Juniper Junos OS up to 21.2R3-S0/21.3R2/21.4R1 Packet Forwarding Engine null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Juniper Junos OS up to 21.2R3-S0/21.3R2/21.4R1. Affected is an unknown function of the component Packet Forwarding Engine. This manipulation causes null pointer dereference. This vulnerability is handled as CVE-2024-47501. It is possible to launch the attack on the local host. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Juniper Junos OS up to 21.2R3-S0/21.3R2/21.4R1. Affected by this vulnerability is an unknown code of the component Packet Forwarding Engine. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability. The summary by CVE is:

A NULL Pointer Dereference vulnerability in the packet forwarding engine (pfe) of Juniper Networks Junos OS on MX304, MX with MPC10/11/LC9600, and EX9200 with EX9200-15C allows a locally authenticated attacker with low privileges to cause a Denial of Service (DoS). In a VPLS or Junos Fusion scenario, the execution of specific show commands will cause all FPCs hosting VPLS sessions or connecting to satellites to crash and restart. This issue affects Junos on MX304, MX with MPC10/11/LC9600 and EX9200 with EX9200-15C:  * All version before 21.2R3-S1, * 21.3 versions before 21.3R3,  * 21.4 versions before 21.4R2.

The advisory is shared at supportportal.juniper.net. This vulnerability is known as CVE-2024-47501 since 09/25/2024. The exploitation appears to be easy. An attack has to be approached locally. Neither technical details nor an exploit are publicly available.

Upgrading to version 21.2R3-S1, 21.3R3 or 21.4R2 eliminates this vulnerability.

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

Productinfo

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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: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.5
CNA Vector (juniper): 🔍

CVSSv2info

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

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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: Junos OS 21.2R3-S1/21.3R3/21.4R2

Timelineinfo

09/25/2024 🔍
10/11/2024 +16 days 🔍
10/11/2024 +0 days 🔍
01/26/2026 +472 days 🔍

Sourcesinfo

Vendor: juniper.net

Advisory: JSA88131
Status: Confirmed

CVE: CVE-2024-47501 (🔍)
GCVE (CVE): GCVE-0-2024-47501
GCVE (VulDB): GCVE-100-280081

Entryinfo

Created: 10/11/2024 18:05
Updated: 01/26/2026 21:08
Changes: 10/11/2024 18:05 (81), 01/26/2026 21:08 (1)
Complete: 🔍
Cache ID: 216::103

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

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