7.5
HIGH
CVE-2023-43314
Zyxel PMG2005-T20B Buffer Overflow Denial of Service
Description

** UNSUPPORTED WHEN ASSIGNED **The buffer overflow vulnerability in the Zyxel PMG2005-T20B firmware version V1.00(ABNK.2)b11_C0 could allow an unauthenticated attacker to cause a denial of service condition via a crafted uid.

INFO

Published Date :

Sept. 27, 2023, 11:15 p.m.

Last Modified :

Aug. 2, 2024, 8:15 p.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2023-43314 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Zyxel pmg2005-t20b_firmware
2 Zyxel pmg2005-t20b
: Total Affected Vendor : 1 | Products : 2
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2023-43314.

URL Resource
https://github.com/Rumble00/Rumble/issues/1

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-43314 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-43314 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    Aug. 02, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    May. 17, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Apr. 11, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Mar. 21, 2024

    Action Type Old Value New Value
    Added Tag Zyxel Corporation unsupported-when-assigned
  • CVE Modified by [email protected]

    Dec. 29, 2023

    Action Type Old Value New Value
    Changed Description The buffer overflow vulnerability in the Zyxel PMG2005-T20B firmware version V1.00(ABNK.2)b11_C0 could allow an authenticated attacker to cause a denial of service condition via a crafted uid. ** UNSUPPORTED WHEN ASSIGNED **The buffer overflow vulnerability in the Zyxel PMG2005-T20B firmware version V1.00(ABNK.2)b11_C0 could allow an unauthenticated attacker to cause a denial of service condition via a crafted uid.
  • CVE Modified by [email protected]

    Dec. 29, 2023

    Action Type Old Value New Value
    Changed Description The buffer overflow vulnerability in the Zyxel PMG2005-T20B firmware version V1.00(ABNK.2)b11_C0 could allow an authenticated attacker with administrator privileges to cause a denial of service condition via a crafted uid. The buffer overflow vulnerability in the Zyxel PMG2005-T20B firmware version V1.00(ABNK.2)b11_C0 could allow an authenticated attacker to cause a denial of service condition via a crafted uid.
    Removed CVSS V3.1 Zyxel Corporation AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
    Added CVSS V3.1 Zyxel Corporation AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Changed Description ** UNSUPPPORTED WHEN ASSIGNED ** The buffer overflow vulnerability in the Zyxel PMG2005-T20B firmware version V1.00(ABNK.2)b11_C0 could allow an authenticated attacker with administrator privileges to cause a denial of service condition via a crafted uid. The buffer overflow vulnerability in the Zyxel PMG2005-T20B firmware version V1.00(ABNK.2)b11_C0 could allow an authenticated attacker with administrator privileges to cause a denial of service condition via a crafted uid.
    Added Reference Zyxel Corporation https://github.com/Rumble00/Rumble/issues/1 [No types assigned]
    Removed Reference MITRE https://github.com/Rumble00/Rumble/issues/1
    Added CWE Zyxel Corporation CWE-120
    Removed CWE MITRE CWE-120
    Removed CVSS V3.1 MITRE AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
    Added CVSS V3.1 Zyxel Corporation AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
  • CVE Source Update by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Changed Source MITRE Zyxel Corporation
  • CVE Modified by [email protected]

    Oct. 12, 2023

    Action Type Old Value New Value
    Changed Description Buffer Overflow vulnerability in ZYXEL ZYXEL v.PMG2005-T20B allows a remote attacker to cause a denial of service via a crafted script to the uid parameter in the cgi-bin/login.asp component. ** UNSUPPPORTED WHEN ASSIGNED ** The buffer overflow vulnerability in the Zyxel PMG2005-T20B firmware version V1.00(ABNK.2)b11_C0 could allow an authenticated attacker with administrator privileges to cause a denial of service condition via a crafted uid.
    Added CVSS V3.1 MITRE AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
    Added CWE MITRE CWE-120
  • Initial Analysis by [email protected]

    Oct. 02, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://github.com/Rumble00/Rumble/issues/1 No Types Assigned https://github.com/Rumble00/Rumble/issues/1 Exploit, Issue Tracking, Third Party Advisory
    Added CWE NIST CWE-120
    Added CPE Configuration AND OR *cpe:2.3:o:zyxel:pmg2005-t20b_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:pmg2005-t20b:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-43314 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-43314 weaknesses.

CAPEC-8: Buffer Overflow in an API Call Buffer Overflow in an API Call CAPEC-9: Buffer Overflow in Local Command-Line Utilities Buffer Overflow in Local Command-Line Utilities CAPEC-10: Buffer Overflow via Environment Variables Buffer Overflow via Environment Variables CAPEC-14: Client-side Injection-induced Buffer Overflow Client-side Injection-induced Buffer Overflow CAPEC-24: Filter Failure through Buffer Overflow Filter Failure through Buffer Overflow CAPEC-42: MIME Conversion MIME Conversion CAPEC-44: Overflow Binary Resource File Overflow Binary Resource File CAPEC-45: Buffer Overflow via Symbolic Links Buffer Overflow via Symbolic Links CAPEC-46: Overflow Variables and Tags Overflow Variables and Tags CAPEC-47: Buffer Overflow via Parameter Expansion Buffer Overflow via Parameter Expansion CAPEC-67: String Format Overflow in syslog() String Format Overflow in syslog() CAPEC-92: Forced Integer Overflow Forced Integer Overflow CAPEC-100: Overflow Buffers Overflow Buffers
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.06 }} 0.01%

score

0.27286

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
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