8.2
HIGH
CVE-2022-43393
Zyxel GS1920-24v2 HTTP Request Processing Buffer Overflow DoS
Description
An improper check for unusual or exceptional conditions in the HTTP request processing function of Zyxel GS1920-24v2 firmware prior to V4.70(ABMH.8)C0, which could allow an unauthenticated attacker to corrupt the contents of the memory and result in a denial-of-service (DoS) condition on a vulnerable device.
INFO
Published Date :
Jan. 11, 2023, 2:15 a.m.
Last Modified :
Jan. 18, 2023, 11:37 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
4.2
Exploitability Score :
3.9
Affected Products
The following products are affected by CVE-2022-43393
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.
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-2022-43393.
| URL | Resource |
|---|---|
| https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-dos-vulnerability-of-switches | Vendor Advisory |
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-2022-43393 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2022-43393 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]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Jan. 18, 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:L/A:H Changed Reference Type https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-dos-vulnerability-of-switches No Types Assigned https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-dos-vulnerability-of-switches Vendor Advisory Added CWE NIST CWE-754 Added CPE Configuration AND OR *cpe:2.3:o:zyxel:gs1350-6hp_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.70\(abpi.5\)c0 OR cpe:2.3:h:zyxel:gs1350-6hp:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:gs1350-12hp_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.70\(abpj.5\)c0 OR cpe:2.3:h:zyxel:gs1350-12hp:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:gs1350-18hp_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.70\(abpk.5\)c0 OR cpe:2.3:h:zyxel:gs1350-18hp:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:gs1350-26hp_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.70\(abpl.5\)c0 OR cpe:2.3:h:zyxel:gs1350-26hp:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:gs1915-8_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.70\(acap.3\)c0 OR cpe:2.3:h:zyxel:gs1915-8:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:gs1915-8ep_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.70\(acaq.3\)c0 OR cpe:2.3:h:zyxel:gs1915-8ep:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:gs1915-24e_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.70\(acdr.3\)c0 OR cpe:2.3:h:zyxel:gs1915-24e:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:gs1915-24ep_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.70\(acds.3\)c0 OR cpe:2.3:h:zyxel:gs1915-24ep:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:gs1920-24v2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.70\(abmh.8\)c0 OR cpe:2.3:h:zyxel:gs1920-24v2:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:gs1920-48v2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.70\(abmj.8\)c0 OR cpe:2.3:h:zyxel:gs1920-48v2:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:gs1920-24hpv2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.70\(abmi.8\)c0 OR cpe:2.3:h:zyxel:gs1920-24hpv2:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:gs1920-48hpv2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.70\(abmk.8\)c0 OR cpe:2.3:h:zyxel:gs1920-48hpv2:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:gs2220-10_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.70\(abro.6\)c0 OR cpe:2.3:h:zyxel:gs2220-10:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:gs2220-28_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.70\(abrq.6\)c0 OR cpe:2.3:h:zyxel:gs2220-28:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:gs2220-50_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.70\(abrs.6\)c0 OR cpe:2.3:h:zyxel:gs2220-50:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:gs2220-10hp_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.70\(abrp.6\)c0 OR cpe:2.3:h:zyxel:gs2220-10hp:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:gs2220-28hp_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.70\(abrr.6\)c0 OR cpe:2.3:h:zyxel:gs2220-28hp:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:gs2220-50hp_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.70\(abrt.6\)c0 OR cpe:2.3:h:zyxel:gs2220-50hp:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:xgs1930-28_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.70\(abht.5\)c0 OR cpe:2.3:h:zyxel:xgs1930-28:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:xgs1930-28hp_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.70\(abhs.5\)c0 OR cpe:2.3:h:zyxel:xgs1930-28hp:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:xgs1930-52_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.70\(abhu.5\)c0 OR cpe:2.3:h:zyxel:xgs1930-52:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:xgs1930-52hp_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.70\(abhv.5\)c0 OR cpe:2.3:h:zyxel:xgs1930-52hp:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:xs1930-10_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.80\(abqe.0\)c0 OR cpe:2.3:h:zyxel:xs1930-10:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:xs1930-12hp_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.80\(abqf.0\)c0 OR cpe:2.3:h:zyxel:xs1930-12hp:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:xs1930-12f_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.80\(abzv.0\)c0 OR cpe:2.3:h:zyxel:xs1930-12f:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:xgs2210-28_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.70\(aazj.2\)c0 OR cpe:2.3:h:zyxel:xgs2210-28:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:xgs2210-52_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.70\(aazk.2\)c0 OR cpe:2.3:h:zyxel:xgs2210-52:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:xgs2210-28hp_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.70\(aazl.2\)c0 OR cpe:2.3:h:zyxel:xgs2210-28hp:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:xgs2210-52hp_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.70\(aazm.2\)c0 OR cpe:2.3:h:zyxel:xgs2210-52hp:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:xgs2220-30_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.80\(abxn.1\)c0 OR cpe:2.3:h:zyxel:xgs2220-30:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:xgs2220-30hp_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.80\(abxo.1\)c0 OR cpe:2.3:h:zyxel:xgs2220-30hp:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:xgs2220-30f_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.80\(abye.1\)c0 OR cpe:2.3:h:zyxel:xgs2220-30f:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:xgs2220-54_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.80\(abxp.1\)c0 OR cpe:2.3:h:zyxel:xgs2220-54:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:xgs2220-54hp_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.80\(abxq.1\)c0 OR cpe:2.3:h:zyxel:xgs2220-54hp:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:xgs2220-54fp_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.80\(acce.1\)c0 OR cpe:2.3:h:zyxel:xgs2220-54fp:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:xgs4600-32_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.70\(abbh.4\)c0 OR cpe:2.3:h:zyxel:xgs4600-32:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:xgs4600-32f_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.70\(abbi.4\)c0 OR cpe:2.3:h:zyxel:xgs4600-32f:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:xgs4600-52f_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.70\(abik.4\)c0 OR cpe:2.3:h:zyxel:xgs4600-52f:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:xmg1930-30_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.80\(acar.0\) OR cpe:2.3:h:zyxel:xmg1930-30:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:xmg1930-30hp_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.80\(acas.0\) OR cpe:2.3:h:zyxel:xmg1930-30hp:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:xs3800-28_firmware:*:*:*:*:*:*:*:* versions up to (including) 4.80\(abml.1\)c0 OR cpe:2.3:h:zyxel:xs3800-28:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:mgs3500-24s_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.10\(abbr.2\)c0 OR cpe:2.3:h:zyxel:mgs3500-24s:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:mgs3520-28_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.10\(aatn.5\)c0 *cpe:2.3:o:zyxel:mgs3520-28_firmware:4.10\(abqm.1\)c0:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:mgs3520-28:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:mgs3520-28f_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.10\(aatm.4\)c0 OR cpe:2.3:h:zyxel:mgs3520-28f:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:mgs3530-28_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.10\(acem.2\)c0 *cpe:2.3:o:zyxel:mgs3530-28_firmware:4.10\(acfj.0\)c0:*:*:*:*:*:*:* OR cpe:2.3:h:zyxel:mgs3530-28:-:*:*:*:*:*:*:*
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-2022-43393 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-2022-43393
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.10 }} 0.01%
score
0.40358
percentile
CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability