Inefficient Regular Expression Complexity in axios/axios
CVE-2021-3749

7.5HIGH

Key Information:

Vendor

AxiOS

Status
AxiOS/axiOS
Vendor
CVE Published:
31 August 2021

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2021-3749?

axios is vulnerable to Inefficient Regular Expression Complexity

Affected Version(s)

axios/axios <= 0.21.1

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

axios-redos
Created by T-Guerrero

References

https://huntr.dev/bounties/1e8f07fc-c384-4ff9-8498-0690de...
x_refsource_CONFIRM
https://github.com/axios/axios/commit/5b457116e31db0e88fe...
x_refsource_MISC
https://lists.apache.org/thread.html/r7324ecc35b8027a51cb...
mailing-listx_refsource_MLIST

EPSS Score

8% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2021-3749 : Inefficient Regular Expression Complexity in axios/axios