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CVE-2011-0157

23
FAUCET Score

CVE-2011-0157 describes a memory corruption vulnerability in WebKit, specifically affecting Apple iOS before version 4.3. This flaw allows remote attackers to execute arbitrary code or trigger a denial of service by enticing a user to visit a specially crafted website. With a CVSS score of 7.5, this vulnerability is considered high severity due to its network-based attack vector, low attack complexity, and potential for partial confidentiality, integrity, and availability impact. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:a:apple:webkit:*:*:*:*:*:*:*:*
<= 4.2CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
1.0.0CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:1.0.0:*:*:*:*:*:*:*
1.0.1CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:1.0.1:*:*:*:*:*:*:*
1.0.2CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:1.0.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.85%
Probability of exploitation in next 30 days
EPSS Percentile
76.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0185 is in the 60th percentile among its peer group of 51,455 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

applevendor investigatingvia nvd_reference
View patch

References

lists.apple.com / archives/security-announce/2011//Mar/msg00003.html
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/66007
support.apple.com / kb/HT4564
Vendor Advisory
securityfocus.com / bid/46807