CVE-2013-2787: Alstom e-terracontrol 3.5, 3.6, and 3.7 allows remote attackers to cause a denial of service (infinite loop) v

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HIGH 7.8DOWNGRADE

CVE-2013-2787 is a high-severity flaw (CVSS 7.8) affecting e-terracontrol. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Alstom e-terracontrol 3.5, 3.6, and 3.7 allows remote attackers to cause a denial of service (infinite loop) via crafted DNP3 packets.

Why this priority

High severity

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

Risk facts

CVSS score	7.8 (High)
EPSS exploit chance	1.5% (top 26%)
CISA exploited list	No
Weakness	CWE-20
Published	2013-10-13
Last modified	2026-06-16

Publisher (CNA): ICS-CERT · Vendor: alstom

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

Am I affected?

Timeline

2013-10-13 10:20 UTCPublished CVE record published
2026-06-16 23:53 UTCUpdated Record last modified

alstom e-terracontrol DOWNGRADE

Affected: 3.5 · 3.6 · 3.7

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.5

1. Check installed version

apt-cache policy e-terracontrol || rpm -q e-terracontrol || e-terracontrol --version

2. No fixed release: DOWNGRADE to a release before 3.5 (Debian / Ubuntu)

apt-cache madison e-terracontrol sudo apt install e-terracontrol=<VERSION_BEFORE_3.5> sudo apt-mark hold e-terracontrol

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

dnf --showduplicates list e-terracontrol sudo dnf downgrade e-terracontrol-<VERSION_BEFORE_3.5> sudo dnf versionlock add e-terracontrol

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-2013-2787?

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

Is CVE-2013-2787 being exploited?

CVE-2013-2787 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-2013-2787 affect?

CVE-2013-2787 affects e-terracontrol. Severity is high (CVSS 7.8). Alstom e-terracontrol 3.5, 3.6, and 3.7 allows remote attackers to cause a denial of service (infinite loop) via crafted DNP3 packets.

How urgent is CVE-2013-2787?

Priority 46/100. High severity

Related CVEs

CVE-2013-2818 MEDIUM 4.7 DOWNGRADE The DNP Master Driver in Alstom e-terracontrol 3.5, 3.6, and 3.7 allows physically proximate attackers to caus

References

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