Siemens SIMATIC HMI Comfort Outdoor Panels up to 16 Update 3 SmartVNC memory corruption
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
3.4 | $0-$5k | 0.00 |
A vulnerability has been found in Siemens SIMATIC HMI Comfort Outdoor Panels, SIMATIC HMI Comfort Panels, SIMATIC HMI KTP Mobile Panels and SIMATIC Wincc Runtime Advanced up to 16 Update 3 (SCADA Software) and classified as problematic. This vulnerability affects an unknown part of the component SmartVNC. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect availability.
The weakness was disclosed 05/12/2021 as ssa-286838. The advisory is available at cert-portal.siemens.com. This vulnerability was named CVE-2021-27383. The technical details are unknown and an exploit is not available.
Applying the patch 16 Update 4 is able to eliminate this problem.
Product
Type
Vendor
Name
- SIMATIC HMI Comfort Outdoor Panels
- SIMATIC HMI Comfort Panels
- SIMATIC HMI KTP Mobile Panels
- SIMATIC Wincc Runtime Advanced
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 3.5VulDB Meta Temp Score: 3.4
VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Patch: 16 Update 4
Timeline
02/18/2021 🔍05/12/2021 🔍
05/12/2021 🔍
05/15/2021 🔍
Sources
Vendor: siemens.comAdvisory: ssa-286838
Status: Confirmed
CVE: CVE-2021-27383 (🔍)
Entry
Created: 05/12/2021 22:36Updated: 05/15/2021 16:15
Changes: 05/12/2021 22:36 (40), 05/15/2021 16:15 (5)
Complete: 🔍
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