Skip to main content
No exploitation reportedFix available

CVE-2022-31481

No exploitation reported by the sources we read.

  • Published2022-06-06
  • Fixed in1.296
  • WeaknessCWE-120

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

An unauthenticated attacker can send a specially crafted update file to the device that can overflow a buffer. This vulnerability impacts products based on HID Mercury Intelligent Controllers LP1501, LP1502, LP2500, LP4502, and EP4502 which contain firmware versions prior to 1.302 for the LP series and 1.296 for the EP series. The overflowed data can allow the attacker to manipulate the “normal” code execution to that of their choosing. An attacker with this level of access on the device can monitor all communications sent to and from this device, modify onboard relays, change configuration files, or cause the device to become unstable.

Timeline

dates in UTC
  1. 2022-06-0617:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2022-31481?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2022-31481?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Carrier lenels2 lnl-4420 firmwareversion to verify
BranchAffectedFixed in
1.296< 1.2961.296
Carrier lenels2 lnl-x2210 firmwareversion to verify
BranchAffectedFixed in
1.302< 1.3021.302
Carrier lenels2 lnl-x2220 firmwareversion to verify
BranchAffectedFixed in
1.302< 1.3021.302

11 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

  • ICSA-22-153-01 CISA9 known affected

    Carrier LenelS2 HID Mercury access panels

    HID Mercury access panels sold by LenelS2 - LNL-X2210 · HID Mercury access panels sold by LenelS2 - LNL-X2220 · HID Mercury access panels sold by LenelS2 - LNL-X3300 · +6 more

Full record on NVD

Fix

  1. Update Carrier lenels2 lnl-4420 firmware to 1.296
  2. Mitigation from the vendor CISA ICSA-22-153-01 · 9 productsCarrier recommends updating these access panels to the most current released firmware via the LenelS2 Partner Center. Please contact a Carrier support channel partner for instructions.
  3. Mitigation from the vendor CISA ICSA-22-153-01 · 9 productsThe controller can also be configured to disable web access, which prevents remote login into the controller's webpage. To log in, see the specific instructions in CARR-PSA-006-0622
  4. Mitigation from the vendor CISA ICSA-22-153-01 · 9 productsCarrier has published CARR-PSA-006-0622 to notify users about these vulnerabilities, providing additional mitigation instructions.

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • CNACVSS 3.110read 2026-10-23
  • NVDCVSS 3.110read 2026-10-23
  • NVDCVSS 2.07.5read 2026-10-23
  • CNAweakness (CWE)CWE-120read 2026-10-23
  • NVDweakness (CWE)CWE-120read 2026-10-23
  • FIRST EPSSEPSS score1.6 %2026-10-22

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Published
2022-06-06
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2022-31481?

An unauthenticated attacker can send a specially crafted update file to the device that can overflow a buffer. This vulnerability impacts products based on HID Mercury Intelligent Controllers LP1501, LP1502, LP2500, LP4502, and EP4502 which contain firmware versions prior to 1.302 for the LP series and 1.296 for the EP series. The overflowed data can allow the attacker to manipulate the “normal” code execution to that of their choosing. An attacker with this level of access on the device can monitor all communications sent to and from this device, modify onboard relays, change configuration files, or cause the device to become unstable.

Is CVE-2022-31481 actively exploited?

Active exploitation of CVE-2022-31481 has not been confirmed. Its EPSS score was 1.6% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-31481?

CVE-2022-31481 has a CVSS v3 base score of 10 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

Hear about the next vulnerability in your software

Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

Get alerts for this productCISA KEV additions, October 2026Search CVEs

No credit card required · No monthly cap on website lookups · 250 API requests/month

Go further

Related vulnerabilities

Same product first, then the same vendor advisory and the same publication week.

Back to CVE Database