9.8crit
CVE-2017-2891
An exploitable use-after-free vulnerability exists in the HTTP server implementation of Cesanta Mongoose 6.8.
Published 8 y ago · modified 4 mo ago · JSON
CVSS
9.8
v3.0 · CNA
CISA KEV
No
not known exploited
EPSS
2.8%
percentile 86%
Public exploits
0
none known
Summary
An exploitable use-after-free vulnerability exists in the HTTP server implementation of Cesanta Mongoose 6.8. An ordinary HTTP POST request with a CGI target can cause a reuse of previously freed pointer potentially resulting in remote code execution. An attacker needs to send this HTTP request over the network to trigger this vulnerability.
Exploit prediction (EPSS)
2.76% probability of exploitation in the next 30 days, higher than 86% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| CNA | 3.0 | 9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.0 | 9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Affected products
- Cesanta Mongoose
Classification
- Weakness
- CWE-416 Use After Free
References
- talosintelligence.com /vulnerability_reports/TALOS-2017-0398 · x_refsource_MISC, x_transferred
Sources
- CVE List: CVE-2017-2891
- NVD: CVE-2017-2891
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