How severe is CVE-2001-0686?

CVE-2001-0686 has a CVSS 2.0 base score of 4.6, rated medium severity.

Is CVE-2001-0686 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2001-0686?

CVE-2001-0686 primarily affects Sun Solaris. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2001-0686?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2001-0686 published?

CVE-2001-0686 was published on 2001-09-20 and last updated on 2026-06-16.

CVE-2001-0686

CVE-2001-0686 is a medium-severity vulnerability in Sun Solaris with a CVSS 2.0 base score of 4.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 4.6)
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Sun Solaris
Published: 2001-09-20
Last modified: 2026-06-16

Description

Buffer overflow in mail included with SunOS 5.8 for x86 allows a local user to gain privileges via a long HOME environment variable.

Frequently asked questions

What is CVE-2001-0686?: Buffer overflow in mail included with SunOS 5.8 for x86 allows a local user to gain privileges via a long HOME environment variable.
How severe is CVE-2001-0686?: CVE-2001-0686 has a CVSS 2.0 base score of 4.6, rated medium severity.
Is CVE-2001-0686 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-0686?: CVE-2001-0686 primarily affects Sun Solaris. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2001-0686?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2001-0686 published?: CVE-2001-0686 was published on 2001-09-20 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:o:sun:solaris:5.8:*:x86:*:*:*:*:*
cpe:2.3:o:sun:solaris:8.0:*:x86:*:*:*:*:*

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