CVE-2020-37010 | BearShare Lite 5.2.5 contains a buffer overflow vulnerabilit… | CVSS 9.8 CRITICAL

Description

BearShare Lite 5.2.5 contains a buffer overflow vulnerability in the Advanced Search keywords input that allows attackers to execute arbitrary code. Attackers can craft a specially designed payload to overwrite the EIP register and execute shellcode by pasting malicious content into the search keywords field.

Metadata

CVE ID: CVE-2020-37010
State: PUBLISHED
Assigner: VulnCheck
Reserved: 2026-01-27 15:47 UTC
Published: 2026-01-29 14:28 UTC
Last updated: 2026-07-15 01:24 UTC
Primary CWE: CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer …
Vendor / Product: BearshareOfficial / BearShare Lite
Sources: cve.org · NVD

Severity & Metrics

9.8 CRITICAL CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC — CISA Coordinator

Exploitation: PoC
Automatable: no
Tech. Impact: total

Affected products (1)

Vendor	Product	Platform	Versions
BearshareOfficial	BearShare Lite	—	5.1.0 ≤ 5.2.5

Weakness (CWE)

CWE	Source	Description
CWE-120	cna	Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CVSS scores (2)

Score	Severity	Version	Source	Vector
9.8	CRITICAL	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
8.4	HIGH	4.0	cna	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

References (4)

ExploitDB-48839 https://www.exploit-db.com/exploits/48839
Official BearShare Homepage http://www.bearshareofficial.com/
BearShare Lite 5.2.5 Download Page http://www.oldversion.com.de/windows/bearshare-lite-5-2-5
VulnCheck Advisory: BearShare Lite 5.2.5 - 'Advanced Search'Buffer Overflow in (PoC) https://www.vulncheck.com/advisories/bearshare-lite-advanced-searchbuffer-overflow-in-poc