CVE-2020-17361

Name: CVE-2020-17361
Creator: NVD / NIST
Published: 2020-08-12T18:15:17.403+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 1.18%

Last modified Jun 17, 2026

CVE-2020-17361 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. An issue was discovered in ReadyTalk Avian 1.2.0. The vm::arrayCopy method defined in classpath-common.h returns silently when a negative length is provided (instead of throwing an exception). EPSS estimates a 1.18% 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 returns silently when a negative length is provided (instead of throwing an exception). This could result in data being lost during the copy, with varying consequences depending on the subsequent use of the destination buffer. NOTE: This vulnerability only affects products that are no longer supported by the maintainer

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

1.18%

63.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-755

Affected Software

Vendor	Product	Versions
Readytalk	Avian	1.2.0

References

http://seclists.org/fulldisclosure/2020/Aug/10Exploit, Mailing 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/10Exploit, Mailing 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-2020-17361?

How severe is CVE-2020-17361?

CVE-2020-17361 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 1.18% probability of exploitation in the next 30 days.

How do I fix CVE-2020-17361?

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-2020-17361?

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

Scan your code now

Source: NVD / NIST