CVE-2019-19315

Name: CVE-2019-19315
Creator: NVD / NIST
Published: 2019-12-17T15:15:25.067+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.1/10EPSS 0.62%

Last modified Jun 17, 2026

CVE-2019-19315 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. NLSSRV32.EXE in Nalpeiron Licensing Service 7.3.4.0, as used with Nitro PDF and other products, allows Elevation of Privilege via the \\.\mailslot\nlsX86ccMailslot mailslot.. EPSS estimates a 0.62% chance of exploitation in the next 30 days.

Description

NLSSRV32.EXE in Nalpeiron Licensing Service 7.3.4.0, as used with Nitro PDF and other products, allows Elevation of Privilege via the \\.\mailslot\nlsX86ccMailslot mailslot.

Metrics

CVSS 3.1

7.1/10

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

EPSS Probability

0.62%

45.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-732

Affected Software

Vendor	Product	Versions
Nalpeiron	Licensing Service	7.3.4.0

References

https://github.com/monoxgas/mailorderExploit, Mitigation, Third Party Advisory
https://github.com/monoxgas/mailorderExploit, Mitigation, Third Party Advisory

Timeline

Published: Dec 17, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-19315?

NLSSRV32.EXE in Nalpeiron Licensing Service 7.3.4.0, as used with Nitro PDF and other products, allows Elevation of Privilege via the \\.\mailslot\nlsX86ccMailslot mailslot.

How severe is CVE-2019-19315?

CVE-2019-19315 has a CVSS score of 7.1/10 (HIGH severity). The EPSS model estimates a 0.62% probability of exploitation in the next 30 days.

How do I fix CVE-2019-19315?

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-2019-19315?

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

Scan your code now

Source: NVD / NIST