CVE-2020-7661
CVSS v3
7.5
HIGH
EPSS Score
2.7 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
all versions of url-regex are vulnerable to Regular Expression Denial of Service. An attacker providing a very long string in String.test can cause a Denial of Service.
Technical details
- Published
- 2020-06-04
Frequently asked questions
What is CVE-2020-7661?
all versions of url-regex are vulnerable to Regular Expression Denial of Service. An attacker providing a very long string in String.test can cause a Denial of Service.
Is CVE-2020-7661 actively exploited?
Active exploitation of CVE-2020-7661 has not been confirmed. Its EPSS score was 2.7% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2020-7661?
CVE-2020-7661 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2020-7661 affecting your environment?
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