Vulnerability Name:

CVE-2020-6581 (CCN-178004)

Assigned:2019-09-05
Published:2019-09-05
Updated:2021-07-21
Summary:Nagios NRPE 3.2.1 has Insufficient Filtering because, for example, nasty_metachars interprets \n as the character \ and the character n (not as the \n newline sequence). This can cause command injection.
CVSS v3 Severity:7.3 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H)
6.4 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
7.3 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
6.4 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:3.7 Low (CVSS v2 Vector: AV:L/AC:H/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): High
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
7.5 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-74
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2020-6581

Source: XF
Type: UNKNOWN
nagios-nrpe-cve20206581-cmd-exec(178004)

Source: MISC
Type: Third Party Advisory
https://herolab.usd.de/security-advisories/

Source: CCN
Type: usd-2020-0002
(CVE-2020-6581) | Nagios NRPE v.3.2.1

Source: MISC
Type: Exploit, Third Party Advisory
https://herolab.usd.de/security-advisories/usd-2020-0002/

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2020-d436ed655f

Source: CCN
Type: Nagios Web site
Nagios - The Industry Standard In IT Infrastructure Monitoring

Vulnerable Configuration:Configuration 1:
  • cpe:/a:nagios:remote_plug_in_executor:3.2.1:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/o:fedoraproject:fedora:32:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.bionic:def:202065810000000
    V
    		CVE-2020-6581 on Ubuntu 18.04 LTS (bionic) - low.
    2020-03-16
    oval:com.ubuntu.xenial:def:202065810000000
    V
    		CVE-2020-6581 on Ubuntu 16.04 LTS (xenial) - medium.
    2020-03-16
    BACK
    nagios remote plug in executor 3.2.1
    fedoraproject fedora 32