CVE-2024-39548

highpriority · track · 0EPSS 0.005 · 42 %ileDEEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.49% (42nd) EPSS

CVSS 7.5 · high

Is it mine?

28 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.9–7.5

v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · sirt@juniper.net USexploitability 3.9 · impact 3.6

v4.07.1highCVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/R:Usecondary · ENISA EU

v4.07.1highCVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:U/V:X/RE:X/U:Xsecondary · sirt@juniper.net US

v4.04.9mediumCVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:U/V:X/RE:X/U:Xsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-400USCWE-400US

affected products (28)

Products and version ranges known to be affected.

Juniper JUNOSall versionscert_bundDEcpe:/o:juniper:junos:-
Juniper Networks Junos OS Evolved0 → 21.2R3-S8-EVOenisa_euvdEU
Juniper Networks Junos OS Evolved21.3 → 21.3R3-S5-EVOenisa_euvdEU
Juniper Networks Junos OS Evolved21.4 → 21.4R3-S5-EVOenisa_euvdEU
Juniper Networks Junos OS Evolved22.1 → 22.1R3-S4-EVOenisa_euvdEU
Juniper Networks Junos OS Evolved22.2 → 22.2R3-S4enisa_euvdEU
Juniper Networks Junos OS Evolved22.3 → 22.3R3-S3-EVOenisa_euvdEU
Juniper Networks Junos OS Evolved22.4 → 22.4R2-S2-EVO, 22.4R3-EVOenisa_euvdEU
Juniper Networks Junos OS Evolved23.2 → 23.2R1-S1-EVO, 23.2R2-EVOenisa_euvdEU
Juniper Networks Inc. Junos OS Evolved≤ 21.2R3-S8-EVOfstec_bduRU
Juniper Networks Inc. Junos OS Evolved21.3 → 21.3R3-S5-EVOfstec_bduRU
Juniper Networks Inc. Junos OS Evolved21.4 → 21.4R3-S5-EVOfstec_bduRU
Juniper Networks Inc. Junos OS Evolved22.1 → 22.1R3-S4-EVOfstec_bduRU
Juniper Networks Inc. Junos OS Evolved22.2 → 22.2R3-S4-EVOfstec_bduRU
Juniper Networks Inc. Junos OS Evolved22.3 → 22.3R3-S3-EVOfstec_bduRU
Juniper Networks Inc. Junos OS Evolved22.4 → 22.4R2-S2-EVOfstec_bduRU
Juniper Networks Inc. Junos OS Evolved22.4 → 22.4R3-EVOfstec_bduRU
Juniper Networks Inc. Junos OS Evolved23.2 → 23.2R2-EVOfstec_bduRU
Juniper Networks Inc. Junos OS Evolved23.2 → 23.2R1-S1-EVOfstec_bduRU
juniper junos os evolved< 21.2nvdUScpe:2.3:o:juniper:junos_os_evolved:*:*:*:*:*:*:*:*

showing 20 of 28

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2024-1591Juniper JUNOS: Mehrere SchwachstellenDeutsch2024-07-10csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Juniper JUNOS ausnutzen, um einen Denial of Service zu verursachen, Informationen offenzulegen, Privilegien zu erweitern und Sicherheitsmechanismen inklusive zu umgehen.

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund nvd NVD CVE.org MITRE

published 2024-07-11modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan