# CVE-2020-29493: SQL injection in Avamar

> Remote unauthenticated attackers can execute SQL commands to read or delete sensitive backup data in Dell EMC Avamar Server.

- **Severity:** Critical 10.0 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/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:** 14 Jan 2021
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-xmm8-v82g-957c

## What is CVE-2020-29493?

CVE-2020-29493 is a critical SQL injection vulnerability in Dell Avamar, published on 14 Jan 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

DELL EMC Avamar Server, versions 19.1, 19.2, 19.3, contain a SQL Injection Vulnerability in Fitness Analyzer. A remote unauthenticated attacker could potentially exploit this vulnerability, leading to the execution of certain SQL commands on the application's backend database, causing unauthorized read and write access to application data. Exploitation may lead to leakage or deletion of sensitive backup data; hence the severity is Critical. Dell EMC recommends customers to upgrade at the earliest opportunity.

Weakness: CWE-89 (Improper Neutralization of Special Elements used in an SQL Command)

## Which versions are affected by CVE-2020-29493?

It affects 2 products.


Products: Dell Emc Avamar Server, Dell Emc Integrated Data Protection Appliance.

## How do I fix CVE-2020-29493?

No fix has been published for CVE-2020-29493 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-29493 being exploited?

There is no known exploitation of CVE-2020-29493 in the wild and no public exploit code.

## Other vulnerabilities in Dell Avamar

- [CVE-2020-29495](https://insights.sbomify.com/CVE-2020-29495/): Command injection in Avamar (critical 10.0)
- [CVE-2020-5341](https://insights.sbomify.com/CVE-2020-5341/): Deserialization in Avamar Virtual Edition (critical 9.8)
- [CVE-2020-29494](https://insights.sbomify.com/CVE-2020-29494/): Path traversal in Avamar (high 8.7)
- [CVE-2019-3752](https://insights.sbomify.com/CVE-2019-3752/): XML external entity in Avamar (high 8.2)
- [CVE-2021-21511](https://insights.sbomify.com/CVE-2021-21511/): Missing authorization in Avamar (high 8.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-29493 and fix it if it is affected.

What it is: CVE-2020-29493 is a critical SQL injection vulnerability in Dell Avamar, published on 14 Jan 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-2020-29493 in the wild and no public exploit code.

Affected product: Dell Avamar. 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-2020-29493/ (Markdown: https://insights.sbomify.com/CVE-2020-29493/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-29493
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-29493
- OSV: https://osv.dev/vulnerability/CVE-2020-29493

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From sbomify Insights: https://insights.sbomify.com/CVE-2020-29493/
Summaries are generated and may contain mistakes; the official description above is the record.