CVE-2023-45727 North Grid Proself: web page flaw
In plain words: A web app can be made to act on someone's behalf or reach places it should not. Stolen sessions, actions taken as the victim, or access to internal systems.
Confirmed exploited by CISA on · US federal patch deadline Dec 24, 2024
What to do
- Install North Grid's security update for Proself. If no update exists, follow the vendor's workaround or stop using the product until one ships.
- Keep a list of every internet-facing server you run so nothing is forgotten.
- Patch anything in this catalog first, ahead of normal patch cycles.
- Put admin and file-transfer apps behind a VPN or single sign-on instead of the open internet.
Who is affected
Work IT. Aimed mostly at company systems — you are affected through the companies you use, not your own phone.
What's at risk: Mass data theft and ransomware: a single flaw in a file-transfer or email server has exposed thousands of organisations at once.
The details
- Official name
- North Grid Proself Improper Restriction of XML External Entity (XXE) Reference Vulnerability
- Product
- North Grid Proself
- CISA description
- 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.
- Type of flaw
- Web page flaw (CWE-611)
- Confirmed exploited
- Dec 3, 2024
- US federal patch deadline
- Dec 24, 2024
Ask Cleus about it
Ask about a vulnerability, an update, a weird message, or the news. Plain-word answers, free, no account.
Answering about CVE-2023-45727 ·
Questions about CVE-2023-45727
Is CVE-2023-45727 being exploited?
Yes. CISA added CVE-2023-45727 to its Known Exploited Vulnerabilities catalog on Dec 3, 2024, which means there is reliable evidence of real-world attacks.
How do I fix CVE-2023-45727?
Install North Grid's security update for Proself. If no update exists, follow the vendor's workaround or stop using the product until one ships. Keep a list of every internet-facing server you run so nothing is forgotten.
Am I affected by CVE-2023-45727?
Only if you use North Grid Proself. Aimed mostly at company systems — you are affected through the companies you use, not your own phone.