CVE-2025-9820
A local attacker can exploit a vulnerability in GnuTLS to conduct an unspecified attack.
CSIRTS triage
- What
- A local attacker can exploit a vulnerability in GnuTLS to conduct an unspecified attack.
- Who is affected
- Local deployments of GnuTLS are affected.
- Urgency
- Remediation is low urgency as the severity is low and exploitation is not reported.
- Action
- Monitor for updates from GnuTLS.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.20% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 11% of all EPSS-scored CVEs.
Advisory coverage (3)
- low[UPDATE] [low] GnuTLS: Vulnerability allows unspecified attackcert-bund · 2026-07-21
- high[UPDATE] [high] IBM App Connect Enterprise: Multiple vulnerabilitiescert-bund · 2026-07-21
- unknownUSN-8502-1: GnuTLS vulnerabilitiesubuntu · 2026-07-06
External references
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[](https://www.csirts.com/cve/CVE-2025-9820)