code-projects Simple Banking System Sign In buffer overflow

published 2025-05-10 18 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-14221

cvss: 5.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 33%
public exploits: 0; none known

A vulnerability was found in code-projects Simple Banking System up to 1.0. It has been rated as critical. This issue affects some unknown processing of the component Sign In. The manipulation of the argument password2 leads to buffer overflow. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used.

Patch / fix

fixed in 1

code-projects simple_banking_system 1.0

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 17 mo ago (2025-05-12)

Exploit prediction

0.40% chance of exploitation in the next 30 days, higher than 33% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/zzzxc643/cve/blob/main/Banking_System.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	4.8	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
CNA	3.1	5.3	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CNA	3.0	5.3	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CNA	2.0	4.3	AV:L/AC:L/Au:S/C:P/I:P/A:P
CNA	4.0	4.8	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

code-projects Simple Banking System

Classification

Weakness

CWE-120 Buffer Copy without Checking Size of Input
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

github.com /zzzxc643/cve/blob/main/Banking_System.md
exploit, third-party-advisory
vuldb.com /?id.308213
vdb-entry, technical-description, third-party-advisory
vuldb.com /?ctiid.308213
signature, permissions-required, vdb-entry
vuldb.com /?submit.567082
third-party-advisory, vdb-entry
code-projects.org /
product

Sources

CVE List CVE-2025-4497
NVD CVE-2025-4497

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary