CVE-2022-31484

Summary

An unauthenticated attacker can send a specially crafted network packet to delete a user from the web interface. This vulnerability impacts products based on HID Mercury Intelligent Controllers LP1501, LP1502, LP2500, LP4502, and EP4502 which contain firmware versions prior to 1.29. The impact of this vulnerability is that an unauthenticated attacker could restrict access to the web interface to legitimate users and potentially requiring them to use the default user dip switch procedure to gain access back.

Affected Software

VendorProductVersion RangeStatus
LenelS2LNL-X2210ALL < 1.29affected
LenelS2LNL-X2220ALL < 1.29affected
LenelS2LNL-X3300ALL < 1.29affected
LenelS2LNL-X4420ALL < 1.29affected
LenelS2LNL-4420ALL < 1.29affected
LenelS2S2-LP-1501ALL < 1.29affected
LenelS2S2-LP-1502ALL < 1.29affected
LenelS2S2-LP-2500ALL < 1.29affected
LenelS2S2-LP-4502ALL < 1.29affected
HID MercuryLP1501ALL < 1.29affected
HID MercuryLP1502ALL < 1.29affected
HID MercuryLP2500ALL < 1.29affected
HID MercuryLP4502ALL < 1.29affected
HID MercuryEP4502ALL < 1.29affected

Weaknesses

  • CWE-425: CWE-425 Direct Request (Forced Browsing)

Workarounds

Disable the controller's Web Server.
When the controller is configured to disable web access, you cannot remotely login into the controller’s web page.

  1. Login to controller web pages
  2. Go to “Users” Tab
  3. Near bottom of the Users page, check option to “Disable Web Server”
  4. Then select “Submit” at the bottom of the page
  5. Then select “Apply Settings” tab
  6. And on that page, select button “Apply Settings, Reboot” The Controller will apply the new setting and reboot. Web login will be disabled until switch 1 is physically turned ON, on the controller.

ADP Enrichment

CVE Program Container

Additional References

References