An issue was discovered in OpenSBI 1.3 allowing attackers to cause a denial of service via crafted request to the SBI function #2 or the 'Find and configure a matching counter' function of SBI PMU extension.
CVE-2025-63913
Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-07-28. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 7.5; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.5
- EG Score
- 7.5(high)
- EG Risk
- 49(Track)EG Risk 49/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity75% × 45%Exploitation0% × 40%Automatability100% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 18%
- KEV
- Not listed
Published
July 27, 2026
Last Modified
July 28, 2026
Advisory Details (1)
Auto-updated Jul 28, 2026GitHub - luojia65/opensbi-pmu2-crash: RISC-V OpenSBI PMU #2 vulnerbility · GitHub
https://github.com/luojia65/opensbi-pmu2-crashVendor Advisories for CVE-2025-63913(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 14× in last 7d / 14× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-30 02:31 UTCEG score recompute
- 2026-07-30 02:31 UTCGHSA enrichment
- 2026-07-30 01:30 UTCEPSS rescore
- 2026-07-29 14:33 UTCGHSA enrichment
- 2026-07-29 02:35 UTCEG score recompute
- 2026-07-29 02:35 UTCGHSA enrichment
- 2026-07-28 15:35 UTCEPSS rescore
- 2026-07-28 14:37 UTCGHSA enrichment
- 2026-07-28 13:44 UTCEG score recompute▲ 7.50
- 2026-07-28 13:44 UTCGHSA enrichment
- 2026-07-28 13:43 UTCMITRE cvelistV5CVSS v3 → 7.5 · severity → HIGH
- 2026-07-27 23:18 UTCNVD update
- 2026-07-27 22:41 UTCEG score recompute
- 2026-07-27 22:39 UTCMITRE cvelistV5first tracked
Related CVEs(same CWE)
Same CWE
10 shownCWE-400
Frequently asked(5)
What is CVE-2025-63913?
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What is the CVSS score of CVE-2025-63913?
How do I remediate CVE-2025-63913?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2025-63913
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