Vulnerability · Published Sep 17, 2021 · Assigned by @huntrdev
CVE-2021-3804Inefficient Regular Expression Complexity in nervjs/taro
High 7.5
In plain English
A high-severity regular-expression denial of service in nervjs/taro from nervjs. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 70% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.0)7.5High
Exploit odds (30 days)1.3%top 30.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
taro is vulnerable to Inefficient Regular Expression Complexity
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | @tarojs/helper | 3.3.9 | GHSA-468q-v4jj-485h |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| nervjs | nervjs/taro | unspecified – through 3.3.8 |
Weakness: CWE-1333 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- https://huntr.dev/bounties/0ebe85e6-cc85-42b8-957e-18d8df277414 x_refsource_CONFIRM
- https://github.com/nervjs/taro/commit/acadb6c826ba57f2030a626f1de4f7b4608fcdb5 x_refsource_MISC