How severe is CVE-2012-4026?

CVE-2012-4026 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2012-4026 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-4026?

CVE-2012-4026 primarily affects Johnsoncontrols Pegasys P2000 Server Software. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-4026?

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

When was CVE-2012-4026 published?

CVE-2012-4026 was published on 2012-07-16 and last updated on 2026-06-16.

CVE-2012-4026

CVE-2012-4026 is a medium-severity vulnerability in Johnsoncontrols Pegasys P2000 Server Software with a CVSS 2.0 base score of 5.0. 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 5.0)
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Johnsoncontrols Pegasys P2000 Server Software
Published: 2012-07-16
Last modified: 2026-06-16

Description

The Johnson Controls Pegasys P2000 server with software before 3.11 allows remote attackers to trigger false alerts via crafted packets to TCP port 41013 (aka the upload port), a different vulnerability than CVE-2012-2607.

Frequently asked questions

What is CVE-2012-4026?: The Johnson Controls Pegasys P2000 server with software before 3.11 allows remote attackers to trigger false alerts via crafted packets to TCP port 41013 (aka the upload port), a different vulnerability than CVE-2012-2607.
How severe is CVE-2012-4026?: CVE-2012-4026 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2012-4026 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-4026?: CVE-2012-4026 primarily affects Johnsoncontrols Pegasys P2000 Server Software. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-4026?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-4026 published?: CVE-2012-4026 was published on 2012-07-16 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:johnsoncontrols:pegasys_p2000_server_software:*:*:*:*:*:*:*:*
cpe:2.3:h:johnsoncontrols:pegasys_p2000_server:-:*:*:*:*:*:*:*

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