How severe is CVE-2008-6558?

CVE-2008-6558 has a CVSS 2.0 base score of 7.2, rated high severity.

Is CVE-2008-6558 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-6558?

CVE-2008-6558 primarily affects Unixware Reliantha. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-6558?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2008-6558 published?

CVE-2008-6558 was published on 2009-03-30 and last updated on 2026-06-16.

CVE-2008-6558

CVE-2008-6558 is a high-severity vulnerability in Unixware Reliantha with a CVSS 2.0 base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 2.0 base score 7.2)
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Unixware Reliantha
Published: 2009-03-30
Last modified: 2026-06-16

Description

Untrusted search path vulnerability in (1) hvdisp and (2) rcvm in ReliantHA 1.1.4 in SCO UnixWare 7.1.4 allows local users to gain root privileges by modifying the RELIANT_PATH environment variable to point to a malicious bin/hvenv program.

Frequently asked questions

What is CVE-2008-6558?: Untrusted search path vulnerability in (1) hvdisp and (2) rcvm in ReliantHA 1.1.4 in SCO UnixWare 7.1.4 allows local users to gain root privileges by modifying the RELIANT_PATH environment variable to point to a malicious bin/hvenv program.
How severe is CVE-2008-6558?: CVE-2008-6558 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2008-6558 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-6558?: CVE-2008-6558 primarily affects Unixware Reliantha. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-6558?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2008-6558 published?: CVE-2008-6558 was published on 2009-03-30 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:o:sco:unixware:7.1.4:*:*:*:*:*:*:*
cpe:2.3:a:unixware:reliantha:1.1.4:*:*:*:*:*:*:*

Other CWE-20 (Improper Input Validation) vulnerabilities

CVE-2026-48316 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48281 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48277 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48055 — Critical (CVSS 10.0): Streambert is a cross-platform Electron Desktop App to stream and download any video media. In versions 2.4.0 and…
CVE-2026-34910 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS…
CVE-2026-33587 — Critical (CVSS 10.0): Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and…

Browse all CWE-20 (Improper Input Validation) vulnerabilities →