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CVE-2022-31481

25
FAUCET Score

CVE-2022-31481 is a critical buffer overflow vulnerability affecting HID Mercury Intelligent Controllers (LP and EP series) with specific firmware versions. An unauthenticated attacker can exploit this by sending a specially crafted update file, leading to arbitrary code execution. This allows for full compromise of the device, enabling monitoring of communications, modification of relays, configuration changes, or device instability. With a CVSS score of 10.0, this vulnerability is highly severe due to its network-based attack vector, low complexity, and complete impact on confidentiality, integrity, and availability. While there is no known active exploitation or public exploit code, it has garnered some community discussion and media coverage, indicating awareness of its potential.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.302CPE matchmatch criteria
cpe:2.3:o:hidglobal:lp1501_firmware:*:*:*:*:*:*:*:*
< 1.302CPE matchmatch criteria
cpe:2.3:o:hidglobal:lp1502_firmware:*:*:*:*:*:*:*:*
< 1.302CPE matchmatch criteria
cpe:2.3:o:hidglobal:lp2500_firmware:*:*:*:*:*:*:*:*
< 1.302CPE matchmatch criteria
cpe:2.3:o:hidglobal:lp4502_firmware:*:*:*:*:*:*:*:*
< 1.296CPE matchmatch criteria
cpe:2.3:o:hidglobal:ep4502_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

10.0CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.47%
Probability of exploitation in next 30 days
EPSS Percentile
71.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0147 is in the 58th percentile among its peer group of 36,835 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

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

Remediation

Patch Available

Vendor Patches (1)

coollabspatch availablevia llm_extracted

Vendor Advisories (1)

coollabsllm-coollabs-66d255ffdc2be025CRITICAL

HID Mercury Intelligent Controller Command Injection, Unauthenticated Firmware, Buffer Overflow, Path Traversal Vulnerabilities

Jun 2, 2022

References

corporate.carrier.com / product-security/advisories-resources
Vendor Advisory