CVE-2021-31999

See a problem?
Please try reporting it to the source first.
Source
https://cve.org/CVERecord?id=CVE-2021-31999
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-31999.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-31999
Aliases
Published
2021-07-15T09:15:08.210Z
Modified
2026-04-12T03:26:17.900515Z
Severity
  • 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

A Reliance on Untrusted Inputs in a Security Decision vulnerability in Rancher allows users in the cluster to act as others users in the cluster by forging the "Impersonate-User" or "Impersonate-Group" headers. This issue affects: Rancher versions prior to 2.5.9. Rancher versions prior to 2.4.16.

References

Affected packages

Git / github.com/rancher/rancher

Affected ranges

Type
GIT
Repo
https://github.com/rancher/rancher
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
c29a771063e6926df6916990f1730e0574042ba8
Introduced
65f3525cdc1167872af4140d45f3153698450c52
Fixed
3c54189441fdac08fd4a1b3113216e085004f061
Database specific 
{
    "cpe": "cpe:2.3:a:rancher:rancher:*:*:*:*:*:*:*:*",
    "source": "CPE_FIELD",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "2.4.16"
        },
        {
            "introduced": "2.5.0"
        },
        {
            "fixed": "2.5.9"
        }
    ]
}

Affected versions

2.*
2.4.8-rc2
v2.*
v2.0.0
v2.0.0-alpha11
v2.0.0-alpha12
v2.0.0-alpha14
v2.0.0-alpha17
v2.0.0-alpha18
v2.0.0-alpha19
v2.0.0-alpha20
v2.0.0-alpha21
v2.0.0-alpha22
v2.0.0-alpha23
v2.0.0-alpha24
v2.0.0-alpha25
v2.0.0-alpha26
v2.0.0-alpha27
v2.0.0-alpha28
v2.0.0-beta1
v2.0.0-beta2
v2.0.0-beta3
v2.0.0-beta3-rc1
v2.0.0-beta4
v2.0.0-beta4-rc1
v2.0.0-beta4-rc2
v2.0.0-beta4-rc3
v2.0.0-beta4-rc4
v2.0.0-rc1
v2.0.0-rc2
v2.0.0-rc3
v2.0.0-rc4
v2.0.0-rc5
v2.0.1
v2.0.1-rc1
v2.0.1-rc2
v2.0.1-rc3
v2.0.1-rc4
v2.0.1-rc5
v2.0.1-rc6
v2.0.2
v2.0.2-rc1
v2.0.3
v2.0.3-rc1
v2.0.3-rc2
v2.0.3-rc3
v2.0.3-rc4
v2.0.3-rc5
v2.0.4
v2.0.4-rc1
v2.0.5
v2.0.5-rc1
v2.0.5-rc2
v2.0.5-rc3
v2.0.5-rc4
v2.0.5-rc5
v2.0.5-rc6
v2.0.6
v2.0.6-rc1
v2.0.6-rc2
v2.0.7
v2.0.7-rc1
v2.0.7-rc2
v2.0.7-rc3
v2.0.7-rc4
v2.0.7-rc5
v2.0.7-rc6
v2.0.8-rc2
v2.1.0
v2.1.0-rc1
v2.1.0-rc10
v2.1.0-rc2
v2.1.0-rc3
v2.1.0-rc4
v2.1.0-rc5
v2.1.0-rc6
v2.1.0-rc7
v2.1.0-rc8
v2.1.0-rc9
v2.2.0
v2.2.0-rc1
v2.2.0-rc10
v2.2.0-rc11
v2.2.0-rc12
v2.2.0-rc13
v2.2.0-rc14
v2.2.0-rc15
v2.2.0-rc2
v2.2.0-rc3
v2.2.0-rc4
v2.2.0-rc5
v2.2.0-rc6
v2.2.0-rc7
v2.2.0-rc8
v2.2.0-rc9
v2.3.0-alpha4
v2.3.0-alpha5
v2.3.0-alpha6
v2.3.0-alpha7
v2.3.0-rc1
v2.3.0-rc10
v2.3.0-rc2
v2.3.0-rc3
v2.3.0-rc4
v2.3.0-rc5
v2.3.0-rc6
v2.3.0-rc7
v2.3.0-rc8
v2.3.0-rc9
v2.4.0
v2.4.0-alpha1
v2.4.0-rc1
v2.4.0-rc10
v2.4.0-rc11
v2.4.0-rc12
v2.4.0-rc13
v2.4.0-rc14
v2.4.0-rc15
v2.4.0-rc16
v2.4.0-rc17
v2.4.0-rc18
v2.4.0-rc2
v2.4.0-rc3
v2.4.0-rc4
v2.4.0-rc5
v2.4.0-rc6
v2.4.0-rc7
v2.4.0-rc8
v2.4.0-rc9
v2.4.1-rc1
v2.4.1-rc2
v2.4.10
v2.4.10-rc1
v2.4.11
v2.4.11-rc1
v2.4.11-rc2
v2.4.11-rc3
v2.4.11-rc4
v2.4.11-rc5
v2.4.11-rc6
v2.4.13
v2.4.13-rc1
v2.4.13-rc2
v2.4.13-rc3
v2.4.13-rc4
v2.4.13-rc5
v2.4.13-rc6
v2.4.14
v2.4.14-rc1
v2.4.14-rc2
v2.4.14-rc3
v2.4.14-rc4
v2.4.15
v2.4.16-rc1
v2.4.16-rc2
v2.4.16-rc3
v2.4.16-rc4
v2.4.16-rc5
v2.4.2
v2.4.2-rc1
v2.4.2-rc2
v2.4.2-rc3
v2.4.3
v2.4.3-rc1
v2.4.3-rc2
v2.4.3-rc3
v2.4.3-rc4
v2.4.3-rc5
v2.4.3-rc6
v2.4.3-rc7
v2.4.4-rc1
v2.4.5
v2.4.5-rc1
v2.4.5-rc10
v2.4.5-rc2
v2.4.5-rc3
v2.4.5-rc4
v2.4.5-rc5
v2.4.5-rc6
v2.4.5-rc7
v2.4.5-rc8
v2.4.5-rc9
v2.4.6
v2.4.6-rc1
v2.4.6-rc10
v2.4.6-rc11
v2.4.6-rc12
v2.4.6-rc2
v2.4.6-rc3
v2.4.6-rc4
v2.4.6-rc5
v2.4.6-rc6
v2.4.6-rc7
v2.4.6-rc8
v2.4.6-rc9
v2.4.7
v2.4.7-rc1
v2.4.7-rc2
v2.4.7-rc3
v2.4.8
v2.4.8-rc1
v2.4.8-rc2
v2.4.8-rc3
v2.4.9
v2.4.9-rc1
v2.4.9-rc10
v2.4.9-rc11
v2.4.9-rc12
v2.4.9-rc2
v2.4.9-rc3
v2.4.9-rc4
v2.4.9-rc5
v2.4.9-rc6
v2.4.9-rc7
v2.4.9-rc8
v2.4.9-rc9
v2.5.0
v2.5.0-rc9
v2.5.1
v2.5.1-rc1
v2.5.2
v2.5.2-rc
v2.5.2-rc1
v2.5.2-rc10
v2.5.2-rc2
v2.5.2-rc3
v2.5.2-rc4
v2.5.2-rc5
v2.5.2-rc6
v2.5.2-rc7
v2.5.2-rc8
v2.5.2-rc9
v2.5.4
v2.5.4-rc1
v2.5.4-rc2
v2.5.4-rc3
v2.5.4-rc4
v2.5.4-rc5
v2.5.4-rc6
v2.5.4-rc7
v2.5.4-rc8
v2.5.4-rc9
v2.5.6
v2.5.6-rc1
v2.5.6-rc2
v2.5.6-rc3
v2.5.6-rc4
v2.5.6-rc5
v2.5.6-rc6
v2.5.6-rc7
v2.5.6-rc8
v2.5.6-rc9
v2.5.8
v2.5.8-patch1
v2.5.8-rc10
v2.5.8-rc11
v2.5.8-rc12
v2.5.8-rc13
v2.5.8-rc14
v2.5.8-rc15
v2.5.8-rc16
v2.5.8-rc17
v2.5.8-rc18
v2.5.8-rc19
v2.5.8-rc2
v2.5.8-rc20
v2.5.8-rc21
v2.5.8-rc3
v2.5.8-rc4
v2.5.8-rc5
v2.5.8-rc6
v2.5.8-rc7
v2.5.8-rc8
v2.5.8-rc9
v2.5.9-rc1
v2.5.9-rc10
v2.5.9-rc11
v2.5.9-rc12
v2.5.9-rc13
v2.5.9-rc14
v2.5.9-rc15
v2.5.9-rc2
v2.5.9-rc3
v2.5.9-rc4
v2.5.9-rc5
v2.5.9-rc6
v2.5.9-rc7
v2.5.9-rc8
v2.5.9-rc9

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-31999.json"