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CTI Interest Score
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A vulnerability classified as critical has been found in Docker docker-py 0.5.3 (Virtualization Software). This affects an unknown function. The manipulation with an unknown input leads to a code vulnerability. CWE is classifying the issue as CWE-17. This is going to have an impact on confidentiality. The summary by CVE is:

Docker before 1.3.1 and docker-py before 0.5.3 fall back to HTTP when the HTTPS connection to the registry fails, which allows man-in-the-middle attackers to conduct downgrade attacks and obtain authentication and image data by leveraging a network position between the client and the registry to block HTTPS traffic.

The weakness was released 11/17/2014 (Website). It is possible to read the advisory at This vulnerability is uniquely identified as CVE-2014-5277 since 08/16/2014. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 79241 (openSUSE Security Update : docker / go (openSUSE-SU-2014:1411-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 115190 (Docker SSL/TLS Multiple Security Vulnerabilities).

Upgrading to version 0.5.3 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (79241).






CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍



VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍


Class: Code
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 79241
Nessus Name: openSUSE Security Update : docker / go (openSUSE-SU-2014:1411-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍


Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: docker-py 0.5.3


08/16/2014 🔍
11/14/2014 +90 days 🔍
11/17/2014 +3 days 🔍
11/17/2014 +0 days 🔍
11/17/2014 +0 days 🔍
12/02/2014 +15 days 🔍
03/27/2015 +115 days 🔍
04/04/2022 +2565 days 🔍


Status: Not defined
Confirmation: 🔍

CVE: CVE-2014-5277 (🔍)
Vulnerability Center: 47361 - Docker Before 1.3.1 and docker-py Module Remote Information Disclosure by Blocking HTTPS Traffic, Medium

scip Labs:


Created: 03/27/2015 02:56 PM
Updated: 04/04/2022 08:32 AM
Changes: 03/27/2015 02:56 PM (62), 06/13/2017 08:40 AM (2), 04/04/2022 08:32 AM (3)
Complete: 🔍


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