Is CVE-2025-59980 being actively exploited?

CVE-2025-59980 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2025-59980?

CVE-2025-59980 has a CVSS 3.1 base score of 6.5 (MEDIUM).

CVE-2025-59980

MEDIUM · CVSS 6.5EPSS 0.3%EU EUVD

An Authentication Bypass by Primary Weakness in the FTP server of Juniper Networks Junos OS allows an unauthenticated, network-based attacker to get limited read-write access to files on the device. When the FTP server is enabled and a user named "ftp" or "anonymous" is configured, that user can login without providing the configured password and then has read-write access to their home directory. This issue affects Junos OS: * all versions before 22.4R3-S8, * 23.2 versions before 23.2R2-S3, * 23.4 versions before 23.4R2.

Key facts

CVSS score: 6.5 (v3.1)
Severity: MEDIUM
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Weakness (CWE): CWE-305
EPSS score: 0.3% (20th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2025-33387)
Published: October 9, 2025
NVD last modified: October 8, 2026
Status: Analyzed

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2025-33387 in the EU Vulnerability Database. Last updated in EUVD on October 10, 2025.

View on the EU Vulnerability Database

Affected products

juniper / junos
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Certified products that may be affected

5 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

Junos Space Network Management Platform, with or without Network Director and with or without Security Director in JA2500 - Juniper Networks, Inc. - FIPS 140 3816 - historical
Juniper Networks SRX345/SRX345-DUAL-AC with Junos 15.1X49-D110 - Juniper Networks, Inc. - FIPS 140 3247 - historical
Junos-FIPS 10.4 L2 OS Cryptographic Module - Juniper Networks, Inc. - FIPS 140 1813 - historical
Junos-FIPS 10.4 L1 OS Cryptographic Module - Juniper Networks, Inc. - FIPS 140 1772 - historical
JUNOS-FIPS - Juniper Networks, Inc. - FIPS 140 602 - historical

References

https://supportportal.juniper.net/JSA103167(Vendor Advisory)

Last updated October 10, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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