CVE-2012-0641 — CFNetwork in Apple iOS before 5.1 does not properly construct request headers during parsing of URLs, which allows remote attackers to obtain sensitive information via a malformed URL, a different vulnerability than CVE-2011-3447

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MEDIUM

CFNetwork in Apple iOS before 5.1 does not properly construct request headers during parsing of URLs, which allows remote attackers to obtain sensitive information via a malformed URL, a different vulnerability than CVE-2011-3447

Published Mar 8, 2012

5.0

MEDIUM

CVSS 2.0

EPSS 2.29%

Description

CFNetwork in Apple iOS before 5.1 does not properly construct request headers during parsing of URLs, which allows remote attackers to obtain sensitive information via a malformed URL, a different vulnerability than CVE-2011-3447.

Affected products

Remediation

No remediation recorded yet.

Metrics

2.29% 0.02291

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.02291

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (10 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	2.29% (0.02291)	82.60th	v5 (v2026.06.15)
Jun 15, 2026	2.32% (0.02317)	81.14th	v5 (v2026.06.15)
Mar 17, 2025	0.55% (0.00554)	66.11th	v4 (v2025.03.14)
Dec 12, 2024	0.20% (0.00202)	59.08th	v3 (v2023.03.01)
Jun 14, 2024	0.20% (0.00202)	58.37th	v3 (v2023.03.01)
Mar 7, 2023	0.20% (0.00202)	56.33th	v3 (v2023.03.01)
Mar 6, 2023	1.14% (0.01136)	59.45th	v2 (v2022.01.01)
Oct 18, 2022	1.14% (0.01136)	58.28th	v2 (v2022.01.01)
Apr 1, 2022	1.14% (0.01136)	56.27th	v2 (v2022.01.01)
Feb 4, 2022	1.14% (0.01136)	34.23th	v2 (v2022.01.01)

Weaknesses (1)

CWE-20

Improper Input Validation

References (3)

http://lists.apple.com/archives/security-announce/2012/Mar/msg00001.html
vendor-advisoryx_refsource_APPLEMailing ListVendor Advisory
http://secunia.com/advisories/48288
third-party-advisoryx_refsource_SECUNIAThird Party Advisory
http://www.securitytracker.com/id?1026774
vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry

Link	Providers	Tags
http://lists.apple.com/archives/security-announce/2012/Mar/msg00001.html		vendor-advisoryx_refsource_APPLEMailing ListVendor Advisory
http://secunia.com/advisories/48288		third-party-advisoryx_refsource_SECUNIAThird Party Advisory
http://www.securitytracker.com/id?1026774		vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner apple

Published Mar 8, 2012

Updated Aug 6, 2024

Reserved Jan 12, 2012

Link CVE-2012-0641

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2012-0641

Red Hat

Severity n/a

Public date n/a

Links CVE-2012-0641