HOMEVULNERABILITIESCVE-2017-2363
MEDIUMPOC

CVE-2017-2363

CWE-200Published: February 20, 2017· Updated: Jun 17, 2026

6.5
CVSS v3.1

Official Description

An issue was discovered in certain Apple products. iOS before 10.2.1 is affected. Safari before 10.0.3 is affected. tvOS before 10.1.1 is affected. watchOS before 3.1.3 is affected. The issue involves the "WebKit" component. It allows remote attackers to bypass the Same Origin Policy and obtain sensitive information via a crafted web site.

NVD Source

Technical Analysis

CVE-2017-2363 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 6.5.

A proof-of-concept (PoC) exploit exists for CVE-2017-2363. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

From a weakness classification perspective (CWE-200): Information exposure vulnerabilities leak sensitive data to unauthorized actors.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Affected Vendors & Products

Apple4 product(s)
iphone ossafaritvoswatchos
webkitgtk1 product(s)
webkitgtk\+
Source: NVD CPE · 5 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (16)

http://www.securityfocus.com/bid/95728Third Party Advisory · VDB Entry
http://www.securitytracker.com/id/1037668Third Party Advisory · VDB Entry
https://www.exploit-db.com/exploits/41449/Exploit · Third Party Advisory · VDB Entry
http://www.securityfocus.com/bid/95728Third Party Advisory · VDB Entry
http://www.securitytracker.com/id/1037668Third Party Advisory · VDB Entry

Quick Facts

CVE IDCVE-2017-2363
CVSS Score6.5 / 10
SeverityMEDIUM
WeaknessCWE-200
CISA KEVNo
ExploitPOC
Affected2 vendor(s)
PublishedFeb 20, 2017

Related CVEs (CWE-200)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2017-2363 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.