CVE-2020-11086

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Source
https://cve.org/CVERecord?id=CVE-2020-11086
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-11086.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2020-11086
Aliases
  • GHSA-fg8v-w34r-c974
Downstream
Related
Published
2020-05-29T20:15:10Z
Modified
2026-08-18T13:48:35Z
Severity
  • 5.4 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L CVSS Calculator
Summary
[none]
Details

In FreeRDP less than or equal to 2.0.0, there is an out-of-bound read in ntlm_read_ntlm_v2_client_challenge that reads up to 28 bytes out-of-bound to an internal structure. This has been fixed in 2.1.0.

Database specific 
{
    "unresolved_ranges":  [
        {
            "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: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
11b9b1ca6be433f1da5bbf5e152d554d3eb67ac6
Fixed
c098f21fdaadca57ff649eee1674f6cc321a2ec4
Database specific
Show details 
{
    "cpe":  "cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*",
    "extracted_events":  [
        {
            "introduced":  "0"
        },
        {
            "fixed":  "2.1.0"
        }
    ],
    "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

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-11086.json"
vanir_signatures 
[
    {
        "deprecated":  false,
        "digest":  {
            "line_hashes":  [
                "211676456731767137019728773717396383906",
                "142002718534890085186882303774041871813",
                "326590373457921532474577125776340758673",
                "92446602161392049848322987325756642675",
                "244837119603015813013823863255436314461",
                "88986712316767417463579653199593800425",
                "205040071286649792016492765856929257982",
                "322933729723612140702113726666585771660"
            ],
            "threshold":  0.9
        },
        "id":  "CVE-2020-11086-5849ac3d",
        "signature_type":  "Line",
        "signature_version":  "v1",
        "source":  "https://github.com/freerdp/freerdp/commit/c098f21fdaadca57ff649eee1674f6cc321a2ec4",
        "target":  {
            "file":  "winpr/libwinpr/sspi/NTLM/ntlm_compute.c"
        }
    },
    {
        "deprecated":  false,
        "digest":  {
            "function_hash":  "191925567384038713584274953095323463496",
            "length":  652
        },
        "id":  "CVE-2020-11086-a90348c5",
        "signature_type":  "Function",
        "signature_version":  "v1",
        "source":  "https://github.com/freerdp/freerdp/commit/c098f21fdaadca57ff649eee1674f6cc321a2ec4",
        "target":  {
            "file":  "winpr/libwinpr/sspi/NTLM/ntlm_compute.c",
            "function":  "ntlm_read_ntlm_v2_client_challenge"
        }
    }
]
vanir_signatures_modified 
"2026-08-18T13:48:35Z"