# CVE-2020-37010: BearShare Lite 5.2.5 - 'Advanced Search'Buffer Overflow in (PoC)

> Attackers can execute arbitrary code by pasting malicious content into the Advanced Search keywords field of BearShare Lite.

- **Severity:** High 8.4 (`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`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 29 Jan 2026
- **Updated:** 15 Jul 2026
- **Also known as:** GHSA-m39c-gjq6-7756

## What is CVE-2020-37010?

CVE-2020-37010 is a high-severity memory corruption vulnerability in BearshareOfficial BearShare Lite, published on 29 Jan 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

### Official 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.

Weakness: CWE-120 (Buffer Copy without Checking Size of Input)

## Which versions are affected by CVE-2020-37010?


## How do I fix CVE-2020-37010?

No fix has been published for CVE-2020-37010 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-37010 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-37010 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-37010 and fix it if it is affected.

What it is: CVE-2020-37010 is a high-severity memory corruption vulnerability in BearshareOfficial BearShare Lite, published on 29 Jan 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-37010 exists.

Affected product: BearshareOfficial BearShare Lite. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2020-37010/ (Markdown: https://insights.sbomify.com/CVE-2020-37010/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-37010
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-37010
- OSV: https://osv.dev/vulnerability/CVE-2020-37010

---
From sbomify Insights: https://insights.sbomify.com/CVE-2020-37010/
Summaries are generated and may contain mistakes; the official description above is the record.