CVE-2020-13770

Name: CVE-2020-13770
Creator: NVD / NIST
Published: 2020-11-12T18:15:14.877+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.46%

Last modified Jun 17, 2026

CVE-2020-13770 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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’).. EPSS estimates a 0.46% chance of exploitation in the next 30 days.

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’).

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.46%

36.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-276

Affected Software

Vendor	Product	Versions
Ivanti	Endpoint Manager	<= 2020.1.1

References

https://labs.jumpsec.com/advisory-cve-2020-13770-ivanti-uem-named-pipe-token-impersonation/Third Party Advisory
https://labs.jumpsec.com/advisory-cve-2020-13770-ivanti-uem-named-pipe-token-impersonation/Third Party Advisory

Timeline

Published: Nov 12, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-13770?

How severe is CVE-2020-13770?

CVE-2020-13770 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.46% probability of exploitation in the next 30 days.

How do I fix CVE-2020-13770?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-13770?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST