Vulnerability in Nagios

CVE-2016-9565

MagpieRSS, as used in the front-end component in Nagios Core before 4.2.2 might allow remote attackers to read or write to arbitrary files by spoofing a crafted response from the Nagios RSS feed server. NOTE: this vulnerability exists because of an incomplete fix for CVE-2008-4796.

EPSS: 0.227 (97.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2016-9565?
CVE-2016-9565 is a critical-severity vulnerability in Nagios, classified under Improper Access Control. CVSS score: 9.8/10. Published 2016-12-15.
How severe is CVE-2016-9565?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2016-9565 known to be exploited?
5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.