High severity · published May 12, 2021
CVE-2021-25662
A vulnerability has been identified in SIMATIC HMI Comfort Outdoor Panels V15 7\" & 15\" (incl
7.5
CVSS
1.6%
EPSS
No
On KEV
Description
A vulnerability has been identified in SIMATIC HMI Comfort Outdoor Panels V15 7\" & 15\" (incl. SIPLUS variants) (All versions < V15.1 Update 6), SIMATIC HMI Comfort Outdoor Panels V16 7\" & 15\" (incl. SIPLUS variants) (All versions < V16 Update 4), SIMATIC HMI Comfort Panels V15 4\" - 22\" (incl. SIPLUS variants) (All versions < V15.1 Update 6), SIMATIC HMI Comfort Panels V16 4\" - 22\" (incl. SIPLUS variants) (All versions < V16 Update 4), SIMATIC HMI KTP Mobile Panels V15 KTP400F, KTP700, KTP700F, KTP900 and KTP900F (All versions < V15.1 Update 6), SIMATIC HMI KTP Mobile Panels V16 KTP400F, KTP700, KTP700F, KTP900 and KTP900F (All versions < V16 Update 4), SIMATIC WinCC Runtime Advanced V15 (All versions < V15.1 Update 6), SIMATIC WinCC Runtime Advanced V16 (All versions < V16 Update 4). SmartVNC client fails to handle an exception properly if the program execution process is modified after sending a packet from the server, which could result in a Denial-of-Service condition.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.6% · higher than 76% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SH
Simatic Hmi Comfort Outdoor Panels 15" Firmware · Siemens
before 16; 16; 16; 16; 16; 16; +7 more · source: NVD
SH
Simatic Hmi Comfort Outdoor Panels 7" Firmware · Siemens
before 16; 16; 16; 16; 16; before 15.1; +6 more · source: NVD
SH
Simatic Hmi Comfort Panels 22" Firmware · Siemens
before 16; 16; 16; 16; 16; before 15.1; +6 more · source: NVD
SH
Simatic Hmi Comfort Panels 4" Firmware · Siemens
before 16; 16; 16; 16; 16; before 15.1; +6 more · source: NVD
SH
Simatic Hmi Ktp Mobile Panels Ktp400f Firmware · Siemens
before 16; 16; 16; 16; 16; before 15.1; +6 more · source: NVD
SH
Simatic Hmi Ktp Mobile Panels Ktp700 Firmware · Siemens
before 16; 16; 16; 16; 16; before 15.1; +6 more · source: NVD
SH
Simatic Hmi Ktp Mobile Panels Ktp700f Firmware · Siemens
before 16; 16; 16; 16; 16; before 15.1; +6 more · source: NVD
SH
Simatic Hmi Ktp Mobile Panels Ktp900 Firmware · Siemens
before 16; 16; 16; 16; 16; before 15.1; +6 more · source: NVD
SH
Simatic Hmi Ktp Mobile Panels Ktp900f Firmware · Siemens
before 16; 16; 16; 16; 16; before 15.1; +6 more · source: NVD
SW
Simatic Wincc Runtime Advanced · Siemens
before 16; 16; 16; 16; 16; before 15.1; +6 more · source: NVD
Affected product
SH
Simatic Hmi Comfort Outdoor Panels 15" Firmware
Siemens
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-25662
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-25662
Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-538778.pdf
Third Party Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-131-12
More from Simatic Hmi Comfort Outdoor Panels 15" Firmware
9.8
CVE-2021-27384
A vulnerability has been identified in SIMATIC HMI Comfort Outdoor Panels V15 7\" & 15\" (incl
7.5
CVE-2021-27386
A vulnerability has been identified in SIMATIC HMI Comfort Outdoor Panels V15 7\" & 15\" (incl
7.5
CVE-2021-27385
A vulnerability has been identified in SIMATIC HMI Comfort Outdoor Panels V15 7\" & 15\" (incl
7.5
CVE-2021-27383
A vulnerability has been identified in SIMATIC HMI Comfort Outdoor Panels V15 7\" & 15\" (incl
7.5
CVE-2021-25661
A vulnerability has been identified in SIMATIC HMI Comfort Outdoor Panels V15 7\" & 15\" (incl