High severity · published Aug 31, 2021
CVE-2021-3749
axios is vulnerable to Inefficient Regular Expression Complexity
7.5
CVSS
8.5%
EPSS
No
On KEV
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)8.5% · higher than 95% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AX
Axios · Axios
through 0.21.1 · source: NVD
GO
Goldengate · Oracle
21.1 before 21.7.0.0.0 · source: NVD
SI
Sinec Ins · Siemens
before 1.0; 1.0; 1.0 · source: NVD
Affected product
AX
Axios
Axios
More from Axios
10.0
CVE-2026-42043
Axios: Incomplete Fix for CVE-2025-62718 — NO_PROXY Protection Bypassed via RFC 1122 Loopback Subnet (127.0.0.0/8) in Axios 1.15.0
9.9
CVE-2025-62718
Axios has a NO_PROXY Hostname Normalization Bypass that Leads to SSRF
9.8
CVE-2024-57965
In axios before 1.7.8, lib/helpers/isURLSameOrigin.js does not use a URL object when determining an origin, and has a potentially unwanted setAttribute('href',href) call
9.1
CVE-2026-42264
Axios: Prototype pollution read-side gadgets in HTTP adapter allow credential injection and request hijacking
9.1
CVE-2026-42044
Axios: Invisible JSON Response Tampering via Prototype Pollution Gadget in `parseReviver`