Juniper Junos OS Evolved prior 23.4R1-S1-EVO Tunnel Driver denial of service

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.
5.6$0-$5k0.00

Summaryinfo

A vulnerability has been found in Juniper Junos OS Evolved and classified as critical. Impacted is an unknown function of the component Tunnel Driver. Performing a manipulation results in denial of service. This vulnerability is cataloged as CVE-2024-21590. The attack must originate from the local network. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Juniper Junos OS Evolved. It has been classified as critical. This affects an unknown part of the component Tunnel Driver. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. The summary by CVE is:

An Improper Input Validation vulnerability in Juniper Tunnel Driver (jtd) and ICMP module of Juniper Networks Junos OS Evolved allows an unauthenticated attacker within the MPLS administrative domain to send specifically crafted packets to the Routing Engine (RE) to cause a Denial of Service (DoS).  When specifically crafted transit MPLS IPv4 packets are received by the Packet Forwarding Engine (PFE), these packets are internally forwarded to the RE. Continued receipt of these packets may create a sustained Denial of Service (DoS) condition. This issue affects Juniper Networks Junos OS: * All versions before 21.2R3-S8-EVO; * from 21.4-EVO before 21.4R3-S6-EVO; * from 22.2-EVO before 22.2R3-S4-EVO; * from 22.3-EVO before 22.3R3-S3-EVO; * from 22.4-EVO before 22.4R3-EVO; * from 23.2-EVO before 23.2R2-EVO. * from 23.4-EVO before 23.4R1-S1-EVO.

The advisory is shared at supportportal.juniper.net. This vulnerability is uniquely identified as CVE-2024-21590 since 12/27/2023. The exploitability is told to be difficult. The attack needs to be done within the local network. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

Upgrading to version 21.2R3-S8-EVO, 21.4R3-S6-EVO, 22.2R3-S4-EVO, 22.3R3-S3-EVO, 22.4R3-EVO, 23.2R2-EVO or 23.4R1-S1-EVO eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔍
CNA CVSS-BT Score: 🔍
CNA Vector: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.6

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

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

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Junos OS Evolved 21.2R3-S8-EVO/21.4R3-S6-EVO/22.2R3-S4-EVO/22.3R3-S3-EVO/22.4R3-EVO/23.2R2-EVO/23.4R1-S1-EVO

Timelineinfo

12/27/2023 🔍
04/12/2024 +106 days 🔍
04/12/2024 +0 days 🔍
01/23/2025 +286 days 🔍

Sourcesinfo

Vendor: juniper.net

Advisory: JSA75728
Status: Confirmed

CVE: CVE-2024-21590 (🔍)
GCVE (CVE): GCVE-0-2024-21590
GCVE (VulDB): GCVE-100-260529

Entryinfo

Created: 04/12/2024 17:28
Updated: 01/23/2025 16:52
Changes: 04/12/2024 17:28 (65), 01/23/2025 16:52 (25)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to know what is going to be exploited?

We predict KEV entries!