How severe is CVE-2012-1989?

CVE-2012-1989 has a CVSS 2.0 base score of 3.6, rated low severity.

Is CVE-2012-1989 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-1989?

CVE-2012-1989 primarily affects Puppet. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-1989?

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

When was CVE-2012-1989 published?

CVE-2012-1989 was published on 2012-06-27 and last updated on 2026-06-16.

CVE-2012-1989

CVE-2012-1989 is a low-severity vulnerability in Puppet with a CVSS 2.0 base score of 3.6. 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-264.

Key facts

Severity: Low (CVSS 2.0 base score 3.6)
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Puppet
Published: 2012-06-27
Last modified: 2026-06-16

Description

telnet.rb in Puppet 2.7.x before 2.7.13 and Puppet Enterprise (PE) 1.2.x, 2.0.x, and 2.5.x before 2.5.1 allows local users to overwrite arbitrary files via a symlink attack on the NET::Telnet connection log (/tmp/out.log).

Frequently asked questions

What is CVE-2012-1989?: telnet.rb in Puppet 2.7.x before 2.7.13 and Puppet Enterprise (PE) 1.2.x, 2.0.x, and 2.5.x before 2.5.1 allows local users to overwrite arbitrary files via a symlink attack on the NET::Telnet connection log (/tmp/out.log).
How severe is CVE-2012-1989?: CVE-2012-1989 has a CVSS 2.0 base score of 3.6, rated low severity.
Is CVE-2012-1989 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-1989?: CVE-2012-1989 primarily affects Puppet. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-1989?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-1989 published?: CVE-2012-1989 was published on 2012-06-27 and last updated on 2026-06-16.

References

Affected products (20)

cpe:2.3:a:puppet:puppet:2.7.3:*:*:*:*:*:*:*
cpe:2.3:a:puppet:puppet:2.7.4:*:*:*:*:*:*:*
cpe:2.3:a:puppet:puppet:2.7.5:*:*:*:*:*:*:*
cpe:2.3:a:puppet:puppet:2.7.6:*:*:*:*:*:*:*
cpe:2.3:a:puppet:puppet:2.7.8:*:*:*:*:*:*:*
cpe:2.3:a:puppet:puppet:2.7.9:*:*:*:*:*:*:*
cpe:2.3:a:puppet:puppet:2.7.10:*:*:*:*:*:*:*
cpe:2.3:a:puppet:puppet:2.7.11:*:*:*:*:*:*:*
cpe:2.3:a:puppet:puppet:2.7.12:*:*:*:*:*:*:*
cpe:2.3:a:puppetlabs:puppet:2.7.0:*:*:*:*:*:*:*
cpe:2.3:a:puppetlabs:puppet:2.7.1:*:*:*:*:*:*:*
cpe:2.3:a:puppet:puppet_enterprise:1.2.0:*:*:*:*:*:*:*
cpe:2.3:a:puppet:puppet_enterprise:1.2.1:*:*:*:*:*:*:*
cpe:2.3:a:puppet:puppet_enterprise:1.2.2:*:*:*:*:*:*:*
cpe:2.3:a:puppet:puppet_enterprise:1.2.3:*:*:*:*:*:*:*
cpe:2.3:a:puppet:puppet_enterprise:1.2.4:*:*:*:*:*:*:*
cpe:2.3:a:puppet:puppet_enterprise:2.0.0:*:*:*:*:*:*:*
cpe:2.3:a:puppet:puppet_enterprise:2.0.1:*:*:*:*:*:*:*
cpe:2.3:a:puppet:puppet_enterprise:2.0.2:*:*:*:*:*:*:*
cpe:2.3:a:puppet:puppet_enterprise:2.5.0:*:*:*:*:*:*:*

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