OpenLambda 2019-09-10 REST API DNS Rebinding input validation

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability was found in OpenLambda 2019-09-10. It has been classified as critical. Affected is an unknown code of the component REST API. The manipulation with an unknown input leads to a input validation vulnerability (DNS Rebinding). CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

OpenLambda 2019-09-10 allows DNS rebinding attacks against the OL server for the REST API on TCP port 5000.

The weakness was released 01/03/2020. This vulnerability is traded as CVE-2019-20329 since 01/02/2020. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

It is possible to mitigate the weakness by firewalling tcp/5000.

Entries connected to this vulnerability are available at VDB-255095, VDB-255098, VDB-255667 and VDB-256812.




CPE 2.3info

CPE 2.2info


VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.1

VulDB Base Score: 6.3
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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Name: DNS Rebinding
Class: Input validation / DNS Rebinding

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Threat Intelligenceinfo

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


Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Firewalling: 🔍


01/02/2020 🔍
01/03/2020 +1 days 🔍
01/03/2020 +0 days 🔍
03/19/2024 +1537 days 🔍


Advisory: 92
Status: Not defined

CVE: CVE-2019-20329 (🔍)
See also: 🔍


Created: 01/03/2020 11:06 AM
Updated: 03/19/2024 10:04 AM
Changes: 01/03/2020 11:06 AM (37), 01/03/2020 11:11 AM (17), 03/19/2024 10:04 AM (19)
Complete: 🔍
Cache ID: 44:E79:40


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