How severe is CVE-2012-0209?

CVE-2012-0209 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2012-0209 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 72% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-0209?

CVE-2012-0209 primarily affects Horde Groupware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-0209?

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-2012-0209 published?

CVE-2012-0209 was published on 2012-09-25 and last updated on 2026-06-16.

CVE-2012-0209

CVE-2012-0209 is a high-severity vulnerability in Horde Groupware with a CVSS 2.0 base score of 7.5. Its EPSS exploit-prediction score of 72% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-94.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 72% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Horde Groupware
Published: 2012-09-25
Last modified: 2026-06-16

Description

Horde 3.3.12, Horde Groupware 1.2.10, and Horde Groupware Webmail Edition 1.2.10, as distributed by FTP between November 2011 and February 2012, contains an externally introduced modification (Trojan Horse) in templates/javascript/open_calendar.js, which allows remote attackers to execute arbitrary PHP code.

Frequently asked questions

What is CVE-2012-0209?: Horde 3.3.12, Horde Groupware 1.2.10, and Horde Groupware Webmail Edition 1.2.10, as distributed by FTP between November 2011 and February 2012, contains an externally introduced modification (Trojan Horse) in templates/javascript/open_calendar.js, which allows remote attackers to execute arbitrary PHP code.
How severe is CVE-2012-0209?: CVE-2012-0209 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2012-0209 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 72% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-0209?: CVE-2012-0209 primarily affects Horde Groupware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-0209?: 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-2012-0209 published?: CVE-2012-0209 was published on 2012-09-25 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:a:horde:groupware:1.2.10:*:*:*:*:*:*:*
cpe:2.3:a:horde:groupware:1.2.10:*:webmail:*:*:*:*:*
cpe:2.3:a:horde:horde:3.3.12:*:*:*:*:*:*:*

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