EN

CVE-2025-21587

High
7.4
0.05.010.0
Year
2025
Published
Apr 15, 2025
Known Affected Devices
0
CVSS Score
7.4

What is CVE-2025-21587?

Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: JSSE). Supported versions that are affected are Oracle Java SE:8u441, 8u441-perf, 11.0.26, 17.0.14, 21.0.6, 24; Oracle GraalVM for JDK:17.0.14, 21.0.6, 24; Oracle GraalVM Enterprise Edition:20.3.17 and 21.3.13. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data as well as unauthorized access to critical data or complete access to all Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data. Note: This vulnerability can be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. This vulnerability also applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. CVSS 3.1 Base Score 7.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N).

CVSS Vector Breakdown

CVSS 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
AV
Attack Vector
Network

Exploitable remotely over the network without requiring access to the local system.

AC
Attack Complexity
High

Exploit requires specific conditions, timing, or configuration to succeed.

PR
Privileges Required
None

No authentication required. Any anonymous user can exploit this vulnerability.

UI
User Interaction
None

No user interaction required. Exploit runs without any victim action.

S
Scope
Unchanged

Exploiting the vulnerability only affects the vulnerable component itself.

C
Confidentiality Impact
High

Complete loss of confidentiality. All data on the component may be exposed.

I
Integrity Impact
High

Complete loss of integrity. Attacker can modify any file or data on the component.

A
Availability Impact
None

No availability impact. Service remains fully operational.

Known Affected Devices

Juniper Networks Juniper MX5 Juniper Networks Juniper MX104 Juniper Networks Juniper MX240 Juniper Networks Juniper MX480 Juniper Networks Juniper MX960 Juniper Networks Juniper MX2010 Juniper Networks Juniper MX10003 Juniper Networks Juniper PTX10003 Juniper Networks Juniper EX2300-48P Juniper Networks Juniper EX2300-C-12T Juniper Networks Juniper EX2300-C-12P Juniper Networks Juniper EX3400-24T Juniper Networks Juniper EX3400-24P Juniper Networks Juniper EX3400-48T Juniper Networks Juniper EX3400-48P Juniper Networks Juniper EX4300-24T Juniper Networks Juniper EX4300-24P Juniper Networks Juniper EX4300-48MP Juniper Networks Juniper EX4400-24T Juniper Networks Juniper EX4400-48F Juniper Networks Juniper SRX300 Juniper Networks Juniper SRX320 Juniper Networks Juniper SRX340 Juniper Networks Juniper SRX345 Juniper Networks Juniper SRX380 Juniper Networks Juniper SRX4200 Juniper Networks Juniper SRX4600 Juniper Networks Juniper SRX5400 Juniper Networks Juniper SRX5600 Juniper Networks Juniper QFX5100-24Q Juniper Networks Juniper QFX5110-48S Juniper Networks Juniper QFX10008 Juniper Networks Juniper QFX10016

FAQ

How severe is CVE-2025-21587?

CVE-2025-21587 has a CVSS score of 7.4/10, rated as High. This is a high severity vulnerability and should be patched as soon as possible.

What does the CVSS score mean for CVE-2025-21587?

CVSS (Common Vulnerability Scoring System) rates vulnerability severity from 0.0 to 10.0. CVE-2025-21587 scores 7.4/10 (High). Scores 9.0–10.0 are Critical, 7.0–8.9 are High, 4.0–6.9 are Medium, and below 4.0 are Low.

Which devices are affected by CVE-2025-21587?

The list of devices confirmed to be affected by CVE-2025-21587 is shown in the "Affected Devices" section above. Check your firmware version against the vendor security advisory and apply the latest patch.

How do I fix or mitigate CVE-2025-21587?

Apply the latest firmware or software update from the vendor. Check the References section above for official advisories and patch notes. If no patch is available, consider disabling the affected feature or isolating the device from untrusted networks.