Juniper Junos OS on EX sfid double free

CVSS Meta Temp Score
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CTI Interest Score
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4.1$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Juniper Junos OS on EX. Affected by this vulnerability is an unknown functionality of the component sfid. This manipulation causes double free. This vulnerability is tracked as CVE-2021-0271. The attack is only possible within the local network. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Juniper Junos OS on EX (Router Operating System) (version now known) and classified as problematic. Affected by this vulnerability is some unknown processing of the component sfid. The manipulation with an unknown input leads to a double free vulnerability. The CWE definition for the vulnerability is CWE-415. The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. As an impact it is known to affect availability.

The weakness was disclosed 04/23/2021 as JSA11162. It is possible to read the advisory at kb.juniper.net. This vulnerability is known as CVE-2021-0271. The technical details are unknown and an exploit is not publicly available.

Upgrading eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

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

CVSSv2info

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

Exploitinginfo

Class: Double free
CWE: CWE-415 / CWE-119
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

10/27/2020 🔍
04/23/2021 +177 days 🔍
04/23/2021 +0 days 🔍
04/27/2021 +4 days 🔍

Sourcesinfo

Vendor: juniper.net

Advisory: JSA11162
Status: Confirmed

CVE: CVE-2021-0271 (🔍)
GCVE (CVE): GCVE-0-2021-0271
GCVE (VulDB): GCVE-100-173767

Entryinfo

Created: 04/23/2021 07:55
Updated: 04/27/2021 13:59
Changes: 04/23/2021 07:55 (39), 04/27/2021 13:54 (5), 04/27/2021 13:59 (1)
Complete: 🔍
Cache ID: 216::103

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