CVE-2023-45727
Actively exploited. CVE-2023-45727 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2024-12-03) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
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.
CSIRTS triage
- What
- The vulnerability allows a remote, unauthenticated attacker to conduct an XXE attack due to improper restriction of XML External Entity references.
- Who is affected
- Users of North Grid Proself products are affected.
- Urgency
- Remediation is critical due to active exploitation and the severity of the vulnerability.
- Action
- Apply the latest security updates from North Grid.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 88% of all EPSS-scored CVEs.
Advisory coverage (1)
- criticalexploitedCVE-2023-45727: North Grid Proself Improper Restriction of XML External Entity (XXE) Reference Vulnerabilitycisa-kev · 2024-12-03
External references
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