CVE-2014-2913

Remote Plugin Executor vulnerability

CVSS

7.5

EPSS

15.3%

EPSS pct

96th

Exploited

No known

Incomplete blacklist vulnerability in nrpe.c in Nagios Remote Plugin Executor (NRPE) 2.15 and earlier allows remote attackers to execute arbitrary commands via a newline character in the -a option to libexec/check_nrpe. NOTE: this issue is disputed by multiple parties. It has been reported that the vendor allows newlines as "expected behavior." Also, this issue can only occur when the administrator enables the "dont_blame_nrpe" option in nrpe.conf despite the "HIGH security risk" warning within the comments

Affected vendor

Nagios

Affected product

Remote Plugin Executor

CVSS vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Published

2014-05-07

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to partial impact to confidentiality, partial impact to integrity, partial impact to availability.

Its EPSS score of 15.3% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2014-2913

Confirm whether Nagios Remote Plugin Executor is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2014-2913.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2014-2913

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2014-2913 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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