VDB-145911 · CVE-2018-21031 · GCVE-0-2018-21031

Plex Media Server 1.18.2.2029-36236cc4c Access Control insufficiently protected credentials

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.
6.4	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Plex Media Server 1.18.2.2029-36236cc4c and classified as critical. The impacted element is an unknown function of the component Access Control. Performing a manipulation results in insufficiently protected credentials. This vulnerability is identified as CVE-2018-21031. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in Plex Media Server 1.18.2.2029-36236cc4c. This affects an unknown part of the component Access Control. The manipulation with an unknown input leads to a insufficiently protected credentials vulnerability. CWE is classifying the issue as CWE-522. The product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Plex Media Server 1.18.2.2029-36236cc4c allows remote attackers to bypass intended access control because X-Plex-Token is mishandled, and can be retrieved from Tautulli.

The weakness was released 11/18/2019. This vulnerability is uniquely identified as CVE-2018-21031 since 11/18/2019. The exploitability is told to be easy. It is possible to initiate the attack remotely. A authentication is necessary for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1552 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Plex Media Server

Version

1.18.2.2029-36236cc4c

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

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

NVD Base Score: 6.5
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: Insufficiently protected credentials
CWE: CWE-522
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/18/2019 🔍
11/18/2019 +0 days 🔍
11/19/2019 +1 days 🔍
02/23/2024 +1557 days 🔍

Sourcesinfo

Advisory: forums.plex.tv
Status: Not defined

CVE: CVE-2018-21031 (🔍)
GCVE (CVE): GCVE-0-2018-21031
GCVE (VulDB): GCVE-100-145911

Entryinfo

Created: 11/19/2019 06:36
Updated: 02/23/2024 14:30
Changes: 11/19/2019 06:36 (34), 11/19/2019 06:41 (17), 02/23/2024 14:30 (3)
Complete: 🔍
Cache ID: 216::103