Juniper Junos OS/Junos OS Evolved ARP Policer toctou

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Juniper Junos OS and Junos OS Evolved. This affects an unknown function of the component ARP Policer. This manipulation causes toctou. This vulnerability is tracked as CVE-2021-0289. The attack is possible to be carried out remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Juniper Junos OS and Junos OS Evolved (Router Operating System) (affected version not known). It has been declared as problematic. Affected by this vulnerability is some unknown functionality of the component ARP Policer. The manipulation with an unknown input leads to a toctou vulnerability. The CWE definition for the vulnerability is CWE-367. The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the product to perform invalid actions when the resource is in an unexpected state. As an impact it is known to affect availability.

The weakness was disclosed 07/16/2021 as JSA11191. It is possible to read the advisory at kb.juniper.net. This vulnerability is known as CVE-2021-0289. The technical details are unknown and an exploit is not publicly available.

Upgrading eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.7

VulDB Base Score: 5.9
VulDB Temp Score: 5.7
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: Toctou
CWE: CWE-367 / CWE-362
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 🔍
07/16/2021 +261 days 🔍
07/16/2021 +0 days 🔍
07/19/2021 +3 days 🔍

Sourcesinfo

Vendor: juniper.net

Advisory: JSA11191
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-0289 (🔍)
GCVE (CVE): GCVE-0-2021-0289
GCVE (VulDB): GCVE-100-178747

Entryinfo

Created: 07/16/2021 09:22
Updated: 07/19/2021 09:27
Changes: 07/16/2021 09:22 (19), 07/16/2021 09:23 (19), 07/19/2021 09:25 (3), 07/19/2021 09:27 (1)
Complete: 🔍
Cache ID: 216::103

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