CVE-2021-25297 (GCVE-0-2021-25297)
Vulnerability from cvelistv5 – Published: 2021-02-15 00:00 – Updated: 2026-07-09 00:12Summary
Nagios XI version xi-5.7.5 is affected by OS command injection. The vulnerability exists in the file /usr/local/nagiosxi/html/includes/configwizards/switch/switch.inc.php due to improper sanitization of authenticated user-controlled input by a single HTTP request, which can lead to OS command injection on the Nagios XI server.
Severity
8.8 (High)
SSVC
Exploitation: active
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-02-04 19:46 UTC
CWE
- n/a
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
6 references
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 0d247ddc-1012-4146-b6c6-6f10b0d2e0ed
Exploited: Yes
Timestamps
First Seen: 2022-01-18
Asserted: 2022-01-18
Scope
Notes: KEV entry: Nagios XI OS Command Injection | Affected: Nagios / Nagios XI | Description: Nagios XI contains a vulnerability which can lead to OS command injection on the Nagios XI server. | Required action: Apply updates per vendor instructions. | Due date: 2022-02-01 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://nvd.nist.gov/vuln/detail/CVE-2021-25297
Evidence
Type: Vendor Report
Signal: Successful Exploitation
Confidence: 80%
Source: cisa-kev
Details
| Cwes | CWE-78 CWE-138 |
|---|---|
| Feed | CISA Known Exploited Vulnerabilities Catalog |
| Product | Nagios XI |
| Due Date | 2022-02-01 |
| Date Added | 2022-01-18 |
| Vendorproject | Nagios |
| Vulnerabilityname | Nagios XI OS Command Injection |
| Knownransomwarecampaignuse | Unknown |
References
Created: 2026-02-02 13:25 UTC
| Updated: 2026-02-06 07:53 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 5fd19200-f51e-4ef7-a387-5cedb1bf210e
Exploited: Yes
Timestamps
First Seen: 2022-01-18
Asserted: 2022-01-18
Scope
Notes: KEVIntel entry: Nagios XI version xi-5.7.5 is affected by OS command injection. The vulnerability exists in the file... | Affected: Nagios / Nagios XI | CVSS: 8.8 (HIGH) | Used in malware: unknown | Not yet in CISA KEV: False
Evidence
Type: Public Report
Signal: Successful Exploitation
Confidence: 70%
Source: kevintel
Details
| Feed | KEVIntel (kevintel.com) |
|---|---|
| Title | Nagios XI version xi-5.7.5 is affected by OS command injection. The vulnerability exists in the file... |
| Vendor | Nagios |
| Product | Nagios XI |
| Added Date | 2022-01-18T00:00:00.000Z |
| Cvss Score | 8.8 |
| Epss Score | None |
| Cvss Severity | HIGH |
| Epss Percentile | None |
| Used In Malware | unknown |
| Ahead Of Cisa Kev | None |
| Not Yet In Cisa Kev | False |
References
Created: 2026-06-23 11:13 UTC
| Updated: 2026-06-23 11:13 UTC
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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
| Author | Source | Type | Date | Other |
|---|
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.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- 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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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
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.
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