# CVE-2020-13770: Privilege escalation in n/a

> Local attackers with impersonation privileges can escalate to SYSTEM via insecure named pipes in Ivanti Endpoint Manager services.

- **Severity:** High 7.8 (`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 12 Nov 2020
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-cwx2-6cm4-jr73

## What is CVE-2020-13770?

CVE-2020-13770 is a high-severity vulnerability in Ivanti Endpoint Manager, published on 12 Nov 2020. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

Several services are accessing named pipes in Ivanti Endpoint Manager through 2020.1.1 with default or overly permissive security attributes; as these services run as user ‘NT AUTHORITY\SYSTEM’, the issue can be used to escalate privileges from a local standard or service account having SeImpersonatePrivilege (eg. user ‘NT AUTHORITY\NETWORK SERVICE’).

Weakness: CWE-276 (Incorrect Default Permissions)

## Which versions are affected by CVE-2020-13770?

It affects 1 product.


Products: Ivanti Endpoint Manager.

## How do I fix CVE-2020-13770?

No fix has been published for CVE-2020-13770 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-13770 being exploited?

There is no known exploitation of CVE-2020-13770 in the wild and no public exploit code.

## Other vulnerabilities in Ivanti Endpoint Manager

- [CVE-2024-13159](https://insights.sbomify.com/CVE-2024-13159/): Ivanti Endpoint Manager (EPM) Absolute Path Traversal (critical 9.8, exploited in the wild)
- [CVE-2024-13160](https://insights.sbomify.com/CVE-2024-13160/): Ivanti Endpoint Manager (EPM) Absolute Path Traversal (critical 9.8, exploited in the wild)
- [CVE-2024-13161](https://insights.sbomify.com/CVE-2024-13161/): Ivanti Endpoint Manager (EPM) Absolute Path Traversal (critical 9.8, exploited in the wild)
- [CVE-2024-29824](https://insights.sbomify.com/CVE-2024-29824/): Ivanti Endpoint Manager (EPM) SQL Injection (critical 9.6, exploited in the wild)
- [CVE-2026-1603](https://insights.sbomify.com/CVE-2026-1603/): Ivanti Endpoint Manager (EPM) Authentication Bypass (high 8.6, exploited in the wild)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-13770 and fix it if it is affected.

What it is: CVE-2020-13770 is a high-severity vulnerability in Ivanti Endpoint Manager, published on 12 Nov 2020. 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-2020-13770 in the wild and no public exploit code.

Affected product: Ivanti Endpoint Manager. 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-2020-13770/ (Markdown: https://insights.sbomify.com/CVE-2020-13770/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-13770
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-13770
- OSV: https://osv.dev/vulnerability/CVE-2020-13770

---
From sbomify Insights: https://insights.sbomify.com/CVE-2020-13770/
Summaries are generated and may contain mistakes; the official description above is the record.