# CVE-2021-44862: Sensitive Information store in NSClient logs

> An authenticated local attacker can view sensitive unmasked data in NSClient logs, potentially leading to data theft and user impersonation.

- **Severity:** High 8.4 (`CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **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:** 3 Nov 2022
- **Updated:** 2 May 2025
- **Also known as:** GHSA-ww6p-8hpv-p4mc

## What is CVE-2021-44862?

CVE-2021-44862 is a high-severity vulnerability in Netskope NSClient, published on 3 Nov 2022. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

Netskope client is impacted by a vulnerability where an authenticated, local attacker can view sensitive information stored in NSClient logs which should be restricted. The vulnerability exists because the sensitive information is not masked/scrubbed before writing in the logs. A malicious user can use the sensitive information to download data and impersonate another user.

Weakness: CWE-532 (Insertion of Sensitive Information into Log File)

## Which versions are affected by CVE-2021-44862?

It affects 1 product.


Products: Netskope Netskope.

## How do I fix CVE-2021-44862?

No fix has been published for CVE-2021-44862 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-44862 being exploited?

There is no known exploitation of CVE-2021-44862 in the wild and no public exploit code.

## Other vulnerabilities in Netskope NSClient

- [CVE-2020-24576](https://insights.sbomify.com/CVE-2020-24576/): Privilege escalation in n/a (high 8.8)
- [CVE-2024-7401](https://insights.sbomify.com/CVE-2024-7401/): Client Enrollment Process Bypass (high 8.5)
- [CVE-2021-41388](https://insights.sbomify.com/CVE-2021-41388/): Privilege escalation in n/a (high 7.8)
- [CVE-2020-28845](https://insights.sbomify.com/CVE-2020-28845/): Code injection in n/a (high 7.8)
- [CVE-2019-12091](https://insights.sbomify.com/CVE-2019-12091/): Netskope client command injections vulnerability (high 7.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-44862 and fix it if it is affected.

What it is: CVE-2021-44862 is a high-severity vulnerability in Netskope NSClient, published on 3 Nov 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2021-44862 in the wild and no public exploit code.

Affected product: Netskope NSClient. 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-2021-44862/ (Markdown: https://insights.sbomify.com/CVE-2021-44862/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-44862
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-44862
- OSV: https://osv.dev/vulnerability/CVE-2021-44862

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-44862/
Summaries are generated and may contain mistakes; the official description above is the record.