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CVE-2018-20355

UnknownEPSS 3.57%

Last modified

CVE-2018-20355 is a vulnerability of currently unknown severity. An invalid write of 8 bytes due to a use-after-free vulnerability in the mg_http_free_proto_data_cgi function call in mongoose.c in Cesanta Mongoose Embedded Web Server Library 6.13 and earlier allows a denial of service (application crash) or remote code execution.. EPSS estimates a 3.57% chance of exploitation in the next 30 days.

Description

An invalid write of 8 bytes due to a use-after-free vulnerability in the mg_http_free_proto_data_cgi function call in mongoose.c in Cesanta Mongoose Embedded Web Server Library 6.13 and earlier allows a denial of service (application crash) or remote code execution.

Metrics

EPSS Probability
3.57%

87.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CesantaMongoose<= 6.13

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2018-20355?
An invalid write of 8 bytes due to a use-after-free vulnerability in the mg_http_free_proto_data_cgi function call in mongoose.c in Cesanta Mongoose Embedded Web Server Library 6.13 and earlier allows a denial of service (application crash) or remote code execution.
How severe is CVE-2018-20355?
Severity scoring for CVE-2018-20355 is pending analysis. The EPSS model estimates a 3.57% probability of exploitation in the next 30 days.
How do I fix CVE-2018-20355?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-20355?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST