Public proof of conceptFix available

CVE-2020-9992

Q: Is CVE-2020-9992 actively exploited?

Active exploitation of CVE-2020-9992 has not been confirmed. Its EPSS score was 3.0% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2020-9992?

CVE-2020-9992 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

A public proof of concept exists; no exploitation attested.

Published2020-10-16
Fixed in14.0

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

This issue was addressed by encrypting communications over the network to devices running iOS 14, iPadOS 14, tvOS 14, and watchOS 7. This issue is fixed in iOS 14.0 and iPadOS 14.0, Xcode 12.0. An attacker in a privileged network position may be able to execute arbitrary code on a paired device during a debug session over the network.

Timeline

dates in UTC

2020-10-1617:15CVE publishedNVD
2026-10-2319:23First public proof of conceptPoC-in-GitHub

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2020-9992?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-9992?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Apple ipados

Branch	Affected	Fixed in	Source
14.0	< 14.0	14.0	NVD

Apple iphone os

Branch	Affected	Fixed in	Source
14.0	< 14.0	14.0	NVD

Apple xcode

Branch	Affected	Fixed in	Source
12.0	< 12.0	12.0	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Apple ipados to 14.0

Advisories and patches

support.apple.comRelease Notes · Vendor Advisory
support.apple.comRelease Notes · Vendor Advisory

Detection

read 2026-10-23 19:23 UTC

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: 1 repository, unverifiedc0ntextomy/c0ntextomy

Sources

NVDCVSS 3.17.8read 2026-10-23
NVDCVSS 2.09.3read 2026-10-23
FIRST EPSSEPSS score3.0 %2026-10-23
PoC-in-GitHubproof of concept1read 2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published: 2020-10-16
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2020-9992?

Is CVE-2020-9992 actively exploited?

Active exploitation of CVE-2020-9992 has not been confirmed. Its EPSS score was 3.0% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-9992?

CVE-2020-9992 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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