Code injection in lmfit asteval



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2025-24359
CWE-ID CWE-94
Exploitation vector Network
Public exploit N/A
Vulnerable software
 asteval
Universal components / Libraries / Libraries used by multiple products

Vendor lmfit

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Code Injection

EUVDB-ID: #VU106024

Risk: High

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2025-24359

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation. A remote attacker can pass specially crafted input to the application and execute arbitrary Python code on the system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

asteval: 0.9 - 1.0.5

CPE2.3 External links

https://github.com/lmfit/asteval/blob/cfb57f0beebe0dc0520a1fbabc35e66060c7ea71/asteval/asteval.py#L507
https://github.com/lmfit/asteval/security/advisories/GHSA-3wwr-3g9f-9gc7
https://lucumr.pocoo.org/2016/12/29/careful-with-str-format


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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