Security readout for executives and security teams
Plain-English summary
Audio Playback Recorder 3.2.2 has a local buffer overflow that could let malicious input run code with the user’s privileges. This is most relevant where the legacy application remains installed. Public exploit material exists, but the provided sources do not show active exploitation or inclusion in CISA KEV.
Executive priority
Treat as a targeted workstation risk, not an enterprise-wide emergency unless the application is present. Prioritize inventory and removal of this legacy software. Public exploit material raises urgency, but no active exploitation is evidenced in the provided sources.
Technical view
CVE-2020-37013 is a CWE-121 stack-based buffer overflow in Audio Playback Recorder 3.2.2 involving eject and registration parameters, with SEH overwrite noted in the advisory. The CVSS v3.1 score is 8.4 high. Sources reference public exploit and proof-of-concept material; remediation guidance from the vendor is not provided.
Likely exposure
Exposure is likely limited to systems where Tucows Audio Playback Recorder 3.2.2 is installed or retained from archives. The issue is local and appears to require interaction with the vulnerable application. Enterprise prevalence is likely low, but any exposed workstation could face full confidentiality, integrity, and availability impact.
Exploitation context
Public exploit information is referenced by Exploit-DB and VulnCheck. The provided bundle does not support claims of active exploitation, internet-scale exploitation, or KEV listing. Because the flaw is local application memory corruption, risk depends on whether attackers can induce a user or process to handle malicious input in the application.
Researcher notes
The public record indicates a local SEH overwrite buffer overflow in version 3.2.2. Avoid assuming remote reachability or active exploitation. The CVSS vector in the bundle lists UI:N, while the description references pasted crafted input; this inconsistency should be verified against primary records before scoring decisions.
Mitigation direction
- Identify and remove Audio Playback Recorder 3.2.2 where not business-critical.
- If required, isolate use to non-sensitive workstations.
- Check vendor or trusted advisory sources for any supported replacement or update.
- Restrict users from installing or running archived legacy freeware.
- Monitor endpoints for unexpected crashes or suspicious child processes from the application.
Validation and detection
- Search software inventory for Audio Playback Recorder version 3.2.2.
- Confirm executable presence on endpoints with legacy audio tools installed.
- Review EDR telemetry for crashes involving the application.
- Check whether users can launch the application in managed environments.
- Document systems where removal is not immediately possible.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-121: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2020-37013 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H2.55.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.4HighVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- ExploitDB-48796CVE reference · exploit
- Archived Researcher Proof of Concept VideoCVE reference · exploit
- Product Software ArchiveCVE reference · product
- VulnCheck Advisory: Audio Playback Recorder 3.2.2 - Local Buffer Overflow (SEH)CVE reference · third-party-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Stack-based Buffer Overflow
Stack-based Buffer Overflow represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.