How severe is CVE-2021-46279?

CVE-2021-46279 has a CVSS 3.x base score of 5.8, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2021-46279 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-46279?

CVE-2021-46279 affects Lannerinc Iac-ast2500a Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-46279?

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

When was CVE-2021-46279 published?

CVE-2021-46279 was published on 2022-10-24 and last updated on 2026-06-17.

CVE-2021-46279

CVE-2021-46279 is a medium-severity vulnerability in Lannerinc Iac-ast2500a Firmware with a CVSS 3.x base score of 5.8. 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-384.

Key facts

Severity: Medium (CVSS 3.x base score 5.8)
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-384
Affected product: Lannerinc Iac-ast2500a Firmware
Published: 2022-10-24
Last modified: 2026-06-17

Description

Session fixation and insufficient session expiration vulnerabilities allow an attacker to perfom session hijacking attacks against users. This issue affects: Lanner Inc IAC-AST2500A standard firmware version 1.10.0.

Frequently asked questions

What is CVE-2021-46279?: Session fixation and insufficient session expiration vulnerabilities allow an attacker to perfom session hijacking attacks against users. This issue affects: Lanner Inc IAC-AST2500A standard firmware version 1.10.0.
How severe is CVE-2021-46279?: CVE-2021-46279 has a CVSS 3.x base score of 5.8, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2021-46279 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-46279?: CVE-2021-46279 affects Lannerinc Iac-ast2500a Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-46279?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-46279 published?: CVE-2021-46279 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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