CVE-2019-15642
CVE-2019-15642 is a high-severity vulnerability in Webmin with a CVSS 3.x base score of 8.8. Its EPSS exploit-prediction score of 38% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-94.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 6.5
- EPSS exploit prediction: 38% (98th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-94
- Affected product: Webmin
- Published:
- Last modified:
Description
rpc.cgi in Webmin through 1.920 allows authenticated Remote Code Execution via a crafted object name because unserialise_variable makes an eval call. NOTE: the Webmin_Servers_Index documentation states "RPC can be used to run any command or modify any file on a server, which is why access to it must not be granted to un-trusted Webmin users."
Frequently asked questions
- What is CVE-2019-15642?
- rpc.cgi in Webmin through 1.920 allows authenticated Remote Code Execution via a crafted object name because unserialise_variable makes an eval call. NOTE: the Webmin_Servers_Index documentation states "RPC can be used to run any command or modify any file on a server, which is why access to it must not be granted to un-trusted Webmin users."
- How severe is CVE-2019-15642?
- CVE-2019-15642 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2019-15642 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 38% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2019-15642?
- CVE-2019-15642 affects Webmin. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2019-15642?
- 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-2019-15642 published?
- CVE-2019-15642 was published on 2019-08-26 and last updated on 2026-06-17.
References
- https://doxfer.webmin.com/Webmin/Webmin_Servers_Index
- https://github.com/webmin/webmin/blob/ab5e00e41ea1ecc1e24b8f8693f3495a0abb1aed/rpc.cgi#L26-L37
- https://github.com/webmin/webmin/commit/df8a43fb4bdc9c858874f72773bcba597ae9432c
- https://www.calypt.com/blog/index.php/authenticated-rce-on-webmin/
Affected products (1)
- cpe:2.3:a:webmin:webmin:*:*:*:*:*:*:*:*
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