How severe is CVE-2018-20301?

CVE-2018-20301 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2018-20301 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-20301?

CVE-2018-20301 affects Coherence Project Coherence. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-20301?

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

When was CVE-2018-20301 published?

CVE-2018-20301 was published on 2018-12-20 and last updated on 2026-06-17.

CVE-2018-20301

CVE-2018-20301 is a medium-severity vulnerability in Coherence Project Coherence with a CVSS 3.x base score of 6.5. 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-20.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Coherence Project Coherence
Published: 2018-12-20
Last modified: 2026-06-17

Description

An issue was discovered in Steve Pallen Coherence before 0.5.2 that is similar to a Mass Assignment vulnerability. In particular, "registration" endpoints (e.g., creating, editing, updating) allow users to update any coherence_fields data. For example, users can automatically confirm their accounts by sending the confirmed_at parameter with their registration request.

Frequently asked questions

What is CVE-2018-20301?: An issue was discovered in Steve Pallen Coherence before 0.5.2 that is similar to a Mass Assignment vulnerability. In particular, "registration" endpoints (e.g., creating, editing, updating) allow users to update any coherence_fields data. For example, users can automatically confirm their accounts by sending the confirmed_at parameter with their registration request.
How severe is CVE-2018-20301?: CVE-2018-20301 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2018-20301 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-20301?: CVE-2018-20301 affects Coherence Project Coherence. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-20301?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-20301 published?: CVE-2018-20301 was published on 2018-12-20 and last updated on 2026-06-17.

References

https://github.com/smpallen99/coherence/issues/270

Affected products (1)

cpe:2.3:a:coherence_project:coherence:*:*:*:*:*:*:*:*

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