Advantech WebAccess/SCADA up to 8.4.4/9.0.0 UserExcelOut.asp cross site scripting
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
3.4 | $0-$5k | 0.00 |
A vulnerability was found in Advantech WebAccess and SCADA up to 8.4.4/9.0.0 (SCADA Software) and classified as problematic. This issue affects an unknown function of the file UserExcelOut.asp. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity.
The weakness was shared 08/10/2021 as icsa-21-217-04. The advisory is shared at us-cert.cisa.gov. The identification of this vulnerability is CVE-2021-22676. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.
By approaching the search of inurl:UserExcelOut.asp it is possible to find vulnerable targets with Google Hacking.
Upgrading to version 8.4.5 or 9.0.1 eliminates this vulnerability.
Product
Type
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: 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: Cross site scriptingCWE: CWE-79 / CWE-74 / CWE-707
ATT&CK: T1059.007
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
Google Hack: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: WebAccess/SCADA 8.4.5/9.0.1
Timeline
01/05/2021 🔍08/10/2021 🔍
08/10/2021 🔍
08/15/2021 🔍
Sources
Vendor: advantech.comAdvisory: icsa-21-217-04
Status: Confirmed
CVE: CVE-2021-22676 (🔍)
Entry
Created: 08/10/2021 21:18Updated: 08/15/2021 12:29
Changes: 08/10/2021 21:18 (40), 08/15/2021 12:29 (2)
Complete: 🔍
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