CVE-2022-33021
CVE-2022-33021 is a high-severity vulnerability in Openhwgroup Cva6 with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 1% (60th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-125
- Affected product: Openhwgroup Cva6
- Published:
- Last modified:
Description
CVA6 commit 909d85a accesses invalid memory when reading the value of MHPMCOUNTER30.
Frequently asked questions
- What is CVE-2022-33021?
- CVA6 commit 909d85a accesses invalid memory when reading the value of MHPMCOUNTER30.
- How severe is CVE-2022-33021?
- CVE-2022-33021 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2022-33021 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-33021?
- CVE-2022-33021 affects Openhwgroup Cva6. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2022-33021?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2022-33021 published?
- CVE-2022-33021 was published on 2022-06-29 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:openhwgroup:cva6:-:*:*:*:*:*:*:*
More vulnerabilities in Openhwgroup Cva6
- CVE-2022-34635 — Critical (CVSS 9.8): The mstatus.sd field in CVA6 commit d315ddd0f1be27c1b3f27eb0b8daf471a952299a does not update when the mstatus.fs field…
- CVE-2022-33023 — High (CVSS 7.5): CVA6 commit 909d85a gives incorrect permission to use special multiplication units when the format of instructions is…
- CVE-2022-34641 — Medium (CVSS 5.5): CVA6 commit d315ddd0f1be27c1b3f27eb0b8daf471a952299a and RISCV-Boom commit ad64c5419151e5e886daee7084d8399713b46b4b…
- CVE-2022-34640 — Medium (CVSS 5.5): The *tval of ecall/ebreak in CVA6 commit d315ddd0f1be27c1b3f27eb0b8daf471a952299a was discovered to be incorrect.
- CVE-2022-34639 — Medium (CVSS 5.5): CVA6 commit d315ddd0f1be27c1b3f27eb0b8daf471a952299a treats non-standard fence instructions as illegal which can affect…
- CVE-2022-34637 — Medium (CVSS 5.5): CVA6 commit d315ddd0f1be27c1b3f27eb0b8daf471a952299a implements an incorrect exception type when an illegal virtual…
All CVEs affecting Openhwgroup Cva6 →
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