Juniper Junos OS on JRR200 improper check or handling of exceptional conditions

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Juniper Junos OS on JRR200. Affected by this issue is some unknown functionality. Performing a manipulation results in improper check or handling of exceptional conditions. This vulnerability is reported as CVE-2023-28970. The attacker must have access to the local network to execute the attack. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Juniper Junos OS on JRR200 (Router Operating System) (affected version unknown). This affects an unknown functionality. The manipulation with an unknown input leads to a improper check or handling of exceptional conditions vulnerability. CWE is classifying the issue as CWE-703. The product does not properly anticipate or handle exceptional conditions that rarely occur during normal operation of the product. This is going to have an impact on availability. The summary by CVE is:

An Improper Check or Handling of Exceptional Conditions vulnerability in packet processing on the network interfaces of Juniper Networks Junos OS on JRR200 route reflector appliances allows an adjacent, network-based attacker sending a specific packet to the device to cause a kernel crash, resulting in a Denial of Service (DoS). Continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition. This issue can only be triggered by an attacker on the local broadcast domain. Packets routed to the device are unable to trigger this crash. This issue affects Juniper Networks Junos OS on JRR200: All versions prior to 21.2R3-S4; 21.3 versions prior to 21.3R3-S4; 21.4 versions prior to 21.4R3-S3; 22.1 versions prior to 22.1R3-S1; 22.2 versions prior to 22.2R2-S2, 22.2R3; 22.3 versions prior to 22.3R1-S2, 22.3R2; 22.4 versions prior to 22.4R1-S1, 22.4R2.

The weakness was disclosed 04/18/2023 as JSA70594. It is possible to read the advisory at supportportal.juniper.net. This vulnerability is uniquely identified as CVE-2023-28970 since 03/29/2023. The technical details are unknown and an exploit is not publicly available.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-32588). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 6.0

VulDB Base Score: 5.7
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 6.5
CNA Vector (Juniper Networks, Inc.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Improper check or handling of exceptional conditions
CWE: CWE-703
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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: 🔍

Timelineinfo

03/29/2023 🔍
04/18/2023 +20 days 🔍
04/18/2023 +0 days 🔍
12/08/2025 +964 days 🔍

Sourcesinfo

Vendor: juniper.net

Advisory: JSA70594
Status: Confirmed

CVE: CVE-2023-28970 (🔍)
GCVE (CVE): GCVE-0-2023-28970
GCVE (VulDB): GCVE-100-226227
EUVD: 🔍

Entryinfo

Created: 04/18/2023 10:42
Updated: 12/08/2025 00:12
Changes: 04/18/2023 10:42 (49), 12/08/2025 00:12 (16)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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