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CVE-2021-33357 (GCVE-0-2021-33357)

Vulnerability from cvelistv5 – Published: 2021-06-09 17:51 – Updated: 2024-08-03 23:50
VLAI Shadowserver
Summary
A vulnerability exists in RaspAP 2.6 to 2.6.5 in the "iface" GET parameter in /ajax/networking/get_netcfg.php, when the "iface" parameter value contains special characters such as ";" which enables an unauthenticated attacker to execute arbitrary OS commands.
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
Shadowserver
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 685e1420-7b02-40fa-a91e-62267d1bd9ad

Vulnerability ID: CVE-2021-33357

Status: Confirmed

Status Updated: 2026-09-02 00:00 UTC

Exploited: Yes

Characteristics
Severity: 98.0
Timestamps
First Seen: 2023-10-14
Asserted: 2023-10-14
Last Seen: 2026-09-02
Scope
Asset Exposure: ['internet-facing']
Notes: Affected: RaspAP / RaspAP | Class: router | Severity: Critical (CVSS 9.8) | IoT: yes | In CISA KEV: no | Honeypot connections on 2026-09-02: 6
Evidence

Type: Honeypot

Signal: In The Wild Attempts

Confidence: 70%

Source: shadowserver

Details
1D 1
Iot yes
Feed Shadowserver Foundation honeypot/exploited-vulnerabilities
Type http-scan
Class router
7D Avg 0
Vendor RaspAP
30D Avg 0
90D Avg 1
Product RaspAP
Cisa Kev no
Connections 6
Observation Date 2026-09-02
Vulnerability Class CVSS
Vulnerability Score 9.8
Vulnerability Severity Critical
References
Created: 2026-07-01 05:54 UTC | Updated: 2026-09-04 01:01 UTC
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.

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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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