CVE-2013-0687: The installer routine in Schneider Electric MiCOM S1 Studio uses world-writable permissions for executable fil

Routine

MEDIUM 6.6MITIGATE

CVE-2013-0687 is a medium-severity flaw (CVSS 6.6) affecting micom s1 studio. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The installer routine in Schneider Electric MiCOM S1 Studio uses world-writable permissions for executable files, which allows local users to modify the service or the configuration files, and consequently gain privileges or trigger incorrect protective-relay operation, via a Trojan horse executable file.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	6.6 (Medium)
EPSS exploit chance	0.3% (top 73%)
CISA exploited list	No
Weakness	CWE-264
Published	2013-04-18
Last modified	2026-06-16

Publisher (CNA): ICS-CERT · Vendor: schneider-electric

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2013-04-18 02:25 UTCPublished CVE record published
2026-06-16 23:49 UTCUpdated Record last modified

schneider-electric micom s1 studio MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy micom-s1-studio || rpm -q micom-s1-studio || micom-s1-studio --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

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-2013-0687?

micom s1 studio: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2013-0687 being exploited?

CVE-2013-0687 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-2013-0687 affect?

CVE-2013-0687 affects micom s1 studio. Severity is medium (CVSS 6.6). The installer routine in Schneider Electric MiCOM S1 Studio uses world-writable permissions for executable files, which allows local users to modify the service or the configuration files, and consequently gain privileges or trigger incorre

How urgent is CVE-2013-0687?

Priority 30/100. No elevated risk signals yet.

Software pages

Schneider Electric vulnerabilities

Related CVEs

CVE-2013-2786 MEDIUM 6.6 UPGRADE MITIGATE Alstom Grid MiCOM S1 Agile before 1.0.3 and Alstom Grid MiCOM S1 Studio use weak permissions for the MiCOM S1

References

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