CVE-2017-10831: Untrusted search path vulnerability in The electronic authentication system based on the commercial registrati

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HIGH 7.8DOWNGRADE

CVE-2017-10831 is a high-severity flaw (CVSS 7.8) affecting commercial registration electronic authentication software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Untrusted search path vulnerability in The electronic authentication system based on the commercial registration system "The CRCA user's Software" Ver1.8 and earlier allows an attacker to gain privileges via a Trojan horse DLL in an unspecified directory.

Why this priority

High severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.5% (top 27%)
CISA exploited list	No
Weakness	CWE-426
Published	2017-08-29
Last modified	2026-06-17

Publisher (CNA): JPCERT/CC · Vendor: moj.go

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

Am I affected?

Timeline

2017-08-29 01:35 UTCPublished CVE record published
2026-06-17 01:00 UTCUpdated Record last modified

moj.go commercial registration electronic authentication software DOWNGRADE

Affected: 1.8

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.8

1. Check installed version

apt-cache policy commercial-registration-electronic-authentication-software || rpm -q commercial-registration-electronic-authentication-software || commercial-registration-electronic-authentication-software --version

2. No fixed release: DOWNGRADE to a release before 1.8 (Debian / Ubuntu)

apt-cache madison commercial-registration-electronic-authentication-software sudo apt install commercial-registration-electronic-authentication-software=<VERSION_BEFORE_1.8> sudo apt-mark hold commercial-registration-electronic-authentication-software

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list commercial-registration-electronic-authentication-software sudo dnf downgrade commercial-registration-electronic-authentication-software-<VERSION_BEFORE_1.8> sudo dnf versionlock add commercial-registration-electronic-authentication-software

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2017-10831?

commercial registration electronic authentication software: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2017-10831 being exploited?

CVE-2017-10831 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-2017-10831 affect?

CVE-2017-10831 affects commercial registration electronic authentication software. Severity is high (CVSS 7.8). Untrusted search path vulnerability in The electronic authentication system based on the commercial registration system "The CRCA user's Software" Ver1.8 and earlier allows an attacker to gain privileges via a Trojan horse DLL in an unspeci

How urgent is CVE-2017-10831?

Priority 46/100. High severity

References

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