Juniper Junos OS up to 23.2R1-S2 pkid unusual condition

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Juniper Junos OS up to 23.2R1-S2. This affects an unknown part of the component pkid. Executing a manipulation can lead to unusual condition. This vulnerability appears as CVE-2024-30397. The attack may be performed from remote. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Juniper Junos OS up to 23.2R1-S2. It has been declared as critical. This vulnerability affects an unknown functionality of the component pkid. 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 availability. CVE summarizes:

An Improper Check for Unusual or Exceptional Conditions vulnerability in the the Public Key Infrastructure daemon (pkid) of Juniper Networks Junos OS allows an unauthenticated networked attacker to cause Denial of Service (DoS). The pkid is responsible for the certificate verification. Upon a failed verification, the pkid uses all CPU resources and becomes unresponsive to future verification attempts. This means that all subsequent VPN negotiations depending on certificate verification will fail. This CPU utilization of pkid can be checked using this command:   root@srx> show system processes extensive | match pkid   xxxxx  root  103  0  846M  136M  CPU1  1 569:00 100.00% pkid This issue affects: Juniper Networks Junos OS All versions prior to 20.4R3-S10; 21.2 versions prior to 21.2R3-S7; 21.4 versions prior to 21.4R3-S5; 22.1 versions prior to 22.1R3-S4; 22.2 versions prior to 22.2R3-S3; 22.3 versions prior to 22.3R3-S1; 22.4 versions prior to 22.4R3; 23.2 versions prior to 23.2R1-S2, 23.2R2.

The advisory is shared for download at supportportal.juniper.net. This vulnerability was named CVE-2024-30397 since 03/26/2024. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. 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 04/29/2026).

The vulnerability scanner Nessus provides a plugin with the ID 310764 (Juniper Junos OS Vulnerability (JSA79179)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 20.4R3-S10, 21.2R3-S7, 21.4R3-S5, 22.1R3-S4, 22.2R3-S3, 22.3R3-S1, 22.4R3, 23.2R1-S2 or 23.2R2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (310764). Once again VulDB remains the best source for vulnerability data.

Productinfo

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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: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (Juniper Networks, Inc.): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 310764
Nessus Name: Juniper Junos OS Vulnerability (JSA79179)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Junos OS 20.4R3-S10/21.2R3-S7/21.4R3-S5/22.1R3-S4/22.2R3-S3/22.3R3-S1/22.4R3/23.2R1-S2/23.2R2

Timelineinfo

03/26/2024 🔍
04/12/2024 +16 days 🔍
04/12/2024 +0 days 🔍
04/29/2026 +747 days 🔍

Sourcesinfo

Vendor: juniper.net

Advisory: JSA79179
Status: Confirmed

CVE: CVE-2024-30397 (🔍)
GCVE (CVE): GCVE-0-2024-30397
GCVE (VulDB): GCVE-100-260548

Entryinfo

Created: 04/12/2024 17:45
Updated: 04/29/2026 12:49
Changes: 04/12/2024 17:45 (64), 05/22/2024 08:45 (1), 02/07/2025 04:48 (14), 04/29/2026 12:49 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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