CVE-2021-30461 (GCVE-0-2021-30461)

Vulnerability from cvelistv5 – Published: 2021-05-29 13:02 – Updated: 2024-08-03 22:32
VLAI Previdian
Summary
A remote code execution issue was discovered in the web UI of VoIPmonitor before 24.61. When the recheck option is used, the user-supplied SPOOLDIR value (which might contain PHP code) is injected into config/configuration.php.
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • n/a
Assigner
References
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 7dbd5842-414f-47ac-b80f-e6ae545f4ec9

Vulnerability ID: CVE-2021-30461

Status: Confirmed

Status Updated: 2021-05-29 15:02 CEST

Exploited: Yes

Timestamps
First Seen: 2021-05-29
Asserted: 2021-05-29
Scope
Notes: A remote code execution issue was discovered in the web UI of VoIPmonitor before 24.61. When the recheck option is used, the user-supplied SPOOLDIR... | Affected: VoIPmonitor / VoIPmonitor | CVSS: 9.8 (CRITICAL) | EPSS: 0.36632 | Used in malware: unknown | Not yet in CISA KEV: True
Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: previdian

Details
Feed Previdian (previdian.com)
Title A remote code execution issue was discovered in the web UI of VoIPmonitor before 24.61. When the recheck option is used, the user-supplied SPOOLDIR...
Cve Id CVE-2021-30461
Vendor VoIPmonitor
Ghsa Id None
Product VoIPmonitor
Added Date 2021-05-29T13:02:12.000Z
Cvss Score 9.8
Epss Score 0.36632
Previous Ids
Cvss Severity CRITICAL
Virtual Patch False
Cvss Estimated False
Epss Percentile 0.98455
Used In Malware unknown
Vulnerability Id CVE-2021-30461
Ahead Of Cisa Kev None
Not Yet In Cisa Kev True
References
Created: 2026-10-02 09:11 CEST | Updated: 2026-10-02 09:11 CEST
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.