How severe is CVE-2016-4845?

CVE-2016-4845 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-4845 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-4845?

CVE-2016-4845 primarily affects Iodata Hvl-a2.0 Firmware. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-4845?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2016-4845 published?

CVE-2016-4845 was published on 2016-09-24 and last updated on 2026-06-17.

CVE-2016-4845

CVE-2016-4845 is a high-severity vulnerability in Iodata Hvl-a2.0 Firmware with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-352.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Iodata Hvl-a2.0 Firmware
Published: 2016-09-24
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2016-4845?: 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.
How severe is CVE-2016-4845?: CVE-2016-4845 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-4845 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-4845?: CVE-2016-4845 primarily affects Iodata Hvl-a2.0 Firmware. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-4845?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2016-4845 published?: CVE-2016-4845 was published on 2016-09-24 and last updated on 2026-06-17.

References

Affected products (10)

cpe:2.3:o:iodata:hvl-a2.0_firmware:2.03:*:*:*:*:*:*:*
cpe:2.3:o:iodata:hvl-a3.0_firmware:2.03:*:*:*:*:*:*:*
cpe:2.3:o:iodata:hvl-a4.0_firmware:2.03:*:*:*:*:*:*:*
cpe:2.3:o:iodata:hvl-at1.0s_firmware:2.03:*:*:*:*:*:*:*
cpe:2.3:o:iodata:hvl-at2.0_firmware:2.03:*:*:*:*:*:*:*
cpe:2.3:o:iodata:hvl-at2.0a_firmware:2.03:*:*:*:*:*:*:*
cpe:2.3:o:iodata:hvl-at3.0_firmware:2.03:*:*:*:*:*:*:*
cpe:2.3:o:iodata:hvl-at3.0a_firmware:2.03:*:*:*:*:*:*:*
cpe:2.3:o:iodata:hvl-at4.0_firmware:2.03:*:*:*:*:*:*:*
cpe:2.3:o:iodata:hvl-at4.0a_firmware:2.03:*:*:*:*:*:*:*

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