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Public proof of concept

CVE-2022-28711

A public proof of concept exists; no exploitation attested.

  • Published2022-04-14
  • WeaknessCWE-20 · CWE-787

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2022-04-1420:15CVE publishedNVD

Versions per branch

NVD
Ardupilot apweb
BranchAffectedFixed in
—all versionsno fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As talos, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • ArduPilot APWeb
    Affected
    • = master commit 50b6b7ac - master commit 46177cb9no fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2022-07-27

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • CISA-ADPSSVC decisionpoc2025-04-15
  • NVDCVSS 3.19.8read 2026-10-23
  • CNACVSS 3.05.3known since 2026-10-23
  • NVDCVSS 2.07.5read 2026-10-23
  • CNAweakness (CWE)CWE-20known since 2026-10-23
  • NVDweakness (CWE)CWE-787read 2026-10-23
  • FIRST EPSSEPSS score1.7 %2026-11-08
  • GitHub Advisoriesadvisory—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2022-04-14
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-g969-j9qm-fx8r

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?

A proof-of-concept exploit exists for CVE-2022-28711, but active exploitation has not been confirmed at this time.

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

CVE-2022-28711 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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