How severe is CVE-2012-0862?

CVE-2012-0862 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2012-0862 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-0862?

CVE-2012-0862 primarily affects Xinetd. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-0862?

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

When was CVE-2012-0862 published?

CVE-2012-0862 was published on 2012-06-04 and last updated on 2026-06-16.

CVE-2012-0862

CVE-2012-0862 is a medium-severity vulnerability in Xinetd with a CVSS 2.0 base score of 4.3. 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: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Xinetd
Published: 2012-06-04
Last modified: 2026-06-16

Description

builtins.c in Xinetd before 2.3.15 does not check the service type when the tcpmux-server service is enabled, which exposes all enabled services and allows remote attackers to bypass intended access restrictions via a request to tcpmux port 1.

Frequently asked questions

What is CVE-2012-0862?: builtins.c in Xinetd before 2.3.15 does not check the service type when the tcpmux-server service is enabled, which exposes all enabled services and allows remote attackers to bypass intended access restrictions via a request to tcpmux port 1.
How severe is CVE-2012-0862?: CVE-2012-0862 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2012-0862 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-0862?: CVE-2012-0862 primarily affects Xinetd. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-0862?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-0862 published?: CVE-2012-0862 was published on 2012-06-04 and last updated on 2026-06-16.

References

Affected products (10)

cpe:2.3:a:xinetd:xinetd:*:*:*:*:*:*:*:*
cpe:2.3:a:xinetd:xinetd:2.3.5:*:*:*:*:*:*:*
cpe:2.3:a:xinetd:xinetd:2.3.6:*:*:*:*:*:*:*
cpe:2.3:a:xinetd:xinetd:2.3.7:*:*:*:*:*:*:*
cpe:2.3:a:xinetd:xinetd:2.3.8:*:*:*:*:*:*:*
cpe:2.3:a:xinetd:xinetd:2.3.9:*:*:*:*:*:*:*
cpe:2.3:a:xinetd:xinetd:2.3.10:*:*:*:*:*:*:*
cpe:2.3:a:xinetd:xinetd:2.3.11:*:*:*:*:*:*:*
cpe:2.3:a:xinetd:xinetd:2.3.12:*:*:*:*:*:*:*
cpe:2.3:a:xinetd:xinetd:2.3.13:*:*:*:*:*:*:*

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