How severe is CVE-2020-13770?

CVE-2020-13770 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-13770 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-13770?

CVE-2020-13770 affects Ivanti Endpoint Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-13770?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-13770 published?

CVE-2020-13770 was published on 2020-11-12 and last updated on 2026-06-17.

CVE-2020-13770

CVE-2020-13770 is a high-severity vulnerability in Ivanti Endpoint Manager with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-276.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 7.2
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-276
Affected product: Ivanti Endpoint Manager
Published: 2020-11-12
Last modified: 2026-06-17

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’).

Frequently asked questions

What is 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’).
How severe is CVE-2020-13770?: CVE-2020-13770 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-13770 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-13770?: CVE-2020-13770 affects Ivanti Endpoint Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-13770?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-13770 published?: CVE-2020-13770 was published on 2020-11-12 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:ivanti:endpoint_manager:*:*:*:*:*:*:*:*

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