CVE-2021-22656
Advantech iView versions prior to v5.7.03.6112 are vulnerable to directory traversal, which may...
Advantech iView versions prior to v5.7.03.6112 are vulnerable to directory traversal, which may allow an attacker to read sensitive files.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
7.5
Advantech iView versions prior to v5.7.03.6112 are vulnerable to directory traversal, which may allow an attacker to read sensitive files.
- Record
CVE-2021-22656- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
CVE List No score
Advantech iView versions prior to v5.7.03.6112 are vulnerable to directory traversal, which may allow an attacker to read sensitive files.
- Record
CVE-2021-22656- Weakness
- CWE-22
- Updated
- 2026-11-02
EUVDEUVD-2021-9792 No score
Advantech iView versions prior to v5.7.03.6112 are vulnerable to directory traversal, which may allow an attacker to read sensitive files.
- Record
EUVD-2021-9792- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qrfm-956x-83hh No score
Advantech iView versions prior to v5.7.03.6112 are vulnerable to directory traversal, which may...
Advantech iView versions prior to v5.7.03.6112 are vulnerable to directory traversal, which may allow an attacker to read sensitive files.
- Record
GHSA-qrfm-956x-83hh- Weakness
- CWE-22
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-22656 is a high vulnerability (CVSS 7.5) in Advantech Iview, published February 11, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.27%, the 88th percentile. No source names a fixed version.