How severe is CVE-2017-15235?

CVE-2017-15235 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2017-15235 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-15235?

CVE-2017-15235 affects Horde Groupware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-15235?

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-2017-15235 published?

CVE-2017-15235 was published on 2017-10-11 and last updated on 2026-06-17.

CVE-2017-15235

CVE-2017-15235 is a high-severity vulnerability in Horde Groupware with a CVSS 3.x base score of 7.5. 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-425.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-425
Affected product: Horde Groupware
Published: 2017-10-11
Last modified: 2026-06-17

Description

The File Manager (gollem) module 3.0.11 in Horde Groupware 5.2.21 allows remote attackers to bypass Horde authentication for file downloads via a crafted fn parameter that corresponds to the exact filename.

Frequently asked questions

What is CVE-2017-15235?: The File Manager (gollem) module 3.0.11 in Horde Groupware 5.2.21 allows remote attackers to bypass Horde authentication for file downloads via a crafted fn parameter that corresponds to the exact filename.
How severe is CVE-2017-15235?: CVE-2017-15235 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2017-15235 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-15235?: CVE-2017-15235 affects Horde Groupware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-15235?: 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-2017-15235 published?: CVE-2017-15235 was published on 2017-10-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:horde:groupware:5.2.21:*:*:*:*:*:*:*

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