CVE-2023-23431: Some Honor products are affected by signature management vulnerability, successful exploitation could cause t

Q: How do I fix CVE-2023-23431?

nth-an00 firmware: upgrade to 7.0.0.157. Exact commands for each OS are on this page.

Q: Is CVE-2023-23431 being exploited?

CVE-2023-23431 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-23431 affect?

CVE-2023-23431 affects nth-an00 firmware. Severity is high (CVSS 7.3). Some Honor products are affected by signature management vulnerability, successful exploitation could cause the forged system file overwrite the correct system file.

Routine

HIGH 7.3UPGRADE

CVE-2023-23431 is a high-severity flaw (CVSS 7.3) affecting nth-an00 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Some Honor products are affected by signature management vulnerability, successful exploitation could cause the forged system file overwrite the correct system file.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.3 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.1% (top 98%)
CISA exploited list	No
Weakness	CWE-347
Published	2023-12-29
Last modified	2026-06-17

Publisher (CNA): Honor Device Co., Ltd. · Vendor: hihonor

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-12-29 02:15 UTCPublished CVE record published
2026-06-17 05:37 UTCUpdated Record last modified

hihonor nth-an00 firmware UPGRADE

Affected: < 7.0.0.157

Fixed in: 7.0.0.157

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-23431?

nth-an00 firmware: upgrade to 7.0.0.157. Exact commands for each OS are on this page.

Is CVE-2023-23431 being exploited?

CVE-2023-23431 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-23431 affect?

CVE-2023-23431 affects nth-an00 firmware. Severity is high (CVSS 7.3). Some Honor products are affected by signature management vulnerability, successful exploitation could cause the forged system file overwrite the correct system file.

How urgent is CVE-2023-23431?

Priority 26/100. High severity

Related CVEs

CVE-2023-23433 MEDIUM 4.0 UPGRADE Some Honor products are affected by signature management vulnerability, successful exploitation could cause t
CVE-2023-23432 HIGH 7.3 UPGRADE Some Honor products are affected by signature management vulnerability, successful exploitation could cause t
CVE-2023-23424 MEDIUM 6.5 MITIGATE Some Honor products are affected by file writing vulnerability, successful exploitation could cause code exec

References

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