# CVE-2021-30642: Command injection in Symantec Security Analytics

> Remote unauthenticated attackers can execute arbitrary OS commands with elevated privileges via an input validation flaw in the web UI.

- **Severity:** Critical 9.8 (`CVSS:3.1/AV:N/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:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 27 Apr 2021
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-hp9v-7xg7-mgwf

## What is CVE-2021-30642?

CVE-2021-30642 is a critical command injection vulnerability in Symantec Security Analytics, published on 27 Apr 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

An input validation flaw in the Symantec Security Analytics web UI 7.2 prior 7.2.7, 8.1, prior to 8.1.3-NSR3, 8.2, prior to 8.2.1-NSR2 or 8.2.2 allows a remote, unauthenticated attacker to execute arbitrary OS commands on the target with elevated privileges.

Weakness: CWE-78 (Improper Neutralization of Special Elements used in an OS Command)

## Which versions are affected by CVE-2021-30642?

It affects 1 product.


Products: Symantec Security Analytics.

## How do I fix CVE-2021-30642?

No fix has been published for CVE-2021-30642 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-30642 being exploited?

There is no known exploitation of CVE-2021-30642 in the wild and no public exploit code.

## Other vulnerabilities in Symantec Security Analytics

- [CVE-2018-12241](https://insights.sbomify.com/CVE-2018-12241/): Cross-site scripting in Symantec Security Analytics (SA) (medium 6.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-30642 and fix it if it is affected.

What it is: CVE-2021-30642 is a critical command injection vulnerability in Symantec Security Analytics, published on 27 Apr 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2021-30642 in the wild and no public exploit code.

Affected product: Symantec Security Analytics. 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-2021-30642/ (Markdown: https://insights.sbomify.com/CVE-2021-30642/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-30642
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-30642
- OSV: https://osv.dev/vulnerability/CVE-2021-30642

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-30642/
Summaries are generated and may contain mistakes; the official description above is the record.