CVE-2022-31246
CVE-2022-31246 is a medium-severity vulnerability in Electrum with a CVSS 3.x base score of 5.5. 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-88.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- CVSS v2: 4.3
- EPSS exploit prediction: 1% (51st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-88
- Affected product: Electrum
- Published:
- Last modified:
Description
paymentrequest.py in Electrum before 4.2.2 allows a file:// URL in the r parameter of a payment request (e.g., within QR code data). On Windows, this can lead to capture of credentials over SMB. On Linux and UNIX, it can lead to a denial of service by specifying the /dev/zero filename.
Frequently asked questions
- What is CVE-2022-31246?
- paymentrequest.py in Electrum before 4.2.2 allows a file:// URL in the r parameter of a payment request (e.g., within QR code data). On Windows, this can lead to capture of credentials over SMB. On Linux and UNIX, it can lead to a denial of service by specifying the /dev/zero filename.
- How severe is CVE-2022-31246?
- CVE-2022-31246 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2022-31246 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-31246?
- CVE-2022-31246 affects Electrum. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2022-31246?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2022-31246 published?
- CVE-2022-31246 was published on 2022-06-17 and last updated on 2026-06-17.
References
- https://github.com/spesmilo/electrum/security/advisories/GHSA-4fh4-hx35-r355
- https://twitter.com/ElectrumWallet/status/1534540879905665028
Affected products (1)
- cpe:2.3:a:electrum:electrum:*:*:*:*:*:*:*:*
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