Juniper Networks Junos OS/Junos OS Evolved RPD assertion

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Juniper Networks Junos OS and Junos OS Evolved. Affected is an unknown function of the component RPD. Executing a manipulation can lead to assertion. This vulnerability is tracked as CVE-2026-102020. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability has been found in Juniper Networks Junos OS and Junos OS Evolved (affected version unknown) and classified as critical. This vulnerability affects an unknown functionality of the component RPD. The manipulation with an unknown input leads to a assertion vulnerability. The CWE definition for the vulnerability is CWE-617. The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary. As an impact it is known to affect availability. CVE summarizes:

A Reachable Assertion vulnerability in the rpd process of Juniper Networks Junos OS and Junos OS Evolved allows an authenticated network-based attacker to cause a denial of service via BGP-LS routing updates.

The advisory is shared for download at supportportal.juniper.net. This vulnerability was named CVE-2026-102020 since 09/28/2026. The exploitation appears to be easy. The attack can be initiated remotely. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/14/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.5
VulDB Temp Score: 7.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (juniper): 🔒

CVSSv2info

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

Exploitinginfo

Class: Assertion
CWE: CWE-617
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

09/28/2026 CVE reserved
10/14/2026 +16 days Advisory disclosed
10/14/2026 +0 days VulDB entry created
10/14/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: supportportal.juniper.net
Status: Confirmed

CVE: CVE-2026-102020 (🔒)
GCVE (CVE): GCVE-0-2026-102020
GCVE (VulDB): GCVE-100-420232

Entryinfo

Created: 10/14/2026 19:55
Changes: 10/14/2026 19:55 (77)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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