CVE-2020-13977: fedoraproject fedora
Vulnerability summary
CVE-2020-13977 is a medium (CVSS 4.9) vulnerability in fedoraproject fedora. EPSS estimates a 2.73% chance of exploitation in the next 30 days, higher than 85.8% of scored vulnerabilities. 1 public exploit is recorded.
Advisory lineage
Upstream 0 · Downstream 3 · Related 3Timeline
- 09-06-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated4.9MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
- OSV · DebianEcosystem advisory · calculated4.9MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
EPSS trend
Probability
2.73%
Chance of exploitation in the next 30 days
Percentile
86%
Versus all other CVEs
30-day change
0.00 pp
From 2.73% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (anhtai.me)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Debian1 product
- nagios4< 4.3.4-4
Fedoraproject1 product
- fedoraEOL32 | 33 | 34
Mageia1 product
- nagios< 4.4.3-2.1.mga7
Nagios1 product
- nagios4.4.5
Ubuntu1 product
- nagios4All versions (No fix recorded)
5 vendors · 5 products
References
12 links- github.com/sawolf/nagioscore/tree/url-injection-fixX Refsource MISCREPORTProductThird Party Advisory
