How severe is CVE-2021-44769?

CVE-2021-44769 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2021-44769 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-44769?

CVE-2021-44769 affects Lannerinc Iac-ast2500a Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-44769?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-44769 published?

CVE-2021-44769 was published on 2022-10-24 and last updated on 2026-06-17.

CVE-2021-44769

CVE-2021-44769 is a medium-severity vulnerability in Lannerinc Iac-ast2500a Firmware with a CVSS 3.x base score of 4.9. 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-20.

Key facts

Severity: Medium (CVSS 3.x base score 4.9)
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Lannerinc Iac-ast2500a Firmware
Published: 2022-10-24
Last modified: 2026-06-17

Description

An improper input validation vulnerability in the TLS certificate generation function allows an attacker to cause a Denial-of-Service (DoS) condition which can only be reverted via a factory reset. This issue affects: Lanner Inc IAC-AST2500A standard firmware version 1.10.0.

Frequently asked questions

What is CVE-2021-44769?: An improper input validation vulnerability in the TLS certificate generation function allows an attacker to cause a Denial-of-Service (DoS) condition which can only be reverted via a factory reset. This issue affects: Lanner Inc IAC-AST2500A standard firmware version 1.10.0.
How severe is CVE-2021-44769?: CVE-2021-44769 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2021-44769 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-44769?: CVE-2021-44769 affects Lannerinc Iac-ast2500a Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-44769?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-44769 published?: CVE-2021-44769 was published on 2022-10-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:lannerinc:iac-ast2500a_firmware:1.10.0:*:*:*:*:*:*:*

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