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CVE-2020-9802· NVD / CVE Program· CNA apple

A logic issue was addressed with improved restrictions.

Noroxi assessment

Priority: Monitor (action score 37/100)

  • Public proof-of-concept code exists (GitHub); there is no record of exploitation in the wild.
  • Probability of exploitation in the next 30 days: 8.2% (FIRST EPSS); higher than 94.8% of all records.
  • Anyone who can reach it over the internet can trigger it. No account or password is required. A user must open a link or visit a page. No special conditions are required; it is repeatable.
  • Fixed version: webkit2gtk (Debian:10) 2.28.3-2~deb10u1; webkit2gtk (Debian:12) 2.28.3-1; wpewebkit (Debian:12) 2.28.3-1.
  • Mentioned 1 time in Turkish national cyber security advisories (siberguvenlik.gov.tr).

Low priority for now. Upgrade to webkit2gtk (Debian:10) 2.28.3-2~deb10u1; webkit2gtk (Debian:12) 2.28.3-1; wpewebkit (Debian:12) 2.28.3-1 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

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.

HighCVSS 8.8 · v3.1—Proof of concept Fix available
Published
Jun 9, 2020
Updated
Jun 16, 2026
EPSS
8.2% · 94th percentile
CWE
—

Report tools

JSON

Action score

37

Monitor

Low priority for now.

CVSS
35 / 40 · 8.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
2 / 30 · 8.2%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
total

Vulnrichment: CISA's decision-tree inputs.

Get told when this record changes

  • Not in KEV: no record of exploitation in the wild
  • Proof of concept exists, no weaponized module
  • A fix has been released

If any of these changes, we'll tell you in the daily email digest.

Follow CVE-2020-9802

When you'll hear from us

  • when it enters CISA KEV
  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

VendorProduct
appleicloud
appleitunes
applesafari
appleipados
appleiphone os
appletvos
applewatchos

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • apple icloudbefore 7.19
  • apple icloud11.0 and later · before 11.2
  • apple ipadosbefore 13.5
  • apple iphone osbefore 13.5
  • apple itunesbefore 12.10.7
  • apple safaribefore 13.1.1
  • apple tvosbefore 13.4.5
  • apple watchosbefore 6.2.5

Versions reported by the vendor

Affected version ranges reported by the assigning authority (apple). Independent of NVD's CPE analysis and usually ahead of it.

  • Apple iCloud for Windows

    • unspecified and later · before iCloud for Windows 11.2affected

  • Apple iCloud for Windows (Legacy)

    • unspecified and later · before iCloud for Windows 7.19affected

  • Apple iOS

    • unspecified and later · before iOS 13.5 and iPadOS 13.5affected

  • Apple iTunes for Windows

    • unspecified and later · before iTunes 12.10.7 for Windowsaffected

  • Apple Safari

    • unspecified and later · before Safari 13.1.1affected

  • Apple tvOS

    • unspecified and later · before tvOS 13.4.5affected

  • Apple watchOS

    • unspecified and later · before watchOS 6.2.5affected

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:10webkit2gtkbefore 2.28.3-2~deb10u12.28.3-2~deb10u1
Debian:12webkit2gtkbefore 2.28.3-12.28.3-1
Debian:12wpewebkitbefore 2.28.3-12.28.3-1
openSUSE:Leap 15.1webkit2gtk3before 2.28.3-lp151.2.21.12.28.3-lp151.2.21.1
openSUSE:Leap 15.3webkit2gtk3before 2.34.3-23.32.34.3-23.3
Red Hat:rhel_els:7webkitgtk4before 0:2.48.3-2.el7_90:2.48.3-2.el7_9
Red Hat:rhel_els:7webkitgtk4-debuginfobefore 0:2.48.3-2.el7_90:2.48.3-2.el7_9
Red Hat:rhel_els:7webkitgtk4-develbefore 0:2.48.3-2.el7_90:2.48.3-2.el7_9
Red Hat:rhel_els:7webkitgtk4-docbefore 0:2.48.3-2.el7_90:2.48.3-2.el7_9
Red Hat:rhel_els:7webkitgtk4-jscbefore 0:2.48.3-2.el7_90:2.48.3-2.el7_9
Red Hat:rhel_els:7webkitgtk4-jsc-develbefore 0:2.48.3-2.el7_90:2.48.3-2.el7_9
SUSE:HPE Helion OpenStack 8webkit2gtk3before 2.28.3-2.56.12.28.3-2.56.1
SUSE:Linux Enterprise High Performance Computing 15-ESPOSwebkit2gtk3before 2.34.3-3.92.12.34.3-3.92.1
SUSE:Linux Enterprise Module for Basesystem 15 SP1webkit2gtk3before 2.28.3-3.57.22.28.3-3.57.2
SUSE:Linux Enterprise Module for Basesystem 15 SP2webkit2gtk3before 2.28.3-3.3.12.28.3-3.3.1
SUSE:Linux Enterprise Module for Basesystem 15 SP3webkit2gtk3before 2.34.3-23.32.34.3-23.3

Same product

apple: all records

Other highest-scoring records for the same primary product.

  • CVE-2019-8506A type confusion issue was addressed with improved memory handling.KEV
    70This week
  • CVE-2020-27932A type confusion issue was addressed with improved state handling.KEV
    64This week
  • CVE-2020-9850A logic issue was addressed with improved restrictions.
    62This week

Published before and after this one in the same product

  • ← EarlierCVE-2020-9794Jun 9, 2020 · An out-of-bounds read was addressed with improved bounds checking.
    32Monitor
  • ← EarlierCVE-2020-9800Jun 9, 2020 · A type confusion issue was addressed with improved memory handling.
    35Monitor
  • Later →CVE-2020-9803Jun 9, 2020 · A memory corruption issue was addressed with improved validation.
    36Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
debian:webkit2gtk2.28.3-1 · Debian:12Package registry (OSV)
debian:wpewebkit2.28.3-1 · Debian:12Package registry (OSV)
opensuse:webkit2gtk32.28.3-lp151.2.21.1 · openSUSE:Leap 15.1Package registry (OSV)
red hat:webkitgtk40:2.48.3-2.el7_9 · Red Hat:rhel_els:7Package registry (OSV)
red hat:webkitgtk4-debuginfo0:2.48.3-2.el7_9 · Red Hat:rhel_els:7Package registry (OSV)
red hat:webkitgtk4-devel0:2.48.3-2.el7_9 · Red Hat:rhel_els:7Package registry (OSV)
red hat:webkitgtk4-doc0:2.48.3-2.el7_9 · Red Hat:rhel_els:7Package registry (OSV)
red hat:webkitgtk4-jsc0:2.48.3-2.el7_9 · Red Hat:rhel_els:7Package registry (OSV)
red hat:webkitgtk4-jsc-devel0:2.48.3-2.el7_9 · Red Hat:rhel_els:7Package registry (OSV)
suse:webkit2gtk32.28.3-3.57.2 · SUSE:Linux Enterprise Module for Basesystem 15 SP1Package registry (OSV)

Exploit status

Proof of concept available

A public proof of concept or detection signature exists. Exploit knowledge is out there; don't delay patching.

Evidence

  • Proof-of-concept repository on GitHub ×2

Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.

Public exploit evidence
SourceKindDate
Proof-of-concept repository on GitHubstars:12023-10-31
Proof-of-concept repository on GitHubstars:122025-11-12

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

  1. Published
  2. First PoC+1238 d
  3. TodayOct 19, 2026+2323 d
EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

National notice (Türkiye Cybersecurity Directorate / USOM)

Official security notices citing this record; remediation advice is on the agency's page.

All national notices →

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • A user must open a link or visit a page.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

—

CVSS vector

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

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Show all references (6 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records