Security readout for executives and security teams
Plain-English summary
CVE-2020-25559 describes a double-free memory bug in gnuplot 5.5 during print_set_output handling. The public record says impact may include context-dependent arbitrary code execution, but it does not provide CVSS scoring, fixed-version details, or evidence of exploitation.
Executive priority
Treat this as a scoping task first. Potential arbitrary code execution is serious, but the available sources lack severity scoring, exploit evidence, and fixed-version detail. Prioritize internet-facing or user-input-driven plotting workflows.
Technical view
The issue is a double free in gnuplot 5.5 when executing print_set_output. That class of flaw can corrupt heap memory and may enable arbitrary code execution depending on runtime context. The supplied affected-product metadata is incomplete.
Likely exposure
Exposure is most plausible where gnuplot 5.5 processes untrusted plot commands, generated scripts, uploaded files, or automated report jobs. Local-only, trusted use is likely lower risk, but the source bundle does not define attack prerequisites.
Exploitation context
The CVE is not listed as KEV, and the provided sources do not claim active exploitation. Public evidence supports a potential code-execution impact, not a confirmed exploitation campaign or reliable exploit path.
Researcher notes
The evidence base is thin: one SourceForge bug reference, no CVSS, no CWE, no KEV listing, and incomplete affected-product metadata. Validate upstream fix history before assigning final severity or remediation deadlines.
Mitigation direction
- Inventory systems and packages for gnuplot 5.5.
- Check gnuplot or distributor guidance for fixed versions.
- Upgrade if vendor or package maintainer identifies a patched release.
- Avoid processing untrusted gnuplot scripts or generated plot input.
- Run automated gnuplot processing with least privilege and isolation.
Validation and detection
- Confirm installed gnuplot versions through software inventory.
- Identify workflows that pass user-controlled input to gnuplot.
- Review package changelogs for CVE-2020-25559 or bug 2312 references.
- Verify batch jobs run with restricted permissions.
- Document whether exposure is local-only or user-input reachable.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
Execution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2020-25559 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://sourceforge.net/p/gnuplot/bugs/2312/CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.