How severe is CVE-2019-13988?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2019-13988 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Sierrawireless Airlink Mg90

CVE-2019-13988

Sierra Wireless MGOS before 3.15.2 and 4.x before 4.3 allows attackers to read log files via a Direct Request (aka Forced Browsing).

Published 2022-12-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (29.0th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 29.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Public proof-of-concept exploits

Live-Hack-CVE/CVE-2019-13988

References

www.sierrawireless.com/company/security/ (Vendor Advisory)
source.sierrawireless.com/-/media/support_downloads/security-bulletins/pdf/swi-… (Vendor Advisory)

Frequently asked questions

What is CVE-2019-13988?: CVE-2019-13988 is a medium-severity vulnerability in Sierrawireless Airlink Mg90. CVSS score: 6.5/10. Published 2022-12-26.
How severe is CVE-2019-13988?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2019-13988 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.