VDB-247579 · CVE-2018-16153 · GCVE-0-2018-16153

Apereo Opencast up to 10.5 improper authentication

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.
5.2	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Apereo Opencast up to 10.5 and classified as critical. This affects an unknown part. This manipulation causes improper authentication. The identification of this vulnerability is CVE-2018-16153. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Apereo Opencast up to 10.5. It has been declared as problematic. Affected by this vulnerability is an unknown part. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality. The summary by CVE is:

An issue was discovered in Apereo Opencast 4.x through 10.x before 10.6. It sends system digest credentials during authentication attempts to arbitrary external services in some situations.

The weakness was shared 12/12/2023. It is possible to read the advisory at apereo.org. This vulnerability is known as CVE-2018-16153 since 08/29/2018. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 10.6 eliminates this vulnerability.

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

Productinfo

Vendor

Apereo

Name

Opencast

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
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: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Opencast 10.6
Patch: github.com

Timelineinfo

08/29/2018 🔍
12/12/2023 +1931 days 🔍
12/12/2023 +0 days 🔍
05/28/2025 +533 days 🔍

Sourcesinfo

Advisory: 776d5588f39c61eb04c03bb955416c4f77629d51
Status: Confirmed

CVE: CVE-2018-16153 (🔍)
GCVE (CVE): GCVE-0-2018-16153
GCVE (VulDB): GCVE-100-247579

Entryinfo

Created: 12/12/2023 18:14
Updated: 05/28/2025 05:07
Changes: 12/12/2023 18:14 (39), 01/02/2024 14:52 (2), 01/02/2024 14:56 (11), 05/28/2025 05:07 (16)
Complete: 🔍
Cache ID: 216::103