CVE-2020-17360

Name: CVE-2020-17360
Creator: NVD / NIST
Published: 2020-08-12T18:15:17.34+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 1.16%

Last modified Jun 17, 2026

CVE-2020-17360 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. An issue was discovered in ReadyTalk Avian 1.2.0. The vm::arrayCopy method defined in classpath-common.h contains multiple boundary checks that are performed to prevent out-of-bounds memory read/write. EPSS estimates a 1.16% chance of exploitation in the next 30 days.

Description

An issue was discovered in ReadyTalk Avian 1.2.0. The vm::arrayCopy method defined in classpath-common.h contains multiple boundary checks that are performed to prevent out-of-bounds memory read/write. However, two of these boundary checks contain an integer overflow that leads to a bypass of these checks, and out-of-bounds read/write. NOTE: This vulnerability only affects products that are no longer supported by the maintainer

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

1.16%

63.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Readytalk	Avian	1.2.0

References

http://seclists.org/fulldisclosure/2020/Aug/8Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2020/Sep/11Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2020/Sep/13Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2020/Sep/14Mailing List, Third Party Advisory
https://github.com/ReadyTalk/avian/issuesThird Party Advisory
http://seclists.org/fulldisclosure/2020/Aug/8Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2020/Sep/11Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2020/Sep/13Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2020/Sep/14Mailing List, Third Party Advisory
https://github.com/ReadyTalk/avian/issuesThird Party Advisory

Timeline

Published: Aug 12, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-17360?

How severe is CVE-2020-17360?

CVE-2020-17360 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.16% probability of exploitation in the next 30 days.

How do I fix CVE-2020-17360?

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-2020-17360?

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

Scan your code now

Source: NVD / NIST