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CVE-2019-11852

27
FAUCET Score

CVE-2019-11852 is an out-of-bounds read vulnerability in the ACEView Service of ALEOS firmware versions prior to 4.13.0, 4.9.5, and 4.4.9, affecting Sierra Wireless products. This critical vulnerability (CVSS 9.1) allows an unauthenticated attacker on the local area network to disclose sensitive information and potentially impact system availability. While no public exploit code or active exploitation has been observed, and community discussion is minimal, the high CVSS score indicates a significant risk if exploited.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.13.0CPE matchmatch criteria
cpe:2.3:o:sierrawireless:aleos:*:*:*:*:*:*:*:*
< 4.9.5CPE matchmatch criteria
cpe:2.3:o:sierrawireless:aleos:*:*:*:*:*:*:*:*
< 4.4.9CPE matchmatch criteria
cpe:2.3:o:sierrawireless:aleos:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

3.7LOW

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
2.2
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.94%
Probability of exploitation in next 30 days
EPSS Percentile
57.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0094 is in the 42nd percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

source.sierrawireless.com / resources/security-bulletins/sierra-wireless-technical-bulletin---swi-psa-2020-004
Vendor Advisory