Siemens SCALANCE XM-400/SCALANCE XR-500 up to 6.3 OSPF Protocol calculation
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.2 | $0-$5k | 0.00 |
A vulnerability classified as critical was found in Siemens SCALANCE XM-400 and SCALANCE XR-500 up to 6.3. This vulnerability affects an unknown code block of the component OSPF Protocol Handler. The manipulation with an unknown input leads to a calculation vulnerability. The CWE definition for the vulnerability is CWE-682. The product performs a calculation that generates incorrect or unintended results that are later used in security-critical decisions or resource management. As an impact it is known to affect availability.
The weakness was published 05/12/2021 as ssa-116379. The advisory is available at cert-portal.siemens.com. This vulnerability was named CVE-2020-28393. The technical details are unknown and an exploit is not available.
Upgrading to version 6.4 eliminates this vulnerability.
Product
Vendor
Name
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: 7.5VulDB Meta Temp Score: 7.2
VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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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: CalculationCWE: CWE-682
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
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: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: SCALANCE XM-400/SCALANCE XR-500 6.4
Timeline
11/10/2020 🔍05/12/2021 🔍
05/12/2021 🔍
05/15/2021 🔍
Sources
Vendor: siemens.comAdvisory: ssa-116379
Status: Confirmed
CVE: CVE-2020-28393 (🔍)
Entry
Created: 05/12/2021 22:14Updated: 05/15/2021 15:07
Changes: 05/12/2021 22:14 (39), 05/15/2021 15:07 (5)
Complete: 🔍
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