# CVE-2020-36914: QiHang Media Web Digital Signage 3.0.9 Cookie Authentication Credentials Disclosure

> Remote attackers can intercept cleartext authentication cookies via man-in-the-middle attacks, leading to credential disclosure and potential account takeover.

- **Severity:** High 8.6 (`CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/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:** Not needed
- **Fix available:** No
- **Published:** 6 Jan 2026
- **Updated:** 6 Jan 2026
- **Also known as:** GHSA-83pw-28qw-xg2h

## What is CVE-2020-36914?

CVE-2020-36914 is a high-severity vulnerability in Shenzhen Xingmeng Qihang Media Co., Ltd. QiHang Media Web (QH.aspx) Digital Signage, published on 6 Jan 2026. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

QiHang Media Web Digital Signage 3.0.9 contains a sensitive information disclosure vulnerability that allows remote attackers to intercept user authentication credentials through cleartext cookie transmission. Attackers can perform man-in-the-middle attacks to capture and potentially misuse stored authentication credentials transmitted in an insecure manner.

Weakness: CWE-319 (Cleartext Transmission of Sensitive Information)

## Which versions are affected by CVE-2020-36914?


## How do I fix CVE-2020-36914?

No fix has been published for CVE-2020-36914 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-36914 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-36914 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-36914 and fix it if it is affected.

What it is: CVE-2020-36914 is a high-severity vulnerability in Shenzhen Xingmeng Qihang Media Co., Ltd. QiHang Media Web (QH.aspx) Digital Signage, published on 6 Jan 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-36914 exists.

Affected product: Shenzhen Xingmeng Qihang Media Co., Ltd. QiHang Media Web (QH.aspx) Digital Signage. 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-2020-36914/ (Markdown: https://insights.sbomify.com/CVE-2020-36914/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-36914
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-36914
- OSV: https://osv.dev/vulnerability/CVE-2020-36914

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From sbomify Insights: https://insights.sbomify.com/CVE-2020-36914/
Summaries are generated and may contain mistakes; the official description above is the record.
