How severe is CVE-2015-8747?

CVE-2015-8747 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2015-8747 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-8747?

CVE-2015-8747 affects Radicale. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-8747?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2015-8747 published?

CVE-2015-8747 was published on 2016-02-03 and last updated on 2026-06-17.

CVE-2015-8747

CVE-2015-8747 is a critical-severity vulnerability in Radicale with a CVSS 3.x base score of 10.0. 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: Critical (CVSS 3.x base score 10.0)
CVSS v2: 7.5
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Radicale
Published: 2016-02-03
Last modified: 2026-06-17

Description

The multifilesystem storage backend in Radicale before 1.1 allows remote attackers to read or write to arbitrary files via a crafted component name.

Frequently asked questions

What is CVE-2015-8747?: The multifilesystem storage backend in Radicale before 1.1 allows remote attackers to read or write to arbitrary files via a crafted component name.
How severe is CVE-2015-8747?: CVE-2015-8747 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2015-8747 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-8747?: CVE-2015-8747 affects Radicale. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-8747?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2015-8747 published?: CVE-2015-8747 was published on 2016-02-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:radicale:radicale:*:*:*:*:*:*:*:*

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