CVE-2017-2213: Untrusted search path vulnerability in SemiDynaEXE (SemiDynaEXE2008.EXE) ver

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HIGH 7.8DOWNGRADE

CVE-2017-2213 is a high-severity flaw (CVSS 7.8) affecting semidynaexe. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Untrusted search path vulnerability in SemiDynaEXE (SemiDynaEXE2008.EXE) ver. 1.0.2 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	1.1% (top 35%)
CISA exploited list	No
Weakness	CWE-426
Published	2017-06-09
Last modified	2026-06-17

Publisher (CNA): JPCERT/CC · Vendor: gsi

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

Am I affected?

Timeline

2017-06-09 16:29 UTCPublished CVE record published
2026-06-17 01:15 UTCUpdated Record last modified

gsi semidynaexe DOWNGRADE

Affected: 1.0.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.2

1. Check installed version

apt-cache policy semidynaexe || rpm -q semidynaexe || semidynaexe --version

2. No fixed release: DOWNGRADE to a release before 1.0.2 (Debian / Ubuntu)

apt-cache madison semidynaexe sudo apt install semidynaexe=<VERSION_BEFORE_1.0.2> sudo apt-mark hold semidynaexe

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

dnf --showduplicates list semidynaexe sudo dnf downgrade semidynaexe-<VERSION_BEFORE_1.0.2> sudo dnf versionlock add semidynaexe

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-2017-2213?

semidynaexe: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2017-2213 being exploited?

CVE-2017-2213 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-2017-2213 affect?

CVE-2017-2213 affects semidynaexe. Severity is high (CVSS 7.8). Untrusted search path vulnerability in SemiDynaEXE (SemiDynaEXE2008.EXE) ver. 1.0.2 allows an attacker to gain privileges via a Trojan horse DLL in an unspecified directory.

How urgent is CVE-2017-2213?

Priority 43/100. High severity

References

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