Vulnerability · Published Aug 31, 2021 · Assigned by @huntrdev
CVE-2021-3749Inefficient Regular Expression Complexity in axios/axios
High 7.5
In plain English
A high-severity regular-expression denial of service in axios/axios from axios. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 8.5% (higher than 95% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.0)7.5High
Exploit odds (30 days)8.5%top 4.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling1Public PoC
Official description
axios is vulnerable to Inefficient Regular Expression Complexity
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | node-axios | 0.21.3+dfsg-1 | DEBIAN-CVE-2021-3749 |
| Debian:13 | node-axios | 0.21.3+dfsg-1 | DEBIAN-CVE-2021-3749 |
| Debian:14 | node-axios | 0.21.3+dfsg-1 | DEBIAN-CVE-2021-3749 |
| Ubuntu:25.10 | node-axios | no fix listed | UBUNTU-CVE-2021-3749 |
| Ubuntu:26.10 | node-axios | no fix listed | UBUNTU-CVE-2021-3749 |
| npm | axios | 0.21.2 | GHSA-cph5-m8f7-6c5x |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| axios | axios/axios | unspecified – through 0.21.1 |
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/1e8f07fc-c384-4ff9-8498-0690de2e8c31 x_refsource_CONFIRM
- https://github.com/axios/axios/commit/5b457116e31db0e88fede6c428e969e87f290929 x_refsource_MISC
- [druid-commits] 20211008 [GitHub] [druid] andreacyc closed pull request #11786: Fix CVE-2021-3749 reported in security vulnerabilities job mailing-list, x_refsource_MLIST
- [druid-commits] 20211008 [GitHub] [druid] andreacyc opened a new pull request #11786: Fix CVE-2021-3749 reported in security vulnerabilities job mailing-list, x_refsource_MLIST
- [druid-commits] 20211008 [GitHub] [druid] jihoonson commented on pull request #11786: Fix CVE-2021-3749 reported in security vulnerabilities job mailing-list, x_refsource_MLIST
- [druid-commits] 20211009 [GitHub] [druid] jihoonson closed pull request #11786: Fix CVE-2021-3749 reported in security vulnerabilities job mailing-list, x_refsource_MLIST
- [druid-commits] 20211009 [GitHub] [druid] andreacyc opened a new pull request #11786: Fix CVE-2021-3749 reported in security vulnerabilities job mailing-list, x_refsource_MLIST
- [druid-commits] 20211009 [druid] branch master updated: Fix CVE-2021-3749 reported in security vulnerabilities job (#11786) mailing-list, x_refsource_MLIST
- [druid-commits] 20211009 [GitHub] [druid] jihoonson commented on pull request #11786: Fix CVE-2021-3749 reported in security vulnerabilities job mailing-list, x_refsource_MLIST
- [druid-commits] 20211009 [GitHub] [druid] jihoonson merged pull request #11786: Fix CVE-2021-3749 reported in security vulnerabilities job mailing-list, x_refsource_MLIST
- [druid-commits] 20211009 [GitHub] [druid] andreacyc commented on pull request #11786: Fix CVE-2021-3749 reported in security vulnerabilities job mailing-list, x_refsource_MLIST
- [druid-dev] 20211009 [CRON] Passed: apache/druid#33528 (master - adb2237) mailing-list, x_refsource_MLIST
- https://www.oracle.com/security-alerts/cpujul2022.html x_refsource_MISC
- https://cert-portal.siemens.com/productcert/pdf/ssa-637483.pdf x_refsource_CONFIRM