HOME VULNERABILITIESCVE-2023-49287

CRITICAL

CVE-2023-49287

CWE-120Published: December 4, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

TinyDir is a lightweight C directory and file reader. Buffer overflows in the `tinydir_file_open()` function. This vulnerability has been patched in version 1.2.6.

Risk Analysis

TinyDir contains a buffer overflow vulnerability within its file opening function. With a CVSS score of 9.8, this critical flaw allows for remote code execution, data compromise, or system disruption without requiring authentication.

There is no known public exploit for this vulnerability, and it is not listed in the CISA KEV catalog. It is remotely exploitable with low attack complexity.

Recommended Action

Users should upgrade to TinyDir version 1.2.6 or later to resolve this issue.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2023-49287 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges Req.None

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Affected Vendors & Products

cxong1 product(s)

tinydir

Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time

Offensive Security exploit database

GitHub PoC Search

Community PoC repositories

Rapid7 / Metasploit

Metasploit module search

Security advisories & exploits

Official NIST entry

CVE Program entry

External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttp://packetstormsecurity.com/files/176060/TinyDir-1.2.5-Buffer-Overflow.html

ADVISORYhttp://www.openwall.com/lists/oss-security/2023/12/04/1

ADVISORYhttps://github.com/cxong/tinydir/security/advisories/GHSA-jf5r-wgf4-qhxf

ADVISORYhttp://packetstormsecurity.com/files/176060/TinyDir-1.2.5-Buffer-Overflow.html

ADVISORYhttp://www.openwall.com/lists/oss-security/2023/12/04/1

ADVISORYhttps://github.com/cxong/tinydir/security/advisories/GHSA-jf5r-wgf4-qhxf

All References (10)

→

http://packetstormsecurity.com/files/176060/TinyDir-1.2.5-Buffer-Overflow.htmlExploit · Third Party Advisory · VDB Entry

→

http://seclists.org/fulldisclosure/2023/Dec/14

→

http://www.openwall.com/lists/oss-security/2023/12/04/1Mailing List · Third Party Advisory

→

https://github.com/cxong/tinydir/releases/tag/1.2.6Release Notes

→

https://github.com/cxong/tinydir/security/advisories/GHSA-jf5r-wgf4-qhxfExploit · Vendor Advisory

→

http://packetstormsecurity.com/files/176060/TinyDir-1.2.5-Buffer-Overflow.htmlExploit · Third Party Advisory · VDB Entry

→

http://seclists.org/fulldisclosure/2023/Dec/14

→

http://www.openwall.com/lists/oss-security/2023/12/04/1Mailing List · Third Party Advisory

→

https://github.com/cxong/tinydir/releases/tag/1.2.6Release Notes

→

https://github.com/cxong/tinydir/security/advisories/GHSA-jf5r-wgf4-qhxfExploit · Vendor Advisory

Quick Facts

CVE IDCVE-2023-49287

CVSS Score9.8 / 10

SeverityCRITICAL

WeaknessCWE-120

CISA KEVNo

Affected1 vendor(s)

PublishedDec 4, 2023

Related CVEs (CWE-120)

Recommended Actions

→Apply vendor patches immediately
→Monitor CVE-2023-49287 in threat intel feeds
→Review IDS/IPS signatures for exploitation attempts

Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.

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