CVE-2020-4031

See a problem?
Please try reporting it to the source first.
Source
https://cve.org/CVERecord?id=CVE-2020-4031
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-4031.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2020-4031
Aliases
  • GHSA-gwcq-hpq2-m74g
Downstream
DEBIAN (1)
MGASA (1)
openSUSE (2)
SUSE (3)
UBUNTU (1)
Related
openSUSE (2)
SUSE (3)
Published
2020-06-22T22:15:13Z
Modified
2026-08-18T14:31:37Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

In FreeRDP before version 2.1.2, there is a use-after-free in gdi_SelectObject. All FreeRDP clients using compatibility mode with /relax-order-checks are affected. This is fixed in version 2.1.2.

Database specific 
{
    "unresolved_ranges":  [
        {
            "cpes":  [
                "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:esm:*:*:*",
                "cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*"
            ],
            "extracted_events":  [
                {
                    "introduced":  "18.04"
                },
                {
                    "last_affected":  "18.04"
                },
                {
                    "introduced":  "20.04"
                },
                {
                    "last_affected":  "20.04"
                }
            ],
            "source":  "CPE_STRING",
            "vendor_product":  "canonical:ubuntu_linux"
        },
        {
            "cpes":  [
                "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*"
            ],
            "extracted_events":  [
                {
                    "introduced":  "10.0"
                },
                {
                    "last_affected":  "10.0"
                }
            ],
            "source":  "CPE_STRING",
            "vendor_product":  "debian:debian_linux"
        },
        {
            "cpes":  [
                "cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*",
                "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*"
            ],
            "extracted_events":  [
                {
                    "introduced":  "31"
                },
                {
                    "last_affected":  "31"
                },
                {
                    "introduced":  "32"
                },
                {
                    "last_affected":  "32"
                }
            ],
            "source":  "CPE_STRING",
            "vendor_product":  "fedoraproject:fedora"
        },
        {
            "cpes":  [
                "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*"
            ],
            "extracted_events":  [
                {
                    "introduced":  "15.1"
                },
                {
                    "last_affected":  "15.1"
                }
            ],
            "source":  "CPE_STRING",
            "vendor_product":  "opensuse:leap"
        }
    ]
}
References

Affected packages

Git / github.com/freerdp/freerdp

Affected ranges

Type
GIT
Repo
https://github.com/freerdp/freerdp
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
584efae073386e8c5f6bc265b05c87d508a9bcbc
Fixed
6d86e20e1e7caaab4f0c7f89e36d32914dbccc52
Database specific
Show details 
{
    "cpe":  "cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*",
    "extracted_events":  [
        {
            "introduced":  "0"
        },
        {
            "fixed":  "2.1.2"
        }
    ],
    "source":  [
        "CPE_RANGE",
        "REFERENCES"
    ]
}

Affected versions

1.*
1.0-beta1
1.0-beta2
1.0-beta4
1.0-beta5
1.0.0
1.0.1
1.1.0-beta+2013071101
1.1.0-beta1
1.1.0-beta1+android2
1.1.0-beta1+android3
1.1.0-beta1+android4
1.1.0-beta1+android5
1.1.0-beta1+ios1
1.1.0-beta1+ios2
1.1.0-beta1+ios3
1.1.0-beta1+ios4
1.2.0-beta1+android7
1.2.0-beta1+android9
2.*
2.0.0
2.0.0-beta1+android10
2.0.0-beta1+android11
2.0.0-rc0
2.0.0-rc1
2.0.0-rc2
2.0.0-rc3
2.0.0-rc4
2.1.0
2.1.1

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-4031.json"
vanir_signatures 
[
    {
        "deprecated":  false,
        "digest":  {
            "line_hashes":  [
                "206824409836018329107931826041728959867",
                "260941141889332641186153920543010721710",
                "244372807494333150934362210269961780669",
                "11220332270728209492738135928567876790",
                "109709125800227540552630846963918169160",
                "280502749591609004556720326341572702766",
                "272391707204034853583769809678780120114",
                "153041246365193990729603684708156713072",
                "297327554412935137345118440425799656686",
                "234476187276609072557850772052902601274",
                "320116423252867463164242454449601887554"
            ],
            "threshold":  0.9
        },
        "id":  "CVE-2020-4031-6d8a4e80",
        "signature_type":  "Line",
        "signature_version":  "v1",
        "source":  "https://github.com/freerdp/freerdp/commit/6d86e20e1e7caaab4f0c7f89e36d32914dbccc52",
        "target":  {
            "file":  "server/shadow/shadow_server.c"
        }
    },
    {
        "deprecated":  false,
        "digest":  {
            "function_hash":  "327365352117490775117547188598520203541",
            "length":  1409
        },
        "id":  "CVE-2020-4031-71f28b03",
        "signature_type":  "Function",
        "signature_version":  "v1",
        "source":  "https://github.com/freerdp/freerdp/commit/6d86e20e1e7caaab4f0c7f89e36d32914dbccc52",
        "target":  {
            "file":  "server/shadow/shadow_server.c",
            "function":  "shadow_server_start"
        }
    }
]
vanir_signatures_modified 
"2026-08-18T14:31:37Z"