Juniper Networks Junos OS Evolved prior 23.2R2-EVO aftmand resource consumption

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

Summaryinfo

A vulnerability was found in Juniper Networks Junos OS Evolved. It has been rated as problematic. Affected by this issue is some unknown functionality of the component aftmand. Performing a manipulation results in resource consumption. This vulnerability was named CVE-2024-39548. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, was found in Juniper Networks Junos OS Evolved. This affects an unknown function of the component aftmand. The manipulation with an unknown input leads to a resource consumption vulnerability. CWE is classifying the issue as CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. This is going to have an impact on availability. The summary by CVE is:

An Uncontrolled Resource Consumption vulnerability in the aftmand process of Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacker to consume memory resources, resulting in a Denial of Service (DoS) condition. The processes do not recover on their own and must be manually restarted. This issue affects both IPv4 and IPv6.  Changes in memory usage can be monitored using the following CLI command: user@device> show system memory node <fpc slot> | grep evo-aftmann This issue affects Junos OS Evolved:  * All versions before 21.2R3-S8-EVO,  * 21.3 versions before 21.3R3-S5-EVO,  * 21.4 versions before 21.4R3-S5-EVO,  * 22.1 versions before 22.1R3-S4-EVO,  * 22.2 versions before 22.2R3-S4-EVO, * 22.3 versions before 22.3R3-S3-EVO, * 22.4 versions before 22.4R2-S2-EVO, 22.4R3-EVO,  * 23.2 versions before 23.2R1-S1-EVO, 23.2R2-EVO.

The advisory is shared at supportportal.juniper.net. This vulnerability is uniquely identified as CVE-2024-39548 since 06/25/2024. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

Upgrading to version 21.2R3-S8-EVO, 21.3R3-S5-EVO, 21.4R3-S5-EVO, 22.1R3-S4-EVO, 22.2R3-S4, 22.3R3-S3-EVO, 22.4R2-S2-EVO, 22.4R3-EVO, 23.2R1-S1-EVO or 23.2R2-EVO eliminates this vulnerability.

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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: 7.3

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

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

CVSSv2info

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

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
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: 🔍

Upgrade: Junos OS Evolved 21.2R3-S8-EVO/21.3R3-S5-EVO/21.4R3-S5-EVO/22.1R3-S4-EVO/22.2R3-S4/22.3R3-S3-EVO/22.4R2-S2-EVO/22.4R3-EVO/23.2R1-S1-EVO/23.2R2-EVO

Timelineinfo

06/25/2024 🔍
07/11/2024 +16 days 🔍
07/11/2024 +0 days 🔍
01/23/2026 +561 days 🔍

Sourcesinfo

Advisory: JSA83010
Status: Confirmed

CVE: CVE-2024-39548 (🔍)
GCVE (CVE): GCVE-0-2024-39548
GCVE (VulDB): GCVE-100-271173

Entryinfo

Created: 07/11/2024 19:29
Updated: 01/23/2026 23:58
Changes: 07/11/2024 19:29 (78), 01/23/2026 23:58 (3)
Complete: 🔍
Cache ID: 216::103

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