What is CVE-2020-13770?

CVE-2020-13770 is a high-severity vulnerability in Ivanti Endpoint Manager, classified under Incorrect Default Permissions. CVSS score: 7.8/10. Published 2020-11-12.

How severe is CVE-2020-13770?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Ivanti Endpoint Manager

CVE-2020-13770

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’).

Published 2020-11-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (38.0th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 38.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Ivanti Endpoint Manager

Weakness classification (CWE)

CWE-276 — Incorrect Default Permissions

References

labs.jumpsec.com/advisory-cve-2020-13770-ivanti-uem-named-pipe-token-impersonat… (Third Party Advisory)

Frequently asked questions

What is CVE-2020-13770?: CVE-2020-13770 is a high-severity vulnerability in Ivanti Endpoint Manager, classified under Incorrect Default Permissions. CVSS score: 7.8/10. Published 2020-11-12.
How severe is CVE-2020-13770?: High severity. CVSS v3 base score is 7.8 out of 10.