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CVE-2025-34030

sar2html OS Command Injection

CVSS 4.0 Critical 10.0

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Description

An OS command injection vulnerability exists in sar2html version 3.2.2 and prior via the plot parameter in index.php. The application fails to sanitize user-supplied input before using it in a system-level context. Remote, unauthenticated attackers can inject shell commands by appending them to the plot parameter (e.g., ?plot=;id) in a crafted GET request. The output of the command is displayed in the application's interface after interacting with the host selection UI. Successful exploitation leads to arbitrary command execution on the underlying system. Exploitation evidence was observed by the Shadowserver Foundation on 2025-02-04 UTC.

Official description from the CVE record, published by VulnCheck. Copyright © 1999-2026 The MITRE Corporation. See /security/cve/legal for the CVE license. View the record on cve.org

Key data

CVSS 4.0 Critical 10.0

Score published by VulnCheck in the CVE record.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

  • Attack vector: Network

    The vulnerable component can be reached over a network, possibly from the Internet.

  • Attack complexity: Low

    No measurable action is needed to get around the system's built-in security controls. The attack is repeatable.

  • Attack requirements: None

    The attack works without any special deployment or execution conditions.

  • Privileges required: None

    No account or privileges are needed.

  • User interaction: None

    No action from any user is needed.

  • Vulnerable system: confidentiality: High

    Serious or total effect on the secrecy of data.

  • Vulnerable system: integrity: High

    Serious or total effect on the trustworthiness of data.

  • Vulnerable system: availability: High

    Serious or total effect on availability.

  • Subsequent systems: confidentiality: High

    Serious or total effect on other systems' data secrecy.

  • Subsequent systems: integrity: High

    Serious or total effect on other systems' data trustworthiness.

  • Subsequent systems: availability: High

    Serious or total effect on other systems' availability.

CVSS is owned and managed by FIRST.Org, Inc. (FIRST) and is used by permission. Each CVSS score on this site is shown together with its vector string, as published in the CVE record by the source named next to it. Learn more at first.org/cvss.

EPSS

Exploit Prediction Scoring System by FIRST: an estimate of the probability that exploitation activity will be observed in the next 30 days.
Score
0.52189 (52.2% probability)
Percentile
99.0%
Scores of
Nov 10, 2026
Model
v2026.06.15

CISA assessment as of Dec 23, 2025

Stakeholder-Specific Vulnerability Categorization (SSVC) decision points added by CISA.
Exploitation
Public proof of concept recorded by CISA
Automatable
yes
Technical impact
total

Weakness (CWE)

CWE catalog version 5.0.
CWE names: Copyright © 2006-2026, The MITRE Corporation. See /security/cve/legal for the CWE license.
  • CWE-78Improper Neutralization of Special Elements used in an OS Command

Affected products

Products listed in the CVE record, as the CNA published them.

  • sar2html

    • affected: up to 3.2.2

References

Links listed in the CVE record. They lead to other sites, which CubePath does not control.

Timeline

  1. ID reserved
  2. Record published
  3. Record last updated

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About CubePath

CubePath is a cloud provider with data centers in Europe and the United States. It offers VPS, bare metal servers and DDoS protection.
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Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:53 UTC. Sources and licenses