CVE-2020-17361: n/a vulnerability

CVE-2020-17361: An issue was discovered in ReadyTalk Avian 1.2.0.

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

UnknownCVSS not scoredNot KEV-listedUpdatedAug 4, 2024, 13:53 UTC (UTC+00:00)

Security readout for executives and security teams

ReadyTalk Avian 1.2.0 mishandles a negative copy length by silently doing nothing instead of raising an error. That can cause data loss in the destination buffer. The CVE notes the affected software is unsupported, so the main business risk is legacy runtime exposure with uncertain downstream impact. Exposure is likely limited to environments still running or embedding ReadyTalk Avian 1.2.0. The CVE explicitly states affected products are no longer supported by the maintainer, so discovery should focus on legacy applications, bundled runtimes, and build artifacts. Treat this as a legacy remediation item with urgency tied to business criticality. It is not confirmed as actively exploited in the provided sources, but unsupported runtime components create accumulating operational and security risk. Mitigation focus: Inventory and remove ReadyTalk Avian 1.2.0 from production and build environments.; Replace Avian with a supported runtime or vendor-supported alternative.; Check ReadyTalk Avian repository or vendor guidance; sources do not name a patch..

Prepared: Jun 3, 2026, 10:59 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Aug 12, 2020, 17:31 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
https://github.com/ReadyTalk/avian/issuesCVE reference · x_refsource_MISC

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

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