How severe is CVE-2017-7413?

CVE-2017-7413 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-7413 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 40% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-7413?

CVE-2017-7413 affects Horde Groupware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-7413?

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-2017-7413 published?

CVE-2017-7413 was published on 2017-04-04 and last updated on 2026-06-17.

CVE-2017-7413

CVE-2017-7413 is a high-severity vulnerability in Horde Groupware with a CVSS 3.x base score of 8.8. Its EPSS exploit-prediction score of 40% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-78.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
EPSS exploit prediction: 40% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Horde Groupware
Published: 2017-04-04
Last modified: 2026-06-17

Description

In Horde_Crypt before 2.7.6, as used in Horde Groupware Webmail Edition through 5.2.17, OS Command Injection can occur if the attacker is an authenticated Horde Webmail user, has PGP features enabled in their preferences, and attempts to encrypt an email addressed to a maliciously crafted email address.

Frequently asked questions

What is CVE-2017-7413?: In Horde_Crypt before 2.7.6, as used in Horde Groupware Webmail Edition through 5.2.17, OS Command Injection can occur if the attacker is an authenticated Horde Webmail user, has PGP features enabled in their preferences, and attempts to encrypt an email addressed to a maliciously crafted email address.
How severe is CVE-2017-7413?: CVE-2017-7413 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-7413 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 40% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-7413?: CVE-2017-7413 affects Horde Groupware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-7413?: 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-2017-7413 published?: CVE-2017-7413 was published on 2017-04-04 and last updated on 2026-06-17.

References

Affected products (1)

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

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