Evaluating NetScaler logs for indicators of attempted exploitation of CVE-2025-5777
Summary
In our recent update to our announcement of CVE 2025-5777, we noted that on July 10, 2025, CISA added CVE-2025-5777 to its Known Exploited Vulnerabilities Catalog. To help customers assess their security posture, we’ve provided additional guidance below.
CISA Known Exploited Vulnerability
- Listed:
- Jul 10, 2025 · federal remediation due Jul 11, 2025
- Required action:
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- Ransomware use:
- Known
KEV is a prioritization signal from CISA — remediation detail still comes from the vendor advisory.
Mitigation
Mitigation steps weren't captured by the parser for this advisory — this is a parsing gap, not a statement that no fix exists. Read the vendor advisory below for the authoritative guidance.
Official advisory · medium-confidence parse· fetched 5 days ago·verify at source
Discussion(0)
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