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.

Published: 2016-02-03 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2015-8747 is rated High Risk (71/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 2.94%). Core evidence: EPSS rose +1.14% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2015-8747

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 1.81% 2.94% +1.14%
2 2025-07-07 1.71% 1.81% +0.10%
3 2025-03-30 1.71%

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-8747

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 3.0 CRITICAL
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:N)
Service keeps running; no real outage angle.
3.9 5.8 [email protected]
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 6.4 [email protected]

Weakness enumeration for CVE-2015-8747

GitHub Security Advisory for CVE-2015-8747

GHSA-fgqv-96v9-w23m · Severity: critical · Ecosystem: pip — Radicale vulnerable to arbitrary file read or write

OS Trackers for CVE-2015-8747

vendor priority summary link
debian not yet assigned CVE-2015-8747 not yet assigned priority: Debian including 1 source packages (radicale), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2015-8747
ubuntu medium CVE-2015-8747 medium priority: Ubuntu including 1 source packages (radicale), 12 status rows across 12 suites (artful, bionic, cosmic, disco, precise, trusty, upstream, vivid, wily, xenial, yakkety, zesty): ignored 5, not-affected 4, released 2, DNE 1. https://ubuntu.com/security/CVE-2015-8747

Affected software / configurations for CVE-2015-8747

Vendor Product Version Raw CPE
radicale radicale <= 1.0.1 cpe:2.3:a:radicale:radicale:*:*:*:*:*:*:*:*

References for CVE-2015-8747

cvelogic Threat Intelligence