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CVE-2020-25559

20
FAUCET Score

CVE-2020-25559 describes a double free vulnerability in gnuplot version 5.5, specifically within the print_set_output function. This flaw could lead to context-dependent arbitrary code execution, impacting the confidentiality, integrity, and availability of affected systems. With a CVSS score of 7.8 (High), it requires user interaction and local access for exploitation, but the potential impact is significant. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
5.5.0CPE matchmatch criteria
cpe:2.3:a:gnuplot:gnuplot:5.5.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.56%
Probability of exploitation in next 30 days
EPSS Percentile
72.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0156 is in the 71st percentile among its peer group of 11,621 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 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (2)

redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: gnuplot
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: gnuplot

Vendor Advisories (1)

redhatCVE-2020-25559Moderate

gnuplot: double free when executing print_set_output may lead to arbitrary code execution

Sep 16, 2020

References

sourceforge.net / p/gnuplot/bugs/2312
ExploitPatchThird Party Advisory