CVE-2019-18822

Name: CVE-2019-18822
Creator: NVD / NIST
Published: 2020-04-14T18:15:12.297+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.36%

Last modified Jun 17, 2026

CVE-2019-18822 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A privilege escalation vulnerability in ZOOM Call Recording 6.3.1 allows its user account (i.e., the account under which the program runs - by default, the callrec account) to elevate privileges to root by abusing the callrec-rs@.service. The callrec-rs@.service starts the /opt/callrec/bin/rs binary with root privileges, and this binary is owned by callrec. EPSS estimates a 1.36% chance of exploitation in the next 30 days.

Description

A privilege escalation vulnerability in ZOOM Call Recording 6.3.1 allows its user account (i.e., the account under which the program runs - by default, the callrec account) to elevate privileges to root by abusing the callrec-rs@.service. The callrec-rs@.service starts the /opt/callrec/bin/rs binary with root privileges, and this binary is owned by callrec. It can be replaced by a Trojan horse.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

1.36%

68.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-269

Affected Software

Vendor	Product	Versions
Eleveo	Call Recording	6.3.1

References

https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2019-18822-PrivEscal-ZoomCallRecordingExploit, Third Party Advisory
https://www.zoomint.com/solutions/call-recordingProduct
https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2019-18822-PrivEscal-ZoomCallRecordingExploit, Third Party Advisory
https://www.zoomint.com/solutions/call-recordingProduct

Timeline

Published: Apr 14, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-18822?

How severe is CVE-2019-18822?

CVE-2019-18822 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.36% probability of exploitation in the next 30 days.

How do I fix CVE-2019-18822?

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-2019-18822?

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

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Source: NVD / NIST