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CVE-2016-1505

30
FAUCET Score

CVE-2016-1505 describes a critical path traversal vulnerability affecting Radicale before version 1.1 on Windows. This flaw allows unauthenticated remote attackers to read or write to arbitrary files on the system by crafting a malicious path in their requests. With a CVSS score of 10.0, this vulnerability presents a severe risk due to its network-based attack vector, low complexity, and high impact on confidentiality and integrity. Despite its critical severity, there is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.0.1CPE matchmatch criteria
cpe:2.3:a:radicale:radicale:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

10.0CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
5.8
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.59%
Probability of exploitation in next 30 days
EPSS Percentile
83.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0259 is in the 74th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
pippatch availablevia ghsa
Product: RadicaleFixed in: 1.1

Vendor Advisories (1)

pipGHSA-84cw-mxhv-qvv4critical

Radicale is vulnerable to directory traversal on Windows Filesystem Storage Backend component

May 17, 2022

References

github.com / Kozea/Radicale/pull/343
Patch
github.com / Unrud/Radicale/commit/b4b3d51f33c7623d312f289252dd7bbb8f58bbe6
openwall.com / lists/oss-security/2016/01/05/7
openwall.com / lists/oss-security/2016/01/06/4
openwall.com / lists/oss-security/2016/01/06/7
openwall.com / lists/oss-security/2016/01/07/7
securityfocus.com / bid/80255