CVE-2011-4518: Directory traversal vulnerability in the PmWebDir object in the web server in MICROSYS PROMOTIC before 8.1.5 a

Q: How do I fix CVE-2011-4518?

promotic: upgrade to newer than 8.1.4. Exact commands for each OS are on this page.

Q: Is CVE-2011-4518 being exploited?

CVE-2011-4518 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-2011-4518 affect?

CVE-2011-4518 affects promotic. Severity is medium (CVSS 5.0). Directory traversal vulnerability in the PmWebDir object in the web server in MICROSYS PROMOTIC before 8.1.5 allows remote attackers to read arbitrary files via unspecified vectors.

Q: How urgent is CVE-2011-4518?

Priority 47/100. EPSS top 2%: very likely to be exploited; Public exploit reference

This week

MEDIUM 5.0UPGRADE

CVE-2011-4518 is a medium-severity flaw (CVSS 5.0) affecting promotic. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Directory traversal vulnerability in the PmWebDir object in the web server in MICROSYS PROMOTIC before 8.1.5 allows remote attackers to read arbitrary files via unspecified vectors.

Why this priority

EPSS top 2%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	26.4% (top 2%)
CISA exploited list	No
Weakness	CWE-22
Published	2013-05-23
Last modified	2026-06-16

Publisher (CNA): CERT/CC · Vendor: microsys

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

Am I affected?

Timeline

2013-05-23 17:55 UTCPublished CVE record published
2026-06-16 23:34 UTCUpdated Record last modified

microsys promotic UPGRADE

Affected: <= 8.1.4 · 8.0.0 · 8.0.1 · 8.0.2 · 8.0.3 · 8.0.4 · 8.0.5 · 8.0.6

Fixed in: newer than 8.1.4

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 8.1.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade promotic

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade promotic

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Microsys PROMOTIC 8.1.4 - ActiveX GetPromoticSite Unitialized Pointer

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-2011-4518?

promotic: upgrade to newer than 8.1.4. Exact commands for each OS are on this page.

Is CVE-2011-4518 being exploited?

CVE-2011-4518 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-2011-4518 affect?

CVE-2011-4518 affects promotic. Severity is medium (CVSS 5.0). Directory traversal vulnerability in the PmWebDir object in the web server in MICROSYS PROMOTIC before 8.1.5 allows remote attackers to read arbitrary files via unspecified vectors.

How urgent is CVE-2011-4518?

Priority 47/100. EPSS top 2%: very likely to be exploited; Public exploit reference

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References

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