Juniper Junos OS on EX4300 Unicast Frame memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.6$0-$5k0.00

Summaryinfo

A vulnerability has been found in Juniper Junos OS on EX4300 and classified as critical. The affected element is an unknown function of the component Unicast Frame Handler. The manipulation leads to memory corruption. This vulnerability is traded as CVE-2021-0242. Access to the local network is required for this attack to succeed. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Juniper Junos OS on EX4300 (Router Operating System) (the affected version unknown). This issue affects an unknown part of the component Unicast Frame Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is availability.

The weakness was shared 04/23/2021 as JSA11135. The advisory is shared at kb.juniper.net. The identification of this vulnerability is CVE-2021-0242. Neither technical details nor an exploit are publicly available.

Upgrading eliminates this vulnerability.

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Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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: 🔍

Timelineinfo

10/27/2020 🔍
04/23/2021 +177 days 🔍
04/23/2021 +0 days 🔍
04/29/2021 +6 days 🔍

Sourcesinfo

Vendor: juniper.net

Advisory: JSA11135
Status: Confirmed

CVE: CVE-2021-0242 (🔍)
GCVE (CVE): GCVE-0-2021-0242
GCVE (VulDB): GCVE-100-173729

Entryinfo

Created: 04/23/2021 07:02
Updated: 04/29/2021 08:21
Changes: 04/23/2021 07:02 (39), 04/27/2021 09:41 (5), 04/27/2021 09:42 (1), 04/29/2021 08:21 (18)
Complete: 🔍
Cache ID: 216::103

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