CVE-2021-44168 (GCVE-0-2021-44168)
Vulnerability from cvelistv5 – Published: 2022-01-04 12:38 – Updated: 2025-10-21 23:15Summary
A download of code without integrity check vulnerability in the "execute restore src-vis" command of FortiOS before 7.0.3 may allow a local authenticated attacker to download arbitrary files on the device via specially crafted update packages.
Severity
SSVC
Exploitation: active
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-22 20:20 UTC
CWE
- Execute unauthorized code or commands
- CWE-494 - Download of Code Without Integrity Check
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://fortiguard.com/psirt/FG-IR-21-201 | x_refsource_CONFIRM |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Fortinet | Fortinet FortiOS |
Affected:
FortiOS before 7.0.3
|
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: c8590d91-c7e6-4ae3-bb23-958c5a56c8d4
Exploited: Yes
Timestamps
First Seen: 2021-12-10
Asserted: 2021-12-10
Scope
Notes: Fortinet FortiOS Arbitrary File Download | Affected: Fortinet / FortiOS | Description: Fortinet FortiOS "execute restore src-vis" downloads code without integrity checking, allowing an attacker to arbitrarily download files. | Required action: Apply updates per vendor instructions. | Due date: 2021-12-24 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://nvd.nist.gov/vuln/detail/CVE-2021-44168
Evidence
Type: Vendor Report
Signal: Successful Exploitation
Confidence: 80%
Source: cisa-kev
Details
| Cwes | CWE-494 |
|---|---|
| Feed | CISA Known Exploited Vulnerabilities Catalog |
| Product | FortiOS |
| Due Date | 2021-12-24 |
| Date Added | 2021-12-10 |
| Vendorproject | Fortinet |
| Vulnerabilityname | Fortinet FortiOS Arbitrary File Download |
| Knownransomwarecampaignuse | Unknown |
References
Created: 2026-10-02 08:10 CEST
| Updated: 2026-10-02 08:10 CEST
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 678ffe82-2b3e-4aa8-9ae6-60b9b5bdb87b
Exploited: Yes
Timestamps
First Seen: 2021-12-10
Asserted: 2021-12-10
Scope
Notes: A download of code without integrity check vulnerability in the "execute restore src-vis" command of FortiOS before 7.0.3 may allow a local... | Affected: Fortinet / Fortinet FortiOS | CVSS: 3.3 (LOW) | EPSS: 0.00865 | Used in malware: unknown | Not yet in CISA KEV: False
Evidence
Type: Public Report
Signal: Successful Exploitation
Confidence: 70%
Source: previdian
Details
| Feed | Previdian (previdian.com) |
|---|---|
| Title | A download of code without integrity check vulnerability in the "execute restore src-vis" command of FortiOS before 7.0.3 may allow a local... |
| Cve Id | CVE-2021-44168 |
| Vendor | Fortinet |
| Ghsa Id | None |
| Product | Fortinet FortiOS |
| Added Date | 2021-12-10T00:00:00.000Z |
| Cvss Score | 3.3 |
| Epss Score | 0.00865 |
| Previous Ids | |
| Cvss Severity | LOW |
| Virtual Patch | False |
| Cvss Estimated | False |
| Epss Percentile | 0.57154 |
| Used In Malware | unknown |
| Vulnerability Id | CVE-2021-44168 |
| Ahead Of Cisa Kev | None |
| Not Yet In Cisa Kev | False |
References
Created: 2026-10-02 09:10 CEST
| Updated: 2026-10-02 09:10 CEST
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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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