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CVE-2020-10022

24
FAUCET Score

CVE-2020-10022 describes a critical memory corruption vulnerability (CWE-120) in Zephyr OS versions 2.1.0 and 2.2.0, triggered by a malformed JSON payload from an UpdateHub server. This flaw, rated 9.8 CVSS (Critical), allows unauthenticated remote attackers to cause denial of service or, in the worst case, achieve arbitrary code execution. Despite its severity, there is no known public exploit code (Metasploit, Nuclei, ExploitDB) and minimal community discussion or media coverage, indicating it is not actively exploited or widely discussed.

Impacted Technologies

VendorProductVersion(s)CPE
2.1.0CPE matchmatch criteria
cpe:2.3:o:zephyrproject:zephyr:2.1.0:*:*:*:*:*:*:*
2.2.0CPE matchmatch criteria
cpe:2.3:o:zephyrproject:zephyr:2.2.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.0CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.2
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.32%
Probability of exploitation in next 30 days
EPSS Percentile
81.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0232 is in the 71st percentile among its peer group of 36,897 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

docs.zephyrproject.org / latest/security/vulnerabilities.html
github.com / zephyrproject-rtos/zephyr/pull/24065
PatchThird Party Advisory
github.com / zephyrproject-rtos/zephyr/pull/24066
PatchThird Party Advisory
github.com / zephyrproject-rtos/zephyr/pull/24154
PatchThird Party Advisory
zephyrprojectsec.atlassian.net / browse/ZEPSEC-28
Third Party Advisory