North Grid Proself Improper Restriction of XML External Entity (XXE) Reference Vulnerability (CVE-2023-45727)
Severity: high · Patch status: unknown · Since 2024-12-03 · CVE-2023-45727
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. CISA added CVE-2023-45727 to its Known Exploited Vulnerabilities catalog on Dec 3, 2024, which means attackers are exploiting it in the wild.
What to do
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- US federal agencies must remediate by Dec 24, 2024 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch
