Juniper Junos OS prior 22.2R2 IPv6 Packet unusual condition

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Juniper Junos OS. This impacts an unknown function of the component IPv6 Packet Handler. This manipulation causes unusual condition. This vulnerability appears as CVE-2023-28979. The attacker needs to be present on the local network. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Juniper Junos OS (Router Operating System). It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the component IPv6 Packet Handler. The manipulation with an unknown input leads to a unusual condition vulnerability. The CWE definition for the vulnerability is CWE-754. The product does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the product. As an impact it is known to affect integrity, and availability. The summary by CVE is:

An Improper Check for Unusual or Exceptional Conditions vulnerability in the kernel of Juniper Networks Junos OS allows an adjacent unauthenticated attacker to bypass an integrity check. In a 6PE scenario and if an additional integrity check is configured, it will fail to drop specific malformed IPv6 packets, and then these packets will be forwarded to other connected networks. This issue affects Juniper Networks Junos OS: All versions prior to 19.3R3-S7; 19.4 versions prior to 19.4R3-S9; 20.2 versions prior to 20.2R3-S7; 20.3 versions prior to 20.3R3-S5; 20.4 versions prior to 20.4R3-S4; 21.1 versions prior to 21.1R3-S3; 21.2 versions prior to 21.2R3-S2; 21.3 versions prior to 21.3R3-S1; 21.4 versions prior to 21.4R2-S1, 21.4R3; 22.1 versions prior to 22.1R2; 22.2 versions prior to 22.2R2.

The weakness was presented 04/18/2023 as JSA70604. The advisory is shared at supportportal.juniper.net. This vulnerability is known as CVE-2023-28979 since 03/29/2023. Neither technical details nor an exploit are publicly available.

Upgrading to version 19.3R3-S7, 19.4, 19.4R3-S9, 20.2, 20.2R3-S7, 20.3, 20.3R3-S5, 20.4, 20.4R3-S4, 21.1, 21.1R3-S3, 21.2, 21.2R3-S2, 21.3, 21.3R3-S1, 21.4, 21.4R2-S1, 21.4R3, 22.1, 22.1R2, 22.2 or 22.2R2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-32597). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.1
VulDB Meta Temp Score: 5.0

VulDB Base Score: 5.4
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 4.7
CNA Vector (Juniper Networks, Inc.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Unusual condition
CWE: CWE-754
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 19.3R3-S7/19.4/19.4R3-S9/20.2/20.2R3-S7/20.3/20.3R3-S5/20.4/20.4R3-S4/21.1/21.1R3-S3/21.2/21.2R3-S2/21.3/21.3R3-S1/21.4/21.4R2-S1/21.4R3/22.1/22.1R2/22.2/22.2R2

Timelineinfo

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

Sourcesinfo

Vendor: juniper.net

Advisory: JSA70604
Status: Confirmed

CVE: CVE-2023-28979 (🔍)
GCVE (CVE): GCVE-0-2023-28979
GCVE (VulDB): GCVE-100-226213
EUVD: 🔍

Entryinfo

Created: 04/18/2023 09:04
Updated: 12/08/2025 00:41
Changes: 04/18/2023 09:04 (50), 12/08/2025 00:41 (16)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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