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CVE-2020-6581

19
FAUCET Score

CVE-2020-6581 describes a command injection vulnerability in Nagios NRPE 3.2.1, affecting fedoraproject and nagios remote_plug_in_executor. The flaw stems from insufficient filtering where newline characters are misinterpreted, allowing for arbitrary command execution. Rated 7.3 HIGH, this vulnerability requires local access and user interaction, but successful exploitation could lead to high impact on confidentiality, integrity, and availability. There is currently no public exploit code, active exploitation, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
3.2.1CPE matchmatch criteria
cpe:2.3:a:nagios:remote_plug_in_executor:3.2.1:*:*:*:*:*:*:*
32CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.3HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.3
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.61%
Probability of exploitation in next 30 days
EPSS Percentile
73.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0161 is in the 91st percentile among its peer group of 759 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2020-6581Moderate

nrpe: insufficient filtering and incorrect parsing of the configuration file may lead to command injection

Mar 4, 2020

References

herolab.usd.de / security-advisories
Third Party Advisory
herolab.usd.de / security-advisories/usd-2020-0002
ExploitThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/2DNGKXVDB43E3KQRA6W5QZT3Z46XZLQM