Juniper Junos OS prior 21.4R2 on QFX10002 improper check or handling of exceptional conditions

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Juniper Junos OS on QFX10002. Impacted is an unknown function. Such manipulation leads to improper check or handling of exceptional conditions. This vulnerability is referenced as CVE-2023-28965. The attack needs to be initiated within the local network. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Juniper Junos OS on QFX10002 (Router Operating System) and classified as critical. Affected by this issue is an unknown functionality. The manipulation with an unknown input leads to a improper check or handling of exceptional conditions vulnerability. Using CWE to declare the problem leads to CWE-703. The product does not properly anticipate or handle exceptional conditions that rarely occur during normal operation of the product. Impacted is availability. CVE summarizes:

An Improper Check or Handling of Exceptional Conditions within the storm control feature of Juniper Networks Junos OS allows an attacker sending a high rate of traffic to cause a Denial of Service. Continued receipt and processing of these packets will create a sustained Denial of Service (DoS) condition. Storm control monitors the level of applicable incoming traffic and compares it with the level specified. If the combined level of the applicable traffic exceeds the specified level, the switch drops packets for the controlled traffic types. This issue affects Juniper Networks Junos OS on QFX10002: All versions prior to 19.3R3-S7; 19.4 versions prior to 19.4R3-S11; 20.2 versions prior to 20.2R3-S6; 20.4 versions prior to 20.4R3-S5; 21.1 versions prior to 21.1R3-S4; 21.2 versions prior to 21.2R3-S3; 21.3 versions prior to 21.3R3; 21.4 versions prior to 21.4R2.

The weakness was published 04/18/2023 as JSA70589. The advisory is shared for download at supportportal.juniper.net. This vulnerability is handled as CVE-2023-28965 since 03/29/2023. There are neither technical details nor an exploit publicly available.

Upgrading to version 19.3R3-S7, 19.4, 19.4R3-S1, 20.2, 20.2R3-S6, 20.4, 20.4R3-S5, 21.1, 21.1R3-S4, 21.2, 21.2R3-S3, 21.3, 21.3R3, 21.4 or 21.4R2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-32583). Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.7

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

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: 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: Junos OS 19.3R3-S7/19.4/19.4R3-S1/20.2/20.2R3-S6/20.4/20.4R3-S5/21.1/21.1R3-S4/21.2/21.2R3-S3/21.3/21.3R3/21.4/21.4R2

Timelineinfo

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

Sourcesinfo

Vendor: juniper.net

Advisory: JSA70589
Status: Confirmed

CVE: CVE-2023-28965 (🔍)
GCVE (CVE): GCVE-0-2023-28965
GCVE (VulDB): GCVE-100-226220
EUVD: 🔍

Entryinfo

Created: 04/18/2023 10:26
Updated: 12/08/2025 00:12
Changes: 04/18/2023 10:26 (50), 05/05/2023 16:50 (11), 12/08/2025 00:12 (16)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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