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CVE-2020-7881

HIGHCVSS 8.8/10EPSS 1.39%

Last modified

CVE-2020-7881 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. The vulnerability function is enabled when the streamer service related to the AfreecaTV communicated through web socket using 21201 port. A stack-based buffer overflow leading to remote code execution was discovered in strcpy() operate by "FanTicket" field. EPSS estimates a 1.39% chance of exploitation in the next 30 days.

Description

The vulnerability function is enabled when the streamer service related to the AfreecaTV communicated through web socket using 21201 port. A stack-based buffer overflow leading to remote code execution was discovered in strcpy() operate by "FanTicket" field. It is because of stored data without validation of length.

Metrics

CVSS 3.1
8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
1.39%

68.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
AfreecatvAfreecatv1.0.0.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-7881?
The vulnerability function is enabled when the streamer service related to the AfreecaTV communicated through web socket using 21201 port. A stack-based buffer overflow leading to remote code execution was discovered in strcpy() operate by "FanTicket" field. It is because of stored data without validation of length.
How severe is CVE-2020-7881?
CVE-2020-7881 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.39% probability of exploitation in the next 30 days.
How do I fix CVE-2020-7881?
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-2020-7881?

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

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Source: NVD / NIST