CVE-2022-28711

Name: CVE-2022-28711
Creator: NVD / NIST
Published: 2022-04-14T20:15:09.757+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.64%

Last modified Jun 17, 2026

CVE-2022-28711 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 1.64% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.64%

73.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Ardupilot	Apweb	All versions

References

https://talosintelligence.com/vulnerability_reports/TALOS-2022-1512Exploit, Third Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2022-1512Exploit, Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2022-1512Exploit, Third Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2022-1512Exploit, Third Party Advisory

Timeline

Published: Apr 14, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-28711?

How severe is CVE-2022-28711?

CVE-2022-28711 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.64% probability of exploitation in the next 30 days.

How do I fix CVE-2022-28711?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-28711?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST