How severe is CVE-2021-33046?

CVE-2021-33046 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-33046 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-33046?

CVE-2021-33046 primarily affects Dahuasecurity Ipc-hx1xxx Firmware. In total, 28 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-33046?

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

When was CVE-2021-33046 published?

CVE-2021-33046 was published on 2022-01-13 and last updated on 2026-06-17.

CVE-2021-33046

CVE-2021-33046 is a critical-severity vulnerability in Dahuasecurity Ipc-hx1xxx Firmware with a CVSS 3.x base score of 9.8. 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-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Dahuasecurity Ipc-hx1xxx Firmware
Published: 2022-01-13
Last modified: 2026-06-17

Description

Some Dahua products have access control vulnerability in the password reset process. Attackers can exploit this vulnerability through specific deployments to reset device passwords.

Frequently asked questions

What is CVE-2021-33046?: Some Dahua products have access control vulnerability in the password reset process. Attackers can exploit this vulnerability through specific deployments to reset device passwords.
How severe is CVE-2021-33046?: CVE-2021-33046 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-33046 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-33046?: CVE-2021-33046 primarily affects Dahuasecurity Ipc-hx1xxx Firmware. In total, 28 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-33046?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-33046 published?: CVE-2021-33046 was published on 2022-01-13 and last updated on 2026-06-17.

References

Affected products (28)

cpe:2.3:o:dahuasecurity:ipc-hx1xxx_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:ipc-hx2xxx_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:ipc-hx3xxx_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:ipc-hx5\(4\)\(3\)xxx_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:ipc-hx5xxx_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:sd1a1_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:sd22_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:sd49_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:sd50_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:sd52c_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:sd6al_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:tpc-bf1241_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:tpc-bf2221_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:tpc-bf5x01_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:tpc-pt8x21x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:tpc-sd2221_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:tpc-sd8x21_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:nvr1xxx_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:nvr2xxx_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:nvr4xxx_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:nvr5xxx_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:xvr4xxx_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:xvr5xxx_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:xvr7xxx_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:hcvr7xxx_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:hcvr8xxx_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:vtox20xf_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dahuasecurity:asc2204c_firmware:*:*:*:*:*:*:*:*

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