VDB-242088 · CVE-2023-23632 · CSNC-2022-018

BeyondTrust Privileged Remote Access 22.2.x/22.3.x/22.4.x BYOT Shell Jump Session 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.
7.4	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in BeyondTrust Privileged Remote Access 22.2.x/22.3.x/22.4.x. Affected by this vulnerability is an unknown functionality of the component BYOT Shell Jump Session Handler. The manipulation results in improper authentication. This vulnerability was named CVE-2023-23632. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in BeyondTrust Privileged Remote Access 22.2.x/22.3.x/22.4.x (Remote Access Software). It has been classified as critical. Affected is an unknown function of the component BYOT Shell Jump Session Handler. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

BeyondTrust Privileged Remote Access (PRA) versions 22.2.x to 22.4.x are vulnerable to a local authentication bypass. Attackers can exploit a flawed secret verification process in the BYOT shell jump sessions, allowing unauthorized access to jump items by guessing only the first character of the secret.

The weakness was presented 10/13/2023 as CSNC-2022-018. The advisory is shared for download at compass-security.com. This vulnerability is traded as CVE-2023-23632 since 01/16/2023. There are neither technical details nor an exploit publicly available.

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

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Remote Access Software

Vendor

BeyondTrust

Name

Privileged Remote Access

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
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: Partially
Local: Yes
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

01/16/2023 🔍
10/13/2023 +269 days 🔍
10/13/2023 +0 days 🔍
10/31/2023 +18 days 🔍

Sourcesinfo

Advisory: CSNC-2022-018
Status: Not defined

CVE: CVE-2023-23632 (🔍)
GCVE (CVE): GCVE-0-2023-23632
GCVE (VulDB): GCVE-100-242088

Entryinfo

Created: 10/13/2023 08:48
Updated: 10/31/2023 18:07
Changes: 10/13/2023 08:48 (40), 10/31/2023 18:07 (11)
Complete: 🔍
Cache ID: 216::103