CVE-2020-7760

Regular Expression Denial of Service (ReDoS)

HIGH
7.5
CVSS Score
Published: October 30, 2020 at 11:10 AM UTC
Updated: June 17, 2026 at 03:25 AM UTC
6 products affected across 2 vendorsHyperion Data Relationship ManagementEssbaseApplication Express

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Severity
HIGH7.5
Exploit prediction
EPSS 5%

Description

This affects the package codemirror before 5.58.2; the package org.apache.marmotta.webjars:codemirror before 5.58.2. The vulnerable regular expression is located in https://github.com/codemirror/CodeMirror/blob/cdb228ac736369c685865b122b736cd0d397836c/mode/javascript/javascript.jsL129. The ReDOS vulnerability of the regex is mainly due to the sub-pattern (s|/*.*?*/)*

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 5.58.2
Affected range stops below 5.58.2, so it looks safe — our inference, not a vendor statement
v < 20.2
Affected range stops below 20.2, so it looks safe — our inference, not a vendor statement
v < 11.2.9.0
Affected range stops below 11.2.9.0, so it looks safe — our inference, not a vendor statement
v < 19.1.0
Affected range stops below 19.1.0, so it looks safe — our inference, not a vendor statement

References (12)

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-400

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