CVE-2026-27662
Affected devices do not properly restrict access to the web browser via the Control Panel when no...
Affected devices do not properly restrict access to the web browser via the Control Panel when no corresponding security mechanisms are in place. This could allow an unauthenticated attacker to gain unauthorized access to the web browser, potentially enabling the discovery of backdoors, performing unauthorized actions, or exploiting misconfigurations that may lead to further system compromise.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Affected devices do not properly restrict access to the web browser via the Control Panel when no corresponding security mechanisms are in place. This could allow an unauthenticated attacker to gain unauthorized access to the web browser, potentially enabling the discovery of backdoors, performing unauthorized actions, or exploiting misconfigurations that may lead to further system compromise.
- Record
CVE-2026-27662- CVSS 4.0
- 7.0 High
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N - CVSS 3.1
- 7.7 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H - Weakness
- CWE-1188
- Updated
- 2026-11-02
EUVDEUVD-2026-29429
Affected devices do not properly restrict access to the web browser via the Control Panel when no corresponding security mechanisms are in place. This could allow an unauthenticated attacker to gain unauthorized access to the web browser, potentially enabling the discovery of backdoors, performing unauthorized actions, or exploiting misconfigurations that may lead to further system compromise.
- Record
EUVD-2026-29429- CVSS 4.0
- 7.0 High
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-fg9h-cf2h-vjrx
Affected devices do not properly restrict access to the web browser via the Control Panel when no...
Affected devices do not properly restrict access to the web browser via the Control Panel when no corresponding security mechanisms are in place. This could allow an unauthenticated attacker to gain unauthorized access to the web browser, potentially enabling the discovery of backdoors, performing unauthorized actions, or exploiting misconfigurations that may lead to further system compromise.
- Record
GHSA-fg9h-cf2h-vjrx- CVSS 4.0
- 7.0 High
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 7.7 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H - Weakness
- CWE-1188
- Updated
- 2026-11-02
NVD
Affected devices do not properly restrict access to the web browser via the Control Panel when no corresponding security mechanisms are in place. This could allow an unauthenticated attacker to gain unauthorized access to the web browser, potentially enabling the discovery of backdoors, performing unauthorized actions, or exploiting misconfigurations that may lead to further system compromise.
- Record
CVE-2026-27662- CVSS 4.0
- 7.0 High
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 7.7 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H - Weakness
- CWE-1188
- Updated
- 2026-11-02
Affected products
- siemens simatic hmi mtp1000 unified comfort panel
- siemens simatic hmi mtp1000 unified comfort panel hygienic
- siemens simatic hmi mtp1000 unified comfort panel hygienic neutral design
- siemens simatic hmi mtp1000, unified comfort panel neutral
- siemens simatic hmi mtp1200 comfort pro for stand (expandable, flange at the bottom)
- siemens simatic hmi mtp1200 comfort pro for support arm (expandable, round tube) and extension unit
- siemens simatic hmi mtp1200 comfort pro for support arm (not extendable, flange on top)
- siemens simatic hmi mtp1200 comfort pro neutral design for stand (expandable, flange at the bottom)
- siemens simatic hmi mtp1200 comfort pro neutral design for support arm (expandable, round tube) and extensio
- siemens simatic hmi mtp1200 comfort pro neutral design for support arm (not extendable, flange on top)
- siemens simatic hmi mtp1200 unified comfort panel
- siemens simatic hmi mtp1200 unified comfort panel hygienic
Show 38 moreShow less
- siemens simatic hmi mtp1200 unified comfort panel hygienic neutral design
- siemens simatic hmi mtp1200 unified comfort panel neutral design
- siemens simatic hmi mtp1500 comfort pro for stand (expandable, flange at the bottom)
- siemens simatic hmi mtp1500 comfort pro for support arm (expandable, round tube) and extension unit
- siemens simatic hmi mtp1500 comfort pro for support arm (not extendable, flange on top)
- siemens simatic hmi mtp1500 comfort pro neutral design for stand (expandable, flange at the bottom)
- siemens simatic hmi mtp1500 comfort pro neutral design for support arm (expandable, round tube) and extensio
- siemens simatic hmi mtp1500 comfort pro neutral design for support arm (not extendable, flange on top)
- siemens simatic hmi mtp1500 unified comfort panel
- siemens simatic hmi mtp1500 unified comfort panel hygienic
- siemens simatic hmi mtp1500 unified comfort panel hygienic neutral design
- siemens simatic hmi mtp1500 unified comfort panel neutral design
- siemens simatic hmi mtp1900 comfort pro for stand (expandable, flange at the bottom)
- siemens simatic hmi mtp1900 comfort pro for support arm (expandable, round tube) and extension unit
- siemens simatic hmi mtp1900 comfort pro for support arm (not extendable, flange on top)
- siemens simatic hmi mtp1900 comfort pro neutral design for stand (expandable, flange at the bottom)
- siemens simatic hmi mtp1900 comfort pro neutral design for support arm (expandable, round tube) and extensio
- siemens simatic hmi mtp1900 comfort pro neutral design for support arm (not extendable, flange on top)
- siemens simatic hmi mtp1900 unified comfort panel
- siemens simatic hmi mtp1900 unified comfort panel hygienic
- siemens simatic hmi mtp1900 unified comfort panel hygienic neutral design
- siemens simatic hmi mtp1900 unified comfort panel neutral design
- siemens simatic hmi mtp2200 comfort pro for stand (expandable, flange at the bottom)
- siemens simatic hmi mtp2200 comfort pro for support arm (expandable, round tube) and extension unit
- siemens simatic hmi mtp2200 comfort pro for support arm (not extendable, flange on top)
- siemens simatic hmi mtp2200 comfort pro neutral design for stand (expandable, flange at the bottom)
- siemens simatic hmi mtp2200 comfort pro neutral design for support arm (expandable, round tube) and extensio
- siemens simatic hmi mtp2200 comfort pro neutral design for support arm (not extendable, flange on top)
- siemens simatic hmi mtp2200 unified comfort hygienic
- siemens simatic hmi mtp2200 unified comfort hygienic neutral design
- siemens simatic hmi mtp2200 unified comfort panel
- siemens simatic hmi mtp2200 unified comfort panel neutral design
- siemens simatic hmi mtp700 unified comfort panel hygienic neutral design
- siemens simatic hmi mtp700, unified comfort panel neutral design
- siemens simatic hmi mtp700 unified comfort panel
- siemens siplus hmi mtp1000 unified comfort
- siemens siplus hmi mtp1200 unified comfort
- siemens siplus hmi mtp700 unified comfort
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-27662 is a high vulnerability (CVSS 7.0) in Siemens Simatic Hmi Mtp1000 Unified Comfort Panel, published May 12, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.11%, the 1st percentile. No source names a fixed version.