CVE-2020-9802 — webkitgtk: Logic issue may lead to arbitrary code execution

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HIGH

webkitgtk: Logic issue may lead to arbitrary code execution

Published Jun 9, 2020

8.8

HIGH

CVSS 3.1

EPSS 8.27%

Description

A logic issue was addressed with improved restrictions. This issue is fixed in iOS 13.5 and iPadOS 13.5, tvOS 13.4.5, watchOS 6.2.5, Safari 13.1.1, iTunes 12.10.7 for Windows, iCloud for Windows 11.2, iCloud for Windows 7.19. Processing maliciously crafted web content may lead to arbitrary code execution.

Affected products

Vendor Apple Product Safari Default
n/a
- Version
  unspecified
  Status
  affected
  Constraints
  <Safari 13.1.1
Vendor Apple Product iCloud for Windows Default
n/a
- Version
  unspecified
  Status
  affected
  Constraints
  <iCloud for Windows 11.2
Vendor Apple Product iCloud for Windows (Legacy) Default
n/a
- Version
  unspecified
  Status
  affected
  Constraints
  <iCloud for Windows 7.19
Vendor Apple Product iOS Default
n/a
- Version
  unspecified
  Status
  affected
  Constraints
  <iOS 13.5 and iPadOS 13.5
Vendor Apple Product iTunes for Windows Default
n/a
- Version
  unspecified
  Status
  affected
  Constraints
  <iTunes 12.10.7 for Windows
Vendor Apple Product tvOS Default
n/a
- Version
  unspecified
  Status
  affected
  Constraints
  <tvOS 13.4.5
Vendor Apple Product watchOS Default
n/a
- Version
  unspecified
  Status
  affected
  Constraints
  <watchOS 6.2.5

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Apple

Safari

n/a

Version	Status	Constraints
unspecified	affected	<Safari 13.1.1

Apple

iCloud for Windows

n/a

Version	Status	Constraints
unspecified	affected	<iCloud for Windows 11.2

Apple

iCloud for Windows (Legacy)

n/a

Version	Status	Constraints
unspecified	affected	<iCloud for Windows 7.19

Apple

iOS

n/a

Version	Status	Constraints
unspecified	affected	<iOS 13.5 and iPadOS 13.5

Apple

iTunes for Windows

n/a

Version	Status	Constraints
unspecified	affected	<iTunes 12.10.7 for Windows

Apple

tvOS

n/a

Version	Status	Constraints
unspecified	affected	<tvOS 13.4.5

Apple

watchOS

n/a

Version	Status	Constraints
unspecified	affected	<watchOS 6.2.5

Red Hat Enterprise Linux 7 Extended Lifecycle Support

webkitgtk4-0:2.48.3-2.el7_9

Fixed · RHSA-2025:10364
Red Hat Enterprise Linux 8

webkit2gtk3-0:2.28.4-1.el8

Fixed · RHSA-2020:4451
Red Hat Enterprise Linux 6

webkitgtk

Out of support scope
Red Hat Enterprise Linux 7

webkitgtk3

Will not fix

Product	Package	State	Advisory
Red Hat Enterprise Linux 7 Extended Lifecycle Support	webkitgtk4-0:2.48.3-2.el7_9	Fixed	RHSA-2025:10364
Red Hat Enterprise Linux 8	webkit2gtk3-0:2.28.4-1.el8	Fixed	RHSA-2020:4451
Red Hat Enterprise Linux 6	webkitgtk	Out of support scope	n/a
Red Hat Enterprise Linux 7	webkitgtk3	Will not fix	n/a

Remediation

No remediation recorded yet.

Metrics

8.27% 0.08273

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

EPSS probability 0.08273

Score over time

2021–2026

EPSS v1
EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v1
EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (26 key points)

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

Date	Score	Percentile	Model
Oct 1, 2026	8.27% (0.08273)	94.75th	v5 (v2026.06.15)
Jun 15, 2026	8.27% (0.08273)	94.18th	v5 (v2026.06.15)
Dec 7, 2025	41.49% (0.41488)	97.25th	v4 (v2025.03.14)
Nov 21, 2025	45.59% (0.45587)	97.46th	v4 (v2025.03.14)
Nov 18, 2025	60.46% (0.60464)	98.24th	v4 (v2025.03.14)
Nov 16, 2025	45.00% (0.44995)	97.43th	v4 (v2025.03.14)
Jul 15, 2025	42.08% (0.42077)	97.29th	v4 (v2025.03.14)
Jul 10, 2025	44.11% (0.44110)	97.40th	v4 (v2025.03.14)
Mar 30, 2025	41.49% (0.41488)	97.13th	v4 (v2025.03.14)
Mar 29, 2025	51.36% (0.51360)	96.90th	v4 (v2025.03.14)
Mar 28, 2025	41.49% (0.41488)	97.13th	v4 (v2025.03.14)
Mar 27, 2025	51.36% (0.51360)	97.51th	v4 (v2025.03.14)
Mar 20, 2025	48.81% (0.48814)	97.55th	v4 (v2025.03.14)
Mar 19, 2025	58.34% (0.58345)	97.95th	v4 (v2025.03.14)
Mar 17, 2025	43.95% (0.43953)	97.23th	v4 (v2025.03.14)
Dec 12, 2024	59.27% (0.59268)	97.87th	v3 (v2023.03.01)
Apr 13, 2024	59.27% (0.59268)	97.70th	v3 (v2023.03.01)
Oct 28, 2023	54.60% (0.54595)	97.25th	v3 (v2023.03.01)
Mar 7, 2023	57.56% (0.57557)	97.11th	v3 (v2023.03.01)
Mar 6, 2023	2.03% (0.02031)	79.34th	v2 (v2022.01.01)
Apr 1, 2022	2.03% (0.02031)	77.51th	v2 (v2022.01.01)
Feb 4, 2022	26.79% (0.26788)	95.79th	v2 (v2022.01.01)
Feb 3, 2022	2.03% (0.02031)	50.16th	v1
Jan 6, 2022	2.03% (0.02031)	49.66th	v1
Sep 1, 2021	0.46% (0.00460)	27.97th	v1
Apr 14, 2021	0.46% (0.00460)	0.00th	v1

Weaknesses (1)

CWE-841

References (12)

https://access.redhat.com/security/cve/CVE-2020-9802
Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1879545
Issue Tracking
https://nvd.nist.gov/vuln/detail/CVE-2020-9802
https://support.apple.com/HT211168
x_refsource_MISCRelease NotesVendor Advisory
https://support.apple.com/HT211171
x_refsource_MISCRelease NotesVendor Advisory
https://support.apple.com/HT211175
x_refsource_MISCRelease NotesVendor Advisory
https://support.apple.com/HT211177
x_refsource_MISCBroken LinkRelease NotesVendor Advisory
https://support.apple.com/HT211178
x_refsource_MISCRelease NotesVendor Advisory
https://support.apple.com/HT211179
x_refsource_MISCRelease NotesVendor Advisory
https://support.apple.com/HT211181
x_refsource_MISCRelease NotesVendor Advisory
https://webkitgtk.org/security/WSA-2020-0006.html
https://www.cve.org/CVERecord?id=CVE-2020-9802

Link	Providers	Tags
https://access.redhat.com/security/cve/CVE-2020-9802		Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1879545		Issue Tracking
https://nvd.nist.gov/vuln/detail/CVE-2020-9802
https://support.apple.com/HT211168		x_refsource_MISCRelease NotesVendor Advisory
https://support.apple.com/HT211171		x_refsource_MISCRelease NotesVendor Advisory
https://support.apple.com/HT211175		x_refsource_MISCRelease NotesVendor Advisory
https://support.apple.com/HT211177		x_refsource_MISCBroken LinkRelease NotesVendor Advisory
https://support.apple.com/HT211178		x_refsource_MISCRelease NotesVendor Advisory
https://support.apple.com/HT211179		x_refsource_MISCRelease NotesVendor Advisory
https://support.apple.com/HT211181		x_refsource_MISCRelease NotesVendor Advisory
https://webkitgtk.org/security/WSA-2020-0006.html
https://www.cve.org/CVERecord?id=CVE-2020-9802