vendor Advisory https://support.apple.com/HT207801
Vendor Advisory https://support.apple.com/HT207804
Exploit https://www.exploit-db.com/exploits/42103/
Third Party Advisory http://www.securityfocus.com/bid/98456
Third Party Advisory http://www.securitytracker.com/id/1038487
Third Party Advisory https://security.gentoo.org/glsa/201706-15
Vendor Advisory https://support.apple.com/HT207798
Vendor Advisory https://support.apple.com/HT207800
Vendor Advisory https://support.apple.com/HT207801
Vendor Advisory https://support.apple.com/HT207804
Exploit https://www.exploit-db.com/exploits/42103/
56
/ 100
high-risk
Severity 30/34 · Critical
Exploitability 16/34 · Moderate
Exposure 10/34 · Low