CVE-2016-4845
Cross-site request forgery (CSRF) vulnerability on I-O DATA DEVICE HVL-A2.0, HVL-A3.0, HVL-A4.0,...
CVE-2016-4845 is a high vulnerability (CVSS 8.8) in Iodata Hvl-a2.0 Firmware, published September 24, 2016. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 2.38%, the 83rd percentile. No source names a fixed version.
Cross-site request forgery (CSRF) vulnerability on I-O DATA DEVICE HVL-A2.0, HVL-A3.0, HVL-A4.0, HVL-AT1.0S, HVL-AT2.0, HVL-AT3.0, HVL-AT4.0, HVL-AT2.0A, HVL-AT3.0A, and HVL-AT4.0A devices with firmware before 2.04 allows remote attackers to hijack the authentication of arbitrary users for requests that delete content.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Cross-site request forgery (CSRF) vulnerability on I-O DATA DEVICE HVL-A2.0, HVL-A3.0, HVL-A4.0, HVL-AT1.0S, HVL-AT2.0, HVL-AT3.0, HVL-AT4.0, HVL-AT2.0A, HVL-AT3.0A, and HVL-AT4.0A devices with firmware before 2.04 allows remote attackers to hijack the authentication of arbitrary users for requests that delete content.
- Record
CVE-2016-4845- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-352
- Updated
- 2026-11-02
CVE List No score
Cross-site request forgery (CSRF) vulnerability on I-O DATA DEVICE HVL-A2.0, HVL-A3.0, HVL-A4.0, HVL-AT1.0S, HVL-AT2.0, HVL-AT3.0, HVL-AT4.0, HVL-AT2.0A, HVL-AT3.0A, and HVL-AT4.0A devices with firmware before 2.04 allows remote attackers to hijack the authentication of arbitrary users for requests that delete content.
- Record
CVE-2016-4845- Updated
- 2026-11-02
EUVDEUVD-2016-5827 No score
Cross-site request forgery (CSRF) vulnerability on I-O DATA DEVICE HVL-A2.0, HVL-A3.0, HVL-A4.0, HVL-AT1.0S, HVL-AT2.0, HVL-AT3.0, HVL-AT4.0, HVL-AT2.0A, HVL-AT3.0A, and HVL-AT4.0A devices with firmware before 2.04 allows remote attackers to hijack the authentication of arbitrary users for requests that delete content.
- Record
EUVD-2016-5827- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-f4m6-6rf4-xgc8
Cross-site request forgery (CSRF) vulnerability on I-O DATA DEVICE HVL-A2.0, HVL-A3.0, HVL-A4.0,...
Cross-site request forgery (CSRF) vulnerability on I-O DATA DEVICE HVL-A2.0, HVL-A3.0, HVL-A4.0, HVL-AT1.0S, HVL-AT2.0, HVL-AT3.0, HVL-AT4.0, HVL-AT2.0A, HVL-AT3.0A, and HVL-AT4.0A devices with firmware before 2.04 allows remote attackers to hijack the authentication of arbitrary users for requests that delete content.
- Record
GHSA-f4m6-6rf4-xgc8- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-352
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | kaito834/cve-2016-4845_csrf | 2016-08-21 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD, PoC in GitHub |