How severe is CVE-2025-59974?

CVE-2025-59974 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-59974 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-59974?

CVE-2025-59974 primarily affects Juniper Space Security Director. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-59974?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-59974 have an EU (EUVD) identifier?

Yes. CVE-2025-59974 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-33392.

When was CVE-2025-59974 published?

CVE-2025-59974 was published on 2025-10-09 and last updated on 2026-06-17.

CVE-2025-59974

CVE-2025-59974 is a high-severity vulnerability in Juniper Space Security Director with a CVSS 3.x base score of 8.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: High (CVSS 3.x base score 8.4)
CVSS v4: 9.3
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-33392
Weakness: CWE-79
Affected product: Juniper Space Security Director
Published: 2025-10-09
Last modified: 2026-06-17

Description

An Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Junos Space Security Director allows an attacker to inject malicious scripts into the application, which are then stored and executed in the context of other users' browsers when they access affected pages.This issue affects Juniper Security Director: * All versions before 24.1R4.

Frequently asked questions

What is CVE-2025-59974?: An Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Junos Space Security Director allows an attacker to inject malicious scripts into the application, which are then stored and executed in the context of other users' browsers when they access affected pages.This issue affects Juniper Security Director: * All versions before 24.1R4.
How severe is CVE-2025-59974?: CVE-2025-59974 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-59974 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-59974?: CVE-2025-59974 primarily affects Juniper Space Security Director. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-59974?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-59974 have an EU (EUVD) identifier?: Yes. CVE-2025-59974 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-33392.
When was CVE-2025-59974 published?: CVE-2025-59974 was published on 2025-10-09 and last updated on 2026-06-17.

References

https://supportportal.juniper.net/JSA103139

Affected products (4)

cpe:2.3:a:juniper:space_security_director:*:*:*:*:*:*:*:*
cpe:2.3:a:juniper:space_security_director:24.1:r1:*:*:*:*:*:*
cpe:2.3:a:juniper:space_security_director:24.1:r2:*:*:*:*:*:*
cpe:2.3:a:juniper:space_security_director:24.1:r3:*:*:*:*:*:*

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