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CVE record · CVE-2025-21601

Junos OS: SRX and EX Series, MX240, MX480, MX960, QFX5120 Series: When web management is enabled for specific services an attacker may cause a CPU spike by sending genuine packets to the device

CVSS 8.7 HighEPSS 0.0043 · 37th percentile

Published by the CVE Program (CNA: juniper) at 9 Apr 2025, 19:51 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Juniper Networks Junos OS Package name: AppWeb
  • affected before 21.4R3-S9 semver
  • affected 22.2 to before 22.2R3-S5 semver
  • affected 22.4 to before 22.4R3-S4 semver
  • affected 23.2 to before 23.2R2-S3 semver
  • affected 23.4 to before 23.4R2-S3 semver
  • affected 24.2 to before 24.2R1-S1, 24.2R2 semver
Other versions: unaffected
Identifiers
CVE-2025-21601
CNA
juniper
Weakness (CWE)
CWE-573
Tags
Published
9 Apr 2025
Updated
15 Apr 2025

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
7.5 High 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CNA (juniper)
8.7 High 4.0 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/V:C/RE:M/U:Amber CNA (juniper)Used for this record
  • CISA KEV Not listed.
  • EPSS 0.0043, the 37th percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 9 Apr 2025. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.