CVE-2023-45727
North Grid Proself Improper Restriction of XML Ext - [Actively Exploited]
Description
Proself Enterprise/Standard Edition Ver5.62 and earlier, Proself Gateway Edition Ver1.65 and earlier, and Proself Mail Sanitize Edition Ver1.08 and earlier allow a remote unauthenticated attacker to conduct XML External Entity (XXE) attacks. By processing a specially crafted request containing malformed XML data, arbitrary files on the server containing account information may be read by the attacker.
INFO
Published Date :
Oct. 18, 2023, 10:15 a.m.
Last Modified :
Dec. 6, 2024, 2 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
CISA KEV (Known Exploited Vulnerabilities)
For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.
North Grid Proself Enterprise/Standard, Gateway, and Mail Sanitize contain an improper restriction of XML External Entity (XXE) reference vulnerability, which could allow a remote, unauthenticated attacker to conduct an XXE attack.
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
https://www.proself.jp/information/153/ ; https://nvd.nist.gov/vuln/detail/CVE-2023-45727
Public PoC/Exploit Available at Github
CVE-2023-45727 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
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-2023-45727.
| URL | Resource |
|---|---|
| https://jvn.jp/en/jp/JVN95981460/ | Third Party Advisory |
| https://www.proself.jp/information/153/ | Vendor Advisory |
| https://jvn.jp/en/jp/JVN95981460/ | Third Party Advisory |
| https://www.proself.jp/information/153/ | 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).
Ostorlab KEV: One-command to detect most remotely known exploitable vulnerabilities. Sourced from CISA KEV, Google's Tsunami, Ostorlab's Asteroid and Bug Bounty programs.
cisa-kev vulnerability 0day cisa exploits
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2023-45727 vulnerability anywhere in the article.
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The Hacker News
⚡ THN Recap: Top Cybersecurity Threats, Tools and Tips (Dec 2 - 8)
Cyber Threats / Weekly Recap This week's cyber world is like a big spy movie. Hackers are breaking into other hackers' setups, sneaky malware is hiding in popular software, and AI-powered scams are tr ... Read more
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The Cyber Express
CISA Adds Three Critical Vulnerabilities to KEV Catalog: Immediate Action Urged
The Cybersecurity and Infrastructure Security Agency (CISA) recently updated its Known Exploited Vulnerabilities (KEV) Catalog, adding three critical vulnerabilities that are being actively exploited ... Read more
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The Hacker News
CISA Warns of Active Exploitation of Flaws in Zyxel, ProjectSend, and CyberPanel
Vulnerability / Threat Intelligence The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added multiple security flaws affecting products from Zyxel, North Grid Proself, ProjectSend, and C ... Read more
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Cybersecurity News
CISA Flags Three Actively Exploited Vulnerabilities in Critical Systems
The Cybersecurity and Infrastructure Security Agency (CISA) has issued an alert regarding three critical security vulnerabilities actively exploited in the wild. These vulnerabilities, now included in ... Read more
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TheCyberThrone
CISA KEV Catalog Update Part I – December 2024
The US CISA has added the below vulnerabilities to its Known Exploited Vulnerabilities Catalog based on the evidence of active exploitation.CVE-2023-45727 Tracked as CWE-611, North Grid Proself Enterp ... Read more
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The Hacker News
CISA Urges Agencies to Patch Critical "Array Networks" Flaw Amid Active Attacks
Vulnerability / Network Security The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Monday added a now-patched critical security flaw impacting Array Networks AG and vxAG secure acces ... Read more
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Trend Micro
Spot the Difference: Earth Kasha's New LODEINFO Campaign And The Correlation Analysis With The APT10 Umbrella
This blog is based on a presentation by the authors at Virus Bulletin 2024. Introduction LODEINFO is a malware used in attacks targeting mainly Japan since 2019. Trend Micro has been tracking the grou ... Read more
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cybereason.com
CUCKOO SPEAR Part 1: Analyzing NOOPDOOR from an IR Perspective
This Threat Analysis Report will delve into a newly discovered nation-state level threat Campaign tracked by Cybereason as Cuckoo Spear. It will outline how the associated Threat Actor persists stealt ... Read more
The following table lists the changes that have been made to the
CVE-2023-45727 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.
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CVE CISA KEV Update by 9119a7d8-5eab-497f-8521-727c672e3725
Dec. 06, 2024
Action Type Old Value New Value Changed Vulnerability Name North Grid Proself Improper Restriction of XML External Entity (XEE) Reference Vulnerability North Grid Proself Improper Restriction of XML External Entity (XXE) Reference Vulnerability -
CVE CISA KEV Update by 9119a7d8-5eab-497f-8521-727c672e3725
Dec. 04, 2024
Action Type Old Value New Value Added Date Added 2024-12-03 Added Due Date 2024-12-24 Added Required Action Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. Added Vulnerability Name North Grid Proself Improper Restriction of XML External Entity (XEE) Reference Vulnerability -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Dec. 02, 2024
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Added CWE CWE-611 -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://jvn.jp/en/jp/JVN95981460/ Added Reference https://www.proself.jp/information/153/ -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Oct. 25, 2023
Action Type Old Value New Value Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Changed Reference Type https://jvn.jp/en/jp/JVN95981460/ No Types Assigned https://jvn.jp/en/jp/JVN95981460/ Third Party Advisory Changed Reference Type https://www.proself.jp/information/153/ No Types Assigned https://www.proself.jp/information/153/ Vendor Advisory Added CWE NIST CWE-611 Added CPE Configuration OR *cpe:2.3:a:northgrid:proself:*:*:*:*:mail_sanitize:*:*:* versions up to (excluding) 1.09 *cpe:2.3:a:northgrid:proself:*:*:*:*:gateway:*:*:* versions up to (excluding) 1.66 *cpe:2.3:a:northgrid:proself:*:*:*:*:enterprise:*:*:* versions up to (excluding) 5.63 *cpe:2.3:a:northgrid:proself:*:*:*:*:standard:*:*:* versions up to (excluding) 5.63
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-45727 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-2023-45727
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
28.70 }} -12.77%
score
0.96860
percentile