Rclone
CVE-2018-12907
HIGH
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V14 - Data Protection Data exposure prevention
MITRE ATT&CK
2 techniques across 2 tactics: Collection, Discovery The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 7.5 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. |
| Exploit ScenarioDerived | A remote attacker could access sensitive data that should not be disclosed by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability. |
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Alert meAnalysisAI
In Rclone 1.42, use of "rclone sync" to migrate data between two Google Cloud Storage buckets might allow attackers to trigger the transmission of any URL's content to Google, because there is no. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Minimize information in error messages, implement proper access controls, encrypt sensitive data at rest and in transit.
Affects your stack
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Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Exposure of Sensitive Information (CWE-200), which allows attackers to access sensitive data that should not be disclosed. In Rclone 1.42, use of "rclone sync" to migrate data between two Google Cloud Storage buckets might allow attackers to trigger the transmission of any URL's content to Google, because there is no validation of a URL field received from the Google Cloud Storage API server, aka a "RESTLESS" issue. Affected products include: Rclone.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
In Rclone 1.42, use of "rclone sync" to migrate data between two Google Cloud Storage buckets might allow attackers to trigger the transmission of any URL's content to Google, because there is no validation of a URL field received from the Google Cloud Storage API server, aka a "RESTLESS" issue.
Threat Intelligence Overview
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.
Affected Products (CPE)NVD
Authentication bypass in rclone's S3 server mode (rclone serve s3) allows any unauthenticated network attacker to impers
PowerShell smart-quote filename injection in rclone's SFTP backend allows an attacker who controls remote filenames to e
An issue was discovered in Rclone before 1.53.3. Rated high severity (CVSS 7.5), this vulnerability is remotely exploita
Cross-session credential isolation failure in rclone's FTP auth-proxy driver (versions 1.64.0-1.75.0) allows an authenti
Symlink escape in rclone's local backend (prior to v1.75.1) allows an attacker who controls sync source contents to appl
FTP CRLF injection in rclone before 1.75.0 allows an attacker who can place crafted filenames in a source namespace to i
Path traversal (Zip Slip class) in rclone's archive ZIP backend permits arbitrary file writes outside the intended desti
Denial of service in rclone prior to 1.75.1 allows unauthenticated remote attackers to crash individual HTTP or WebDAV c
Path traversal in rclone prior to 1.75.1 allows an attacker who can populate a source object store with raw `..` key seg
Cleartext disclosure of AWS STS session tokens affects rclone before 1.74.4 when its S3 backend follows a redirect that
Authentication/authorization bypass in rclone's dynamic serve interface (versions 1.70.0 through 1.75.0) lets remote att
Path traversal in the `rclone serve restic --private-repos` REST server (versions prior to 1.74.4) allows an authenticat
NVD
CVE.org
EPSS
GitHub PoC
Exploit-DB