How severe is CVE-2018-7651?

CVE-2018-7651 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2018-7651 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-7651?

CVE-2018-7651 affects Ssri Project Ssri. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-7651?

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

When was CVE-2018-7651 published?

CVE-2018-7651 was published on 2018-03-04 and last updated on 2026-06-17.

CVE-2018-7651

CVE-2018-7651 is a medium-severity vulnerability in Ssri Project Ssri with a CVSS 3.x base score of 5.9. 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-400.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
CVSS v2: 4.3
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-400
Affected product: Ssri Project Ssri
Published: 2018-03-04
Last modified: 2026-06-17

Description

index.js in the ssri module before 5.2.2 for Node.js is prone to a regular expression denial of service vulnerability in strict mode functionality via a long base64 hash string.

Frequently asked questions

What is CVE-2018-7651?: index.js in the ssri module before 5.2.2 for Node.js is prone to a regular expression denial of service vulnerability in strict mode functionality via a long base64 hash string.
How severe is CVE-2018-7651?: CVE-2018-7651 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2018-7651 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-7651?: CVE-2018-7651 affects Ssri Project Ssri. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-7651?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-7651 published?: CVE-2018-7651 was published on 2018-03-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ssri_project:ssri:*:*:*:*:*:node.js:*:*

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