Yasr Screen Reader 0.6.9-5 -p path traversal

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k1.56

Summaryinfo

A vulnerability, which was classified as critical, has been found in Yasr Screen Reader 0.6.9-5. Affected is an unknown function. The manipulation of the argument -p leads to path traversal. This vulnerability is traded as CVE-2016-20041. An attack has to be approached locally. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Yasr Screen Reader 0.6.9-5. This issue affects an unknown functionality. The manipulation of the argument -p with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Yasr 0.6.9-5 contains a buffer overflow vulnerability that allows local attackers to crash the application or execute arbitrary code by supplying an oversized argument to the -p parameter. Attackers can invoke yasr with a crafted payload containing junk data, shellcode, and a return address to overwrite the stack and trigger code execution.

The weakness was shared by Juan Sacco as 39734. The advisory is shared at exploit-db.com. The identification of this vulnerability is CVE-2016-20041 since 03/28/2026. The exploitation is known to be easy. An attack has to be approached locally. Technical details as well as a public exploit are known. MITRE ATT&CK project uses the attack technique T1006 for this issue.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 304207 (Linux Distros Unpatched Vulnerability : CVE-2016-20041), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Exploit-DB (39734), Tenable (304207) and EUVD (EUVD-2016-10837). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.6

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.4
CNA Vector (VulnCheck): 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 304207
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2016-20041

Exploit-DB: 🔒

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

03/28/2026 Advisory disclosed
03/28/2026 +0 days CVE reserved
03/28/2026 +0 days VulDB entry created
03/30/2026 +1 days VulDB entry last update

Sourcesinfo

Advisory: 39734
Researcher: Juan Sacco
Status: Not defined

CVE: CVE-2016-20041 (🔒)
GCVE (CVE): GCVE-0-2016-20041
GCVE (VulDB): GCVE-100-354089
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/28/2026 21:52
Updated: 03/30/2026 01:31
Changes: 03/28/2026 21:52 (80), 03/29/2026 01:24 (1), 03/30/2026 01:31 (2)
Complete: 🔍
Cache ID: 216:1F3:103

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