{"cve":"CVE-2022-26320","nvd":{"published":"2022-03-14T18:15:08.123","modified":"2026-06-17T04:34:58.390","status":"Modified","description":"The Rambus SafeZone Basic Crypto Module before 10.4.0, as used in certain Fujifilm (formerly Fuji Xerox) devices before 2022-03-01, Canon imagePROGRAF and imageRUNNER devices through 2022-03-14, and potentially many other devices, generates RSA keys that can be broken with Fermat's factorization method. This allows efficient calculation of private RSA keys from the public key of a TLS certificate.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","score":9.1},"cwes":["CWE-330"],"references":["https://fermatattack.secvuln.info","https://global.canon/en/support/security/index.html","https://web.archive.org/web/20220922042721/https://safezoneswupdate.com/","https://www.fujifilm.com/fbglobal/eng/company/news/notice/2022/0302_rsakey_announce.html","https://www.rambus.com/security/response-center/advisories/rmbs-2021-01/"],"products":["canon:imageprograf_firmware","canon:imagerunner_firmware","fujifilm:apeos_c3070_firmware","fujifilm:apeos_c3070_g_firmware","fujifilm:apeos_c325_dw_firmware","fujifilm:apeos_c325_z_firmware","fujifilm:apeos_c328_df_firmware","fujifilm:apeos_c328_dw_firmware","fujifilm:apeos_c3570_firmware","fujifilm:apeos_c3570_g_firmware","fujifilm:apeos_c4570_firmware","fujifilm:apeos_c4570_g_firmware","fujifilm:apeos_c5570_firmware","fujifilm:apeos_c5570_g_firmware","fujifilm:apeos_c6570_firmware","fujifilm:apeos_c6570_g_firmware","fujifilm:apeos_c6580_firmware","fujifilm:apeos_c7070_firmware","fujifilm:apeos_c7070_g_firmware","fujifilm:apeos_c7580_firmware","fujifilm:apeos_c8180_firmware","fujifilm:apeosport-vii_4021_firmware","fujifilm:apeosport-vii_5021_firmware","fujifilm:apeosport-vii_c2273_firmware","fujifilm:apeosport-vii_c3321_firmware","fujifilm:apeosport-vii_c3372_firmware","fujifilm:apeosport-vii_c3373_firmware","fujifilm:apeosport-vii_c4421_firmware","fujifilm:apeosport-vii_c4473_firmware","fujifilm:apeosport-vii_c5573_firmware","fujifilm:apeosport-vii_c5588_firmware","fujifilm:apeosport-vii_c6688_firmware","fujifilm:apeosport-vii_c6773_firmware","fujifilm:apeosport-vii_c7773_firmware","fujifilm:apeosport-vii_c7788_firmware","fujifilm:apeosport-vii_cp4421_firmware","fujifilm:apeosport-vii_p4021_firmware","fujifilm:apeosport_2560_firmware","fujifilm:apeosport_2560_g_firmware","fujifilm:apeosport_3060_firmware","fujifilm:apeosport_3060_g_firmware","fujifilm:apeosport_3560_firmware","fujifilm:apeosport_3560_g_firmware","fujifilm:apeosport_4570_firmware","fujifilm:apeosport_4570_g_firmware","fujifilm:apeosport_5570_firmware","fujifilm:apeosport_5570_g_firmware","fujifilm:apeosport_c2060_firmware","fujifilm:apeosport_c2060_g_firmware","fujifilm:apeosport_c2560_firmware"],"source":"nvd","synced_at":"2026-10-19T21:29:06.454770966+00:00"},"epss":{"cve":"CVE-2022-26320","score":0.00975,"percentile":0.62094,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}