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Vulnerability record · CVE-2020-12080 · published 17 September 2021

CVE-2020-12080: Flexera flexnet publisher improper input validation vulnerability

Flexera · Flexnet Publisher

A Denial of Service vulnerability has been identified in FlexNet Publisher's lmadmin.exe version 11.16.6. A certain message protocol can be exploited to cause lmadmin to crash.

7.5 CVSS 3.1 High EPSS 2.1% · top 18.8% CWE-20 · Improper input validation
7.5CVSS 3.1 base score, v2 5.0
2.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

A Denial of Service vulnerability has been identified in FlexNet Publisher's lmadmin.exe version 11.16.6. A certain message protocol can be exploited to cause lmadmin to crash.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://community.flexera.com/t5/FlexNet-Publisher-Knowledge-Base/CVE-2020-12080-Remediated-in-FlexNet-Publisher/ta-p/14 Vendor Advisory
https://community.flexera.com/t5/FlexNet-Publisher-News/FlexNet-Publisher-2020-R2-11-17-0-is-here/ba-p/144017/jump-to/fi Release NotesVendor Advisory
https://www.tenable.com/security/research/tra-2020-28 ExploitThird Party Advisory
https://community.flexera.com/t5/FlexNet-Publisher-Knowledge-Base/CVE-2020-12080-Remediated-in-FlexNet-Publisher/ta-p/14 Vendor Advisory
https://community.flexera.com/t5/FlexNet-Publisher-News/FlexNet-Publisher-2020-R2-11-17-0-is-here/ba-p/144017/jump-to/fi Release NotesVendor Advisory
https://www.tenable.com/security/research/tra-2020-28 ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2018-20033Flexera flexnet publisher allocation without limits vulnerabilityA Remote Code Execution vulnerability in lmgrd and vendor daemon components of FlexNet Publisher version 11.16.1.0 and earlier could allow a remote a…EPSS 3.7%7.5CVE-2019-8963Flexera flexnet publisher vulnerabilityA Denial of Service (DoS) vulnerability was discovered in FlexNet Publisher's lmadmin 11.16.5, when doing a crafted POST request on lmadmin using the…EPSS 0.65%7.5CVE-2020-12081Flexera flexnet publisher vulnerabilityAn information disclosure vulnerability has been identified in FlexNet Publisher lmadmin.exe 11.14.0.2. The web portal link can be used to access to …EPSS 1.1%7.5CVE-2019-8960Flexera flexnet publisher vulnerabilityA Denial of Service vulnerability related to command handling has been identified in FlexNet Publisher lmadmin.exe version 11.16.2. The message readi…EPSS 1.3%7.5CVE-2019-8961Flexera flexnet publisher vulnerabilityA Denial of Service vulnerability related to stack exhaustion has been identified in FlexNet Publisher lmadmin.exe 11.16.2. Because the message readi…EPSS 1.8%7.5CVE-2018-20032Flexera flexnet publisher vulnerabilityA Denial of Service vulnerability related to message decoding in lmgrd and vendor daemon components of FlexNet Publisher version 11.16.1.0 and earlie…EPSS 2.2%7.5CVE-2018-20031Flexera flexnet publisher vulnerabilityA Denial of Service vulnerability related to preemptive item deletion in lmgrd and vendor daemon components of FlexNet Publisher version 11.16.1.0 an…EPSS 2.2%7.5CVE-2018-20034Flexera flexnet publisher vulnerabilityA Denial of Service vulnerability related to adding an item to a list in lmgrd and vendor daemon components of FlexNet Publisher version 11.16.1.0 an…EPSS 2.8%

Source: NIST National Vulnerability Database (record CVE-2020-12080), CISA KEV, FIRST EPSS (scores of 2026-10-09). This page is refreshed as NVD updates the record.