4.9
MEDIUM
CVE-2020-13977
Nagios Config File Remote Code Execution Vulnerability
Description

Nagios 4.4.5 allows an attacker, who already has administrative access to change the "URL for JSON CGIs" configuration setting, to modify the Alert Histogram and Trends code via crafted versions of the archivejson.cgi, objectjson.cgi, and statusjson.cgi files. NOTE: this vulnerability has been mistakenly associated with CVE-2020-1408.

INFO

Published Date :

June 9, 2020, 2:15 p.m.

Last Modified :

Nov. 7, 2023, 3:17 a.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

1.2
Affected Products

The following products are affected by CVE-2020-13977 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Fedoraproject fedora
1 Nagios nagios

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-13977 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-13977 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H7T6MSDWMBJEVVFSOK7DOYJJWDAFQCEQ/ [No types assigned]
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JUEIABR4Y6L5J5MZDFWU46ZWXMJO64U3/ [No types assigned]
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5P6NHNG2SJAM6DXVTXQH3AOJ4WQVKJUE/ [No types assigned]
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/H7T6MSDWMBJEVVFSOK7DOYJJWDAFQCEQ/
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/JUEIABR4Y6L5J5MZDFWU46ZWXMJO64U3/
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/5P6NHNG2SJAM6DXVTXQH3AOJ4WQVKJUE/
  • CWE Remap by [email protected]

    Jul. 21, 2021

    Action Type Old Value New Value
    Changed CWE CWE-74 CWE-829
  • Modified Analysis by [email protected]

    Mar. 24, 2021

    Action Type Old Value New Value
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/5P6NHNG2SJAM6DXVTXQH3AOJ4WQVKJUE/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/5P6NHNG2SJAM6DXVTXQH3AOJ4WQVKJUE/ Mailing List, Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* OR *cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Mar. 19, 2021

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/5P6NHNG2SJAM6DXVTXQH3AOJ4WQVKJUE/ [No Types Assigned]
  • Modified Analysis by [email protected]

    Mar. 18, 2021

    Action Type Old Value New Value
    Changed Reference Type https://github.com/sawolf/nagioscore/tree/url-injection-fix Third Party Advisory https://github.com/sawolf/nagioscore/tree/url-injection-fix Product, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/H7T6MSDWMBJEVVFSOK7DOYJJWDAFQCEQ/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/H7T6MSDWMBJEVVFSOK7DOYJJWDAFQCEQ/ Mailing List, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/JUEIABR4Y6L5J5MZDFWU46ZWXMJO64U3/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/JUEIABR4Y6L5J5MZDFWU46ZWXMJO64U3/ Mailing List, Third Party Advisory
    Changed Reference Type https://www.nagios.org/projects/nagios-core/history/4x/ Release Notes, Third Party Advisory https://www.nagios.org/projects/nagios-core/history/4x/ Release Notes, Vendor Advisory
    Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Mar. 07, 2021

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/H7T6MSDWMBJEVVFSOK7DOYJJWDAFQCEQ/ [No Types Assigned]
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/JUEIABR4Y6L5J5MZDFWU46ZWXMJO64U3/ [No Types Assigned]
  • CVE Modified by [email protected]

    Jul. 14, 2020

    Action Type Old Value New Value
    Changed Description Nagios 4.4.5 allows an attacker, who already has administrative access to change the "URL for JSON CGIs" configuration setting, to modify the Alert Histogram and Trends code via crafted versions of the archivejson.cgi, objectjson.cgi, and statusjson.cgi files. Nagios 4.4.5 allows an attacker, who already has administrative access to change the "URL for JSON CGIs" configuration setting, to modify the Alert Histogram and Trends code via crafted versions of the archivejson.cgi, objectjson.cgi, and statusjson.cgi files. NOTE: this vulnerability has been mistakenly associated with CVE-2020-1408.
  • Initial Analysis by [email protected]

    Jun. 12, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:N/I:P/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
    Changed Reference Type https://anhtai.me/nagios-core-4-4-5-url-injection/ No Types Assigned https://anhtai.me/nagios-core-4-4-5-url-injection/ Exploit, Third Party Advisory
    Changed Reference Type https://github.com/sawolf/nagioscore/tree/url-injection-fix No Types Assigned https://github.com/sawolf/nagioscore/tree/url-injection-fix Third Party Advisory
    Changed Reference Type https://www.nagios.org/projects/nagios-core/history/4x/ No Types Assigned https://www.nagios.org/projects/nagios-core/history/4x/ Release Notes, Third Party Advisory
    Added CWE NIST CWE-74
    Added CPE Configuration OR *cpe:2.3:a:nagios:nagios:4.4.5:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.15 }} -0.02%

score

0.52077

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability