jumpserver up to 3.7.x Core API excessive authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability was found in jumpserver up to 3.7.x. It has been classified as problematic. This issue affects some unknown processing of the component Core API. The manipulation leads to excessive authentication. This vulnerability is traded as CVE-2023-46123. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in jumpserver up to 3.7.x. It has been rated as problematic. This issue affects an unknown code block of the component Core API. The manipulation with an unknown input leads to a excessive authentication vulnerability. Using CWE to declare the problem leads to CWE-307. The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame, making it more susceptible to brute force attacks. Impacted is confidentiality. The summary by CVE is:

jumpserver is an open source bastion machine, professional operation and maintenance security audit system that complies with 4A specifications. A flaw in the Core API allows attackers to bypass password brute-force protections by spoofing arbitrary IP addresses. By exploiting this vulnerability, attackers can effectively make unlimited password attempts by altering their apparent IP address for each request. This vulnerability has been patched in version 3.8.0.

The weakness was shared 10/25/2023 as GHSA-hvw4-766m-p89f. The advisory is shared at github.com. The identification of this vulnerability is CVE-2023-46123 since 10/16/2023. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1110.001 for this issue.

Upgrading to version 3.8.0 eliminates this vulnerability. The upgrade is hosted for download at github.com.

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Productinfo

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CNA Base Score: 5.3
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Excessive authentication
CWE: CWE-307 / CWE-799 / CWE-400
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: jumpserver 3.8.0

Timelineinfo

10/16/2023 🔍
10/25/2023 +9 days 🔍
10/25/2023 +0 days 🔍
03/25/2025 +517 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-hvw4-766m-p89f
Status: Confirmed

CVE: CVE-2023-46123 (🔍)
GCVE (CVE): GCVE-0-2023-46123
GCVE (VulDB): GCVE-100-243269

Entryinfo

Created: 10/25/2023 11:21
Updated: 03/25/2025 23:37
Changes: 10/25/2023 11:21 (41), 11/15/2023 17:10 (12), 03/25/2025 23:37 (27)
Complete: 🔍
Cache ID: 216::103

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