VDB-132035 · CVE-2019-6970 · Nessus 261353

Moodle 3.5.0/3.5.1/3.5.2/3.5.3 server-side request forgery

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.1	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Moodle 3.5.0/3.5.1/3.5.2/3.5.3. This affects an unknown part. The manipulation leads to server-side request forgery. This vulnerability is referenced as CVE-2019-6970. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Moodle 3.5.0/3.5.1/3.5.2/3.5.3 (Learning Management Software) and classified as critical. This issue affects an unknown functionality. The manipulation with an unknown input leads to a server-side request forgery vulnerability. Using CWE to declare the problem leads to CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Moodle 3.5.x before 3.5.4 allows SSRF.

The bug was discovered 01/25/2019. The weakness was published 03/21/2019. The identification of this vulnerability is CVE-2019-6970 since 01/25/2019. The attack may be initiated remotely. The successful exploitation needs a simple authentication. The technical details are unknown and an exploit is not publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 55 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 261353 (Linux Distros Unpatched Vulnerability : CVE-2019-6970), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 3.5.4 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (261353). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Learning Management Software

Name

Moodle

Version

License

open-source

Website

Product: https://moodle.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.1

VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Server-side request forgery
CWE: CWE-918
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 261353
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2019-6970

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Moodle 3.5.4

Timelineinfo

01/25/2019 🔍
01/25/2019 +0 days 🔍
03/21/2019 +55 days 🔍
03/22/2019 +1 days 🔍
09/08/2025 +2362 days 🔍

Sourcesinfo

Product: moodle.org

Advisory: excellium-services.com
Status: Confirmed

CVE: CVE-2019-6970 (🔍)
GCVE (CVE): GCVE-0-2019-6970
GCVE (VulDB): GCVE-100-132035

Entryinfo

Created: 03/22/2019 08:50
Updated: 09/08/2025 18:25
Changes: 03/22/2019 08:50 (54), 05/18/2020 17:28 (1), 08/04/2023 08:55 (4), 05/30/2025 18:49 (17), 09/08/2025 18:25 (2)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.