CVE-2020-13881

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Source
https://cve.org/CVERecord?id=CVE-2020-13881
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-13881.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2020-13881
Downstream
Published
2020-06-06T19:15:09.610Z
Modified
2026-07-08T12:06:16.604619Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
Summary
[none]
Details

In support.c in pam_tacplus 1.3.8 through 1.5.1, the TACACS+ shared secret gets logged via syslog if the DEBUG loglevel and journald are used.

Database specific 
{
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "fixed": "2020.1.2"
                }
            ],
            "source": "CPE_RANGE",
            "vendor_product": "arista:cloudvision_portal",
            "cpes": [
                "cpe:2.3:a:arista:cloudvision_portal:*:*:*:*:*:*:*:*"
            ]
        },
        {
            "extracted_events": [
                {
                    "introduced": "16.04"
                },
                {
                    "last_affected": "16.04"
                },
                {
                    "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:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*",
                "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
                "cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*"
            ]
        },
        {
            "extracted_events": [
                {
                    "introduced": "8.0"
                },
                {
                    "last_affected": "8.0"
                },
                {
                    "introduced": "9.0"
                },
                {
                    "last_affected": "9.0"
                }
            ],
            "source": "CPE_STRING",
            "vendor_product": "debian:debian_linux",
            "cpes": [
                "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
                "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ]
        }
    ]
}
References

Affected packages

Git / github.com/kravietz/pam_tacplus

Affected ranges

Type
GIT
Repo
https://github.com/kravietz/pam_tacplus
Events
Introduced
088dedd6d9b78b7dadd9f772b3d6f597a32d1548
Last affected
a21b05c1fe7ce99aa0ee01809c69b878ba90b122
Fixed
4a9852c31c2fd0c0e72fbb689a586aabcfb11cb0
Database specific 
{
    "source": [
        "CPE_RANGE",
        "REFERENCES"
    ],
    "cpe": "cpe:2.3:a:pam_tacplus_project:pam_tacplus:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "1.3.8"
        },
        {
            "last_affected": "1.5.1"
        }
    ]
}

Affected versions

1.*
1.3.8
1.3.9
v1.*
v1.4.1
v1.5.0-beta.1
v1.5.1

Database specific

vanir_signatures_modified 
"2026-07-08T12:06:16Z"
source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-13881.json"
vanir_signatures 
[
    {
        "id": "CVE-2020-13881-867c5ea3",
        "digest": {
            "line_hashes": [
                "50493327747601994803184485470296647249",
                "243304694626446301564069739451306751369",
                "295339740349483353043127422527639009217",
                "197291942669024249787144713228464574358",
                "49610643164185859089051875687174081841"
            ],
            "threshold": 0.9
        },
        "signature_version": "v1",
        "signature_type": "Line",
        "source": "https://github.com/kravietz/pam_tacplus/commit/4a9852c31c2fd0c0e72fbb689a586aabcfb11cb0",
        "deprecated": false,
        "target": {
            "file": "support.c"
        }
    },
    {
        "id": "CVE-2020-13881-be7678f1",
        "digest": {
            "function_hash": "67182900991507665679698129543518705166",
            "length": 4144.0
        },
        "signature_version": "v1",
        "signature_type": "Function",
        "source": "https://github.com/kravietz/pam_tacplus/commit/4a9852c31c2fd0c0e72fbb689a586aabcfb11cb0",
        "deprecated": false,
        "target": {
            "function": "_pam_parse",
            "file": "support.c"
        }
    }
]