CVE-2009-1552: Unspecified vulnerability in the IGMP driver in SCO Unixware Release 7.1.4 Maintenance Pack 4 allows attackers

This month

HIGH 7.8MITIGATE

CVE-2009-1552 is a high-severity flaw (CVSS 7.8) affecting unixware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Unspecified vulnerability in the IGMP driver in SCO Unixware Release 7.1.4 Maintenance Pack 4 allows attackers to cause a denial of service (system panic) via unspecified vectors.

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	1.4% (top 28%)
CISA exploited list	No
Published	2009-05-06
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: sco

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

Am I affected?

Timeline

2009-05-06 15:30 UTCPublished CVE record published
2026-06-16 23:07 UTCUpdated Record last modified

sco unixware MITIGATE

Affected: 7.1.4 mp4

Fixed in: no fixed release known

Safe to downgrade to: a release before 7.1.4

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

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-2009-1552?

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

Is CVE-2009-1552 being exploited?

CVE-2009-1552 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-2009-1552 affect?

CVE-2009-1552 affects unixware. Severity is high (CVSS 7.8). Unspecified vulnerability in the IGMP driver in SCO Unixware Release 7.1.4 Maintenance Pack 4 allows attackers to cause a denial of service (system panic) via unspecified vectors.

How urgent is CVE-2009-1552?

Priority 45/100. High severity

Related CVEs

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CVE-2008-6558 HIGH 7.2 MITIGATE DOWNGRADE Untrusted search path vulnerability in (1) hvdisp and (2) rcvm in ReliantHA 1.1.4 in SCO UnixWare 7.1.4 allows
CVE-2008-1343 MEDIUM 4.9 MITIGATE Directory traversal vulnerability in (1) pkgadd and (2) pkgrm in SCO UnixWare 7.1.4 allows local users to gain
CVE-2008-0310 MEDIUM 6.9 MITIGATE Directory traversal vulnerability in pkgadd in SCO UnixWare 7.1.4 before p534589 allows local users to create

References

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