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CRITICAL

CVE-2022-28711

CVSS v3

9.8

CRITICAL

EPSS Score

1.7 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

A memory corruption vulnerability exists in the cgi.c unescape functionality of ArduPilot APWeb master branch 50b6b7ac - master branch 46177cb9. A specially-crafted HTTP request can lead to memory corruption. An attacker can send a network request to trigger this vulnerability.

Technical details

Published
2022-04-14

Frequently asked questions

What is CVE-2022-28711?

A memory corruption vulnerability exists in the cgi.c unescape functionality of ArduPilot APWeb master branch 50b6b7ac - master branch 46177cb9. A specially-crafted HTTP request can lead to memory corruption. An attacker can send a network request to trigger this vulnerability.

Is CVE-2022-28711 actively exploited?

Active exploitation of CVE-2022-28711 has not been confirmed. Its EPSS score was 1.7% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-28711?

CVE-2022-28711 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2022-28711 affecting your environment?

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