CVE-2021-46850
CVE-2021-46850 is a high-severity vulnerability in Vestacp Control Panel with a CVSS 3.x base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-88.
Key facts
- Severity: High (CVSS 3.x base score 7.2)
- EPSS exploit prediction: 5% (92nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-88
- Affected product: Vestacp Control Panel
- Published:
- Last modified:
Description
myVesta Control Panel before 0.9.8-26-43 and Vesta Control Panel before 0.9.8-26 are vulnerable to command injection. An authenticated and remote administrative user can execute arbitrary commands via the v_sftp_license parameter when sending HTTP POST requests to the /edit/server endpoint.
Frequently asked questions
- What is CVE-2021-46850?
- myVesta Control Panel before 0.9.8-26-43 and Vesta Control Panel before 0.9.8-26 are vulnerable to command injection. An authenticated and remote administrative user can execute arbitrary commands via the v_sftp_license parameter when sending HTTP POST requests to the /edit/server endpoint.
- How severe is CVE-2021-46850?
- CVE-2021-46850 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-46850 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-46850?
- CVE-2021-46850 primarily affects Vestacp Control Panel. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2021-46850?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2021-46850 published?
- CVE-2021-46850 was published on 2022-10-24 and last updated on 2026-06-17.
References
- https://blog.talosintelligence.com/2021/06/necro-python-bot-adds-new-tricks.html
- https://github.com/myvesta/vesta/commit/7991753ab7c5c568768028fb77554db8ea149f17
- https://github.com/myvesta/vesta/releases/tag/0.9.8-26-43
- https://github.com/serghey-rodin/vesta/commit/a4e4542a6d1351c2857b169f8621dd9a13a2e896
- https://www.exploit-db.com/exploits/49674
Affected products (2)
- cpe:2.3:a:vestacp:control_panel:*:*:*:*:*:*:*:*
- cpe:2.3:a:vestacp:vesta_control_panel:*:*:*:*:*:*:*:*
More vulnerabilities in Vestacp Control Panel
- CVE-2019-12792 — High (CVSS 8.8): A command injection vulnerability in UploadHandler.php in Vesta Control Panel 0.9.8-24 allows remote attackers to…
- CVE-2019-12791 — High (CVSS 8.8): A directory traversal vulnerability in the v-list-user script in Vesta Control Panel 0.9.8-24 allows remote attackers…
- CVE-2015-4117 — High (CVSS 8.8): Vesta Control Panel before 0.9.8-14 allows remote authenticated users to execute arbitrary commands via shell…
- CVE-2021-30463 — High (CVSS 7.8): VestaCP through 0.9.8-24 allows attackers to gain privileges by creating symlinks to files for which they lack…
- CVE-2020-10966 — Medium (CVSS 6.5): In the Password Reset Module in VESTA Control Panel through 0.9.8-25 and Hestia Control Panel before 1.1.1, Host header…
- CVE-2019-9841 — Medium (CVSS 6.1): Vesta Control Panel 0.9.8-23 allows XSS via a crafted URL.
All CVEs affecting Vestacp Control Panel →
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