CVE-2021-1740

Published on: 09/08/2021 12:00:00 AM UTC

Last Modified on: 09/15/2021 03:20:00 PM UTC

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Certain versions of Ipados from Apple contain the following vulnerability:

A parsing issue in the handling of directory paths was addressed with improved path validation. This issue is fixed in Security Update 2021-002 Catalina, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. A local user may be able to modify protected parts of the file system.

  • CVE-2021-1740 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as MEDIUM severity.
  • Affected Vendor/Software: URL Logo Apple - iOS and iPadOS version < 14.5
  • Affected Vendor/Software: URL Logo Apple - tvOS version < 14.5
  • Affected Vendor/Software: URL Logo Apple - watchOS version < 7.4
  • Affected Vendor/Software: URL Logo Apple - macOS version < 11.3
  • Affected Vendor/Software: URL Logo Apple - macOS version < 2021

CVSS3 Score: 5.5 - MEDIUM

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
LOCAL LOW LOW NONE
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED NONE HIGH NONE

CVSS2 Score: 2.1 - LOW

Access
Vector
Access
Complexity
Authentication
LOCAL LOW NONE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
NONE PARTIAL NONE

CVE References

Description Tags Link
About the security content of macOS Big Sur 11.3 - Apple Support support.apple.com
text/html
URL Logo MISC support.apple.com/en-us/HT212325
About the security content of watchOS 7.4 - Apple Support support.apple.com
text/html
URL Logo MISC support.apple.com/en-us/HT212324
About the security content of tvOS 14.5 - Apple Support support.apple.com
text/html
URL Logo MISC support.apple.com/en-us/HT212323
About the security content of Security Update 2021-002 Catalina - Apple Support support.apple.com
text/html
URL Logo MISC support.apple.com/en-us/HT212326
About the security content of iOS 14.5 and iPadOS 14.5 - Apple Support support.apple.com
text/html
URL Logo MISC support.apple.com/en-us/HT212317

Related QID Numbers

  • 375503 Apple MacOS Big Sur 11.3 Not Installed (HT212325)
  • 375507 Apple macOS Security Update 2021-002 Catalina (HT212326)
  • 610334 Apple iOS 14.5 and iPadOS 14.5 Security Update Missing (HT212317)

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
Operating
System
AppleIpadosAllAllAllAll
Operating
System
AppleIphone OsAllAllAllAll
Operating
System
AppleMacosAllAllAllAll
Operating
System
AppleMac Os X10.15.6-AllAll
Operating
System
AppleMac Os X10.15.6supplemental_updateAllAll
Operating
System
AppleMac Os X10.15.7AllAllAll
Operating
System
AppleMac Os X10.15.7-AllAll
Operating
System
AppleMac Os X10.15.7security_update_2020AllAll
Operating
System
AppleMac Os X10.15.7security_update_2020-001AllAll
Operating
System
AppleMac Os X10.15.7security_update_2020-005AllAll
Operating
System
AppleMac Os X10.15.7security_update_2020-007AllAll
Operating
System
AppleMac Os X10.15.7security_update_2021-001AllAll
Operating
System
AppleMac Os X10.15.7supplemental_updateAllAll
Operating
System
AppleMac Os XAllAllAllAll
Operating
System
AppleTvosAllAllAllAll
Operating
System
AppleWatchosAllAllAllAll
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.15.6:-:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.15.6:supplemental_update:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.15.7:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-005:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-007:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update:*:*:*:*:*:*:
  • cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*:
  • cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @WesUncensored New vulnerability on the NVD: CVE-2021-1740 ift.tt/3yS1d0D 2021-09-09 07:33:26
Twitter Icon @workentin New vulnerability on the NVD: CVE-2021-1740 ift.tt/3yS1d0D 2021-09-09 07:40:34
Twitter Icon @patch1t I just found iOS 14.8 not just patched two 0 days. It also patched CVE-2021-1740 again silently. jhftss.github.io/CVE-2021-1740-… 2021-09-15 08:11:09
Twitter Icon @lagal1990 iOS14.8: Patch CVE-2021-1740 again silently #iOS #0day jhftss.github.io/CVE-2021-1740-… https://t.co/9GtQoBUp3m 2021-09-15 09:55:25
Twitter Icon @iFenixx iOS 14.8 : Patch CVE-2021-1740 again silently..? By - @patch1t Blog :jhftss.github.io/CVE-2021-1740-… https://t.co/htmsGdky2M 2021-09-15 10:31:05
Twitter Icon @01_security_01 iOS14.8: Patch CVE-2021-1740 again silently - jhftss.github.io/CVE-2021-1740-… #leak #hacking #infosec 2021-09-15 15:05:53
Twitter Icon @01_security_01 iOS14.8: Patch CVE-2021-1740 again silently - jhftss.github.io/CVE-2021-1740-… #infosec #hacker #infosec 2021-09-15 15:07:34
Twitter Icon @01_security_01 iOS14.8: Patch CVE-2021-1740 again silently - jhftss.github.io/CVE-2021-1740-… #botnet #cyberattack #rootkit 2021-09-15 15:14:22
Twitter Icon @01_security_01 iOS14.8: Patch CVE-2021-1740 again silently - jhftss.github.io/CVE-2021-1740-… #hacker #databreach #hacker 2021-09-15 15:14:50
Twitter Icon @infinityABCDE jhftss.github.io/CVE-2021-1740-… 2021-09-16 02:28:43
Twitter Icon @infinityABCDE I just found iOS 14.8 not just patched two 0 days. It also patched CVE-2021-1740 again silently. 2021-09-16 02:28:55
Twitter Icon @mobilesecurity_ iOS14.8: Patch CVE-2021-1740 again silently #MobileSecurity #iOSsecurity by @patch1t jhftss.github.io/CVE-2021-1740-… 2021-09-16 11:32:52
Twitter Icon @ipssignatures The vuln CVE-2021-1740 has a tweet created 0 days ago and retweeted 12 times. twitter.com/mobilesecurity… #pow1rtrtwwcve 2021-09-16 16:06:00
Twitter Icon @n0ipr0cs iOS14.8: Patch CVE-2021-1740 again silently – Mickey's Blogs – Exploring the world with my sword of debugger :) jhftss.github.io/CVE-2021-1740-… 2021-09-17 06:40:47
Twitter Icon @reverseame iOS14.8: Patch CVE-2021-1740 again silently jhftss.github.io/CVE-2021-1740-… 2021-10-14 06:47:04
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