How severe is CVE-2025-21604?

CVE-2025-21604 has a CVSS 4.0 base score of 6.9, rated medium severity.

Is CVE-2025-21604 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-21604?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-21604 have an EU (EUVD) identifier?

Yes. CVE-2025-21604 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-2569.

When was CVE-2025-21604 published?

CVE-2025-21604 was published on 2025-01-06 and last updated on 2026-06-17.

CVE-2025-21604

CVE-2025-21604 is a medium-severity vulnerability with a CVSS 4.0 base score of 6.9. 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-328.

Key facts

Severity: Medium (CVSS 4.0 base score 6.9)
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-2569
Weakness: CWE-328
Published: 2025-01-06
Last modified: 2026-06-17

Description

LangChain4j-AIDeepin is a Retrieval enhancement generation (RAG) project. Prior to 3.5.0, LangChain4j-AIDeepin uses MD5 to hash files, which may cause file upload conflicts. This issue is fixed in 3.5.0.

Frequently asked questions

What is CVE-2025-21604?: LangChain4j-AIDeepin is a Retrieval enhancement generation (RAG) project. Prior to 3.5.0, LangChain4j-AIDeepin uses MD5 to hash files, which may cause file upload conflicts. This issue is fixed in 3.5.0.
How severe is CVE-2025-21604?: CVE-2025-21604 has a CVSS 4.0 base score of 6.9, rated medium severity.
Is CVE-2025-21604 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-21604?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-21604 have an EU (EUVD) identifier?: Yes. CVE-2025-21604 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-2569.
When was CVE-2025-21604 published?: CVE-2025-21604 was published on 2025-01-06 and last updated on 2026-06-17.

References

Other CWE-328 vulnerabilities

CVE-2026-36182 — Critical (CVSS 9.8): GNCC GP5 v7.1.76 was discovered to utilize a weak hashing algorithm to protect the root password, possibly allowing…
CVE-2020-37168 — Critical (CVSS 9.8): Ecommerce Systempay 1.0 contains a weak cryptographic implementation vulnerability that allows attackers to brute force…
CVE-2025-41652 — Critical (CVSS 9.8): The devices are vulnerable to an authentication bypass due to flaws in the authorization mechanism. An unauthenticated…
CVE-2025-27595 — Critical (CVSS 9.8): The device uses a weak hashing alghorithm to create the password hash. Hence, a matching password can be easily…
CVE-2022-45141 — Critical (CVSS 9.8): Since the Windows Kerberos RC4-HMAC Elevation of Privilege Vulnerability was disclosed by Microsoft on Nov 8 2022 and…
CVE-2023-0452 — Critical (CVSS 9.8): Econolite EOS versions prior to 3.2.23 use a weak hash algorithm for encrypting privileged user credentials. A…

Browse all CWE-328 vulnerabilities →