What is the CVSS score of CVE-2015-1157?

CVE-2015-1157 has a CVSS 2.0 base score of 7.8 (High). CVSS vector: AV:N/AC:L/Au:N/C:N/I:N/A:C. EPSS exploitation probability: 8.3%.

Is there a public PoC exploit available for CVE-2015-1157?

Yes, a public proof-of-concept exploit is available for CVE-2015-1157. Prioritise patching immediately. EPSS: 8.3%.

Is there a patch available for CVE-2015-1157?

Yes, a patch is available for CVE-2015-1157. Update the affected software to the latest version immediately.

Iphone Os CVE-2015-1157

HIGH

DEPRECATED: Code (CWE-17)

2015-05-28 product-security@apple.com

Denial Of Service Apple Iphone Os Itunes Mac Os X

7.8

CVSS 2.0 · NVD

View

Vulnerability Assessment

Weakness	CWE CWE-17
Impact	CVSS score of 7.8 (HIGH). Attack characteristics: network attack vector, low complexity. Public proof-of-concept exploit code is available. EPSS exploitation probability: 8.33%.
Exploit ScenarioDerived	This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the high-severity affected system.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

Patch available 8.3% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAI

CoreText in Apple iOS 8.x through 8.3 allows remote attackers to cause a denial of service (reboot and messaging disruption) via crafted Unicode text that is not properly handled during display. Rated high severity (CVSS 7.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified under CWE-17. CoreText in Apple iOS 8.x through 8.3 allows remote attackers to cause a denial of service (reboot and messaging disruption) via crafted Unicode text that is not properly handled during display truncation in the Notifications feature, as demonstrated by Arabic characters in (1) an SMS message or (2) a WhatsApp message. Affected products include: Apple Iphone Os, Apple Mac Os X, Apple Itunes. Version information: through 8.3.

Know when Iphone Os gets its next vulnerability

Watch products and get an email when something new is published
Check this CVE against your own stack and servers
Exploit and PoC references, threat intelligence from 22 sources

Continue with Google Continue with GitHub

No credit card · 7-day full trial

Severity by source

NVD PRIMARY 7.8 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Confidentiality

None

Integrity

None

Availability

DescriptionCVE.org

CoreText in Apple iOS 8.x through 8.3 allows remote attackers to cause a denial of service (reboot and messaging disruption) via crafted Unicode text that is not properly handled during display truncation in the Notifications feature, as demonstrated by Arabic characters in (1) an SMS message or (2) a WhatsApp message.

Threat Intelligence Overview

EPSS Score

8.3%

Top 8% exploitable

Exploit

POC

Public exploit code exists

Data Quality

3 sources

Confidence: Low

NVD

CVE.org

EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity HIGH

CISA KEV No

Public POC Yes

EPSS 8.3%

Patch available Yes

Active threat No

Deciding rule

HIGH severity (CVSS 7.0-8.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

Poc

System Exposure· derived

Open

Automatable· derived

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +8

CVSS: +39

PoC: +20

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Denial of Service MEDIUM

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

Affected Products (CPE)CVE.org

cpe:2.3:o:apple:iphone_os:8.0:*:*:*:*:*:*:*

cpe:2.3:o:apple:iphone_os:8.0.1:*:*:*:*:*:*:*

cpe:2.3:o:apple:iphone_os:8.0.2:*:*:*:*:*:*:*

cpe:2.3:o:apple:iphone_os:8.1:*:*:*:*:*:*:*

cpe:2.3:o:apple:iphone_os:8.1.2:*:*:*:*:*:*:*

cpe:2.3:o:apple:iphone_os:8.1.3:*:*:*:*:*:*:*

cpe:2.3:o:apple:iphone_os:8.2:*:*:*:*:*:*:*

cpe:2.3:o:apple:iphone_os:8.3:*:*:*:*:*:*:*

cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*

cpe:2.3:a:apple:itunes:*:*:*:*:*:*:*:*

More in Iphone Os

View all

CVE-2022-2294 HIGH Act Now

8.8 Jul 28

Heap buffer overflow in WebRTC in Google Chrome prior to 103.0.5060.114 allowed a remote attacker to potentially exploit

CVE-2017-13861 HIGH Act Now POC

7.8 Dec 25

An issue was discovered in certain Apple products. Rated high severity (CVSS 7.8), this vulnerability is no authenticati

CVE-2015-4000 LOW Monitor POC

3.7 May 21

The TLS protocol 1.2 and earlier, when a DHE_EXPORT ciphersuite is enabled on a server but not on a client, does not pro

CVE-2017-2547 HIGH Act Now POC

8.8 May 22

An issue was discovered in certain Apple products. Rated high severity (CVSS 8.8), this vulnerability is remotely exploi

CVE-2016-0801 CRITICAL Emergency POC

9.8 Feb 07

The Broadcom Wi-Fi driver in the kernel in Android 4.x before 4.4.4, 5.x before 5.1.1 LMY49G, and 6.x before 2016-02-01

CVE-2025-31277 HIGH Act Now POC

8.8 Jul 30

WebKit memory corruption in Safari 18.6 and multiple Apple platforms allows remote code execution when processing malici

CVE-2023-43000 HIGH Act Now POC

8.8 Nov 05

A use-after-free issue was addressed with improved memory management. Rated high severity (CVSS 8.8), this vulnerability

CVE-2016-1757 HIGH Act Now POC

7.0 Mar 24

Race condition in the kernel in Apple iOS before 9.3 and OS X before 10.11.4 allows attackers to execute arbitrary code

CVE-2016-4622 HIGH Act Now

8.8 Jul 22

WebKit in Apple iOS before 9.3.3, Safari before 9.1.2, and tvOS before 9.2.2 allows remote attackers to execute arbitrar

CVE-2016-4669 HIGH Act Now POC

7.8 Feb 20

An issue was discovered in certain Apple products. Rated high severity (CVSS 7.8), this vulnerability is low attack comp

CVE-2015-1155 MEDIUM This Month POC

4.3 May 08

The history implementation in WebKit, as used in Apple Safari before 6.2.6, 7.x before 7.1.6, and 8.x before 8.0.6, allo

CVE-2023-41974 HIGH Act Now POC

7.8 Jan 10

A use-after-free issue was addressed with improved memory management. Rated high severity (CVSS 7.8), this vulnerability

Same weakness CWE-17 – DEPRECATED: Code

View all

CVE-2015-0240 CRITICAL POC

10.0

CVE-2014-9222 CRITICAL POC

10.0

CVE-2014-9707 HIGH POC

7.5

CVE-2015-3292 CRITICAL POC

10.0

CVE-2015-2682 MEDIUM POC

5.0

CVE-2015-4335 CRITICAL POC

10.0

CVE-2015-1728 CRITICAL

9.3

CVE-2014-9296 MEDIUM POC

5.0

Same technique Denial Of Service

View all

CVE-2015-5119 CRITICAL POC

9.8

CVE-2011-2462 CRITICAL POC

9.8

CVE-2011-0611 HIGH POC

8.8

CVE-2012-1889 HIGH POC

8.8

CVE-2012-0507 CRITICAL POC

9.8

CVE-2014-1761 HIGH POC

7.8

CVE-2015-5122 CRITICAL POC

9.8

CVE-2011-0609 HIGH POC

7.8

References

Advisories & patches

PATCH http://lists.apple.com/archives/security-announce/2015/Jun/msg00002.html PATCH http://lists.apple.com/archives/security-announce/2015/Sep/msg00003.html ADVISORY http://lists.apple.com/archives/security-announce/2015/Jun/msg00001.html ADVISORY http://support.apple.com/kb/HT204941 ADVISORY http://support.apple.com/kb/HT204942 ADVISORY https://support.apple.com/HT205221 REF http://9to5mac.com/2015/05/27/how-to-fix-ios-text-message-bug-crash-reboot/ REF http://www.ibtimes.co.uk/apple-ios-bug-sees-message-app-crash-iphone-reboot-simply-by-receiving-message-1503083 REF http://www.reddit.com/r/apple/comments/37enow/about_the_latest_iphone_security_vulnerability/ REF http://www.securityfocus.com/bid/75491 REF http://www.securitytracker.com/id/1032408 REF https://ghostbin.com/paste/zws9m

Search Externally

GitHub PoC

Exploit-DB PacketStorm Snyk Rapid7 Nuclei Templates Trickest PoC

Back