Juniper Junos OS prior 22.2R2 Missing missing values

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Juniper Junos OS. It has been classified as critical. This affects an unknown part of the component Missing Handler. The manipulation leads to improper handling of missing values. This vulnerability is uniquely identified as CVE-2023-1697. The attack can only be initiated within the local network. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Juniper Junos OS (Router Operating System). This issue affects an unknown code block of the component Missing Handler. The manipulation with an unknown input leads to a improper handling of missing values vulnerability. Using CWE to declare the problem leads to CWE-230. The product does not handle or incorrectly handles when a parameter, field, or argument name is specified, but the associated value is missing, i.e. it is empty, blank, or null. Impacted is availability. The summary by CVE is:

An Improper Handling of Missing Values vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS allows an adjacent, unauthenticated attacker to cause a dcpfe process core and thereby a Denial of Service (DoS). Continued receipt of these specific frames will cause a sustained Denial of Service condition. This issue occurs when a specific malformed ethernet frame is received. This issue affects Juniper Networks Junos OS on QFX10000 Series, PTX1000 Series Series: All versions prior to 19.4R3-S10; 20.1 version 20.1R1 and later versions; 20.2 versions prior to 20.2R3-S6; 20.3 versions prior to 20.3R3-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-S3; 21.4 versions prior to 21.4R3-S1; 22.1 versions prior to 22.1R2-S1, 22.1R3; 22.2 versions prior to 22.2R1-S2, 22.2R2.

The weakness was disclosed 04/18/2023 as JSA70612. The advisory is shared at supportportal.juniper.net. The identification of this vulnerability is CVE-2023-1697 since 03/29/2023. Neither technical details nor an exploit are publicly available.

Upgrading to version 19.4R3-S1, 20.1, 20.1R1, 20.2, 20.2R3-S6, 20.3, 20.3R3-S6, 20.4, 20.4R3-S5, 21.1, 21.1R3-S4, 21.2, 21.2R3-S3, 21.3, 21.3R3-S3, 21.4, 21.4R3-S1, 22.1, 22.1R2-S1, 22.1R3, 22.2, 22.2R1-S2 or 22.2R2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-23925). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.3

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

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

CVSSv2info

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

Exploitinginfo

Class: Improper handling of missing values
CWE: CWE-230 / CWE-229 / CWE-20
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: 🔍

Upgrade: Junos OS 19.4R3-S1/20.1/20.1R1/20.2/20.2R3-S6/20.3/20.3R3-S6/20.4/20.4R3-S5/21.1/21.1R3-S4/21.2/21.2R3-S3/21.3/21.3R3-S3/21.4/21.4R3-S1/22.1/22.1R2-S1/22.1R3/22.2/22.2R1-S2/22.2R2

Timelineinfo

03/29/2023 🔍
04/18/2023 +20 days 🔍
04/18/2023 +0 days 🔍
08/12/2025 +847 days 🔍

Sourcesinfo

Vendor: juniper.net

Advisory: JSA70612
Status: Confirmed

CVE: CVE-2023-1697 (🔍)
GCVE (CVE): GCVE-0-2023-1697
GCVE (VulDB): GCVE-100-226217
EUVD: 🔍

Entryinfo

Created: 04/18/2023 09:26
Updated: 08/12/2025 04:31
Changes: 04/18/2023 09:26 (50), 08/12/2025 04:31 (16)
Complete: 🔍
Cache ID: 216::103

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

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