An issue was discovered in the ALFA Windows 10 driver 6.1316.1209 for AWUS036H. The Wi-Fi implementation does not verify the Message Integrity Check (authenticity) of fragmented TKIP frames. An adversary can abuse this to inject and possibly decrypt packets in WPA or WPA2 networks that support the TKIP data-confidentiality protocol.
総合評価: CVE-2020-26141 は中リスク（58.9/100）。CVSS 深刻度は中。悪用される可能性が高い（EPSS 3.07%、86 パーセンタイル） 根拠: 直近 1 日で EPSS が +2.84% 上昇。悪用への関心が高まっている可能性があります。 推奨対応: 影響資産を整理し、修補計画に組み込んでください。
リスクは変動します。再評価に基づき、本ページの表示内容を更新しています。
EPSS は日次で悪用されやすさの相対度合いを推定します。パーセンタイルは採点済み CVE の中での相対位置（高いほど相対的に深刻）を示します。
| # | 日付 | 旧 EPSS スコア | 新 EPSS スコア | Δ（新 − 旧） |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.24% | 3.07% | +2.84% |
| 2 | 2026-04-14 | 0.32% | 0.24% | -0.09% |
| 3 | 2026-03-04 | — | 0.32% | — |
EPSS の全履歴 （全 44 件）
この CVE の CVSS 指標。
| ベーススコア | バージョン | 深刻度 | ベクトル | 悪用しやすさ | 影響 | スコアの出典 |
|---|---|---|---|---|---|---|
| 6.5 | 3.1 | MEDIUM |
|
2.8 | 3.6 | [email protected] |
| 3.3 | 2.0 | LOW |
|
6.5 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2020-26141 not yet assigned priority: Debian including 1 source packages (linux), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2020-26141 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2020-26141 |
suse
|
medium | — | https://www.suse.com/security/cve/CVE-2020-26141/ |
ubuntu
|
medium | CVE-2020-26141 medium priority: Ubuntu including 169 source packages (linux, linux-allwinner, …), 2181 status rows across 16 suites (bionic, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): DNE 1696, not-affected 217, released 205, ignored 47, needed 16. | https://ubuntu.com/security/CVE-2020-26141 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| alfa | awus036h_firmware | 6.1316.1209 | cpe:2.3:o:alfa:awus036h_firmware:6.1316.1209:*:*:*:*:windows_10:*:* |
| cisco | meraki_gr10_firmware | < 27.7.1 | cpe:2.3:o:cisco:meraki_gr10_firmware:*:*:*:*:*:*:*:* |
| cisco | meraki_gr60_firmware | < 27.7.1 | cpe:2.3:o:cisco:meraki_gr60_firmware:*:*:*:*:*:*:*:* |
| cisco | meraki_mr20_firmware | < 27.7.1 | cpe:2.3:o:cisco:meraki_mr20_firmware:*:*:*:*:*:*:*:* |
| cisco | meraki_mr30h_firmware | < 27.7.1 | cpe:2.3:o:cisco:meraki_mr30h_firmware:*:*:*:*:*:*:*:* |
| cisco | meraki_mr33_firmware | < 27.7.1 | cpe:2.3:o:cisco:meraki_mr33_firmware:*:*:*:*:*:*:*:* |
| cisco | meraki_mr36_firmware | < 27.7.1 | cpe:2.3:o:cisco:meraki_mr36_firmware:*:*:*:*:*:*:*:* |
| cisco | meraki_mr42_firmware | < 27.7.1 | cpe:2.3:o:cisco:meraki_mr42_firmware:*:*:*:*:*:*:*:* |
| cisco | meraki_mr42e_firmware | < 27.7.1 | cpe:2.3:o:cisco:meraki_mr42e_firmware:*:*:*:*:*:*:*:* |
| cisco | meraki_mr44_firmware | < 27.7.1 | cpe:2.3:o:cisco:meraki_mr44_firmware:*:*:*:*:*:*:*:* |
| cisco | meraki_mr45_firmware | < 27.7.1 | cpe:2.3:o:cisco:meraki_mr45_firmware:*:*:*:*:*:*:*:* |
| cisco | meraki_mr46_firmware | < 27.7.1 | cpe:2.3:o:cisco:meraki_mr46_firmware:*:*:*:*:*:*:*:* |
| cisco | meraki_mr46e_firmware | < 27.7.1 | cpe:2.3:o:cisco:meraki_mr46e_firmware:*:*:*:*:*:*:*:* |
| cisco | meraki_mr52_firmware | < 27.7.1 | cpe:2.3:o:cisco:meraki_mr52_firmware:*:*:*:*:*:*:*:* |
| cisco | meraki_mr53_firmware | < 27.7.1 | cpe:2.3:o:cisco:meraki_mr53_firmware:*:*:*:*:*:*:*:* |
| cisco | meraki_mr53e_firmware | < 27.7.1 | cpe:2.3:o:cisco:meraki_mr53e_firmware:*:*:*:*:*:*:*:* |
| cisco | meraki_mr55_firmware | < 27.7.1 | cpe:2.3:o:cisco:meraki_mr55_firmware:*:*:*:*:*:*:*:* |
| cisco | meraki_mr56_firmware | < 27.7.1 | cpe:2.3:o:cisco:meraki_mr56_firmware:*:*:*:*:*:*:*:* |
| cisco | meraki_mr70_firmware | < 27.7.1 | cpe:2.3:o:cisco:meraki_mr70_firmware:*:*:*:*:*:*:*:* |
| cisco | meraki_mr74_firmware | < 27.7.1 | cpe:2.3:o:cisco:meraki_mr74_firmware:*:*:*:*:*:*:*:* |
| cisco | meraki_mr76_firmware | < 27.7.1 | cpe:2.3:o:cisco:meraki_mr76_firmware:*:*:*:*:*:*:*:* |
| cisco | meraki_mr84_firmware | < 27.7.1 | cpe:2.3:o:cisco:meraki_mr84_firmware:*:*:*:*:*:*:*:* |
| cisco | meraki_mr86_firmware | < 27.7.1 | cpe:2.3:o:cisco:meraki_mr86_firmware:*:*:*:*:*:*:*:* |
| cisco | meraki_mr12_firmware | < 26.8.3 | cpe:2.3:o:cisco:meraki_mr12_firmware:*:*:*:*:*:*:*:* |
| cisco | meraki_mr18_firmware | < 26.8.3 | cpe:2.3:o:cisco:meraki_mr18_firmware:*:*:*:*:*:*:*:* |
| cisco | meraki_mr26_firmware | < 26.8.3 | cpe:2.3:o:cisco:meraki_mr26_firmware:*:*:*:*:*:*:*:* |
| cisco | meraki_mr32_firmware | < 26.8.3 | cpe:2.3:o:cisco:meraki_mr32_firmware:*:*:*:*:*:*:*:* |
| cisco | meraki_mr34_firmware | < 26.8.3 | cpe:2.3:o:cisco:meraki_mr34_firmware:*:*:*:*:*:*:*:* |
| cisco | meraki_mr62_firmware | < 26.8.3 | cpe:2.3:o:cisco:meraki_mr62_firmware:*:*:*:*:*:*:*:* |
| cisco | meraki_mr66_firmware | < 26.8.3 | cpe:2.3:o:cisco:meraki_mr66_firmware:*:*:*:*:*:*:*:* |
| cisco | meraki_mr72_firmware | < 26.8.3 | cpe:2.3:o:cisco:meraki_mr72_firmware:*:*:*:*:*:*:*:* |
| cisco | meraki_mx64w_firmware | < 17.0 | cpe:2.3:o:cisco:meraki_mx64w_firmware:*:*:*:*:*:*:*:* |
| cisco | meraki_mx65w_firmware | < 17.0 | cpe:2.3:o:cisco:meraki_mx65w_firmware:*:*:*:*:*:*:*:* |
| cisco | meraki_mx67w_firmware | < 17.0 | cpe:2.3:o:cisco:meraki_mx67w_firmware:*:*:*:*:*:*:*:* |
| cisco | meraki_mx67cw_firmware | < 17.0 | cpe:2.3:o:cisco:meraki_mx67cw_firmware:*:*:*:*:*:*:*:* |
| cisco | meraki_mx68w_firmware | < 17.0 | cpe:2.3:o:cisco:meraki_mx68w_firmware:*:*:*:*:*:*:*:* |
| cisco | meraki_mx68cw_firmware | < 17.0 | cpe:2.3:o:cisco:meraki_mx68cw_firmware:*:*:*:*:*:*:*:* |
| cisco | meraki_z3_firmware | < 17.0 | cpe:2.3:o:cisco:meraki_z3_firmware:*:*:*:*:*:*:*:* |
| cisco | meraki_z3c_firmware | < 17.0 | cpe:2.3:o:cisco:meraki_z3c_firmware:*:*:*:*:*:*:*:* |
| cisco | wireless_ip_phone_8821_firmware | < 11.0\(6\)sr2 | cpe:2.3:o:cisco:wireless_ip_phone_8821_firmware:*:*:*:*:*:*:*:* |
| cisco | ip_phone_6861_firmware | < 11.3\(5\) | cpe:2.3:o:cisco:ip_phone_6861_firmware:*:*:*:*:*:*:*:* |
| cisco | ip_phone_8861_firmware | < 11.3\(5\) | cpe:2.3:o:cisco:ip_phone_8861_firmware:*:*:*:*:*:3pcc:*:* |
| cisco | ip_phone_8861_firmware | < 14.1\(1\) | cpe:2.3:o:cisco:ip_phone_8861_firmware:*:*:*:*:*:*:*:* |
| cisco | ip_phone_8865_firmware | < 14.1\(1\) | cpe:2.3:o:cisco:ip_phone_8865_firmware:*:*:*:*:*:*:*:* |
| cisco | ip_conference_phone_8832_firmware | < 14.1\(1\) | cpe:2.3:o:cisco:ip_conference_phone_8832_firmware:*:*:*:*:*:*:*:* |
| cisco | webex_room_series_firmware | < 1.2\(0\)sr1 | cpe:2.3:o:cisco:webex_room_series_firmware:*:*:*:*:*:*:*:* |
| cisco | webex_desk_series_firmware | < 1.2\(0\)sr1 | cpe:2.3:o:cisco:webex_desk_series_firmware:*:*:*:*:*:*:*:* |
| cisco | webex_board_series_firmware | < 10.8.2.5 | cpe:2.3:o:cisco:webex_board_series_firmware:*:*:*:*:*:*:*:* |
| cisco | webex_wireless_phone_860_firmware | < 1.4\(0\) | cpe:2.3:o:cisco:webex_wireless_phone_860_firmware:*:*:*:*:*:*:*:* |
| cisco | webex_wireless_phone_840_firmware | < 1.4\(0\) | cpe:2.3:o:cisco:webex_wireless_phone_840_firmware:*:*:*:*:*:*:*:* |
| siemens | 6gk5778-1gy00-0ab0_firmware | — | cpe:2.3:o:siemens:6gk5778-1gy00-0ab0_firmware:-:*:*:*:*:*:m12:* |
| siemens | 6gk5778-1gy00-0aa0_firmware | — | cpe:2.3:o:siemens:6gk5778-1gy00-0aa0_firmware:-:*:*:*:*:*:m12:* |
| siemens | 6gk5721-1fc00-0aa0_firmware | — | cpe:2.3:o:siemens:6gk5721-1fc00-0aa0_firmware:-:*:*:*:*:*:rj45:* |
| siemens | 6gk5721-1fc00-0ab0_firmware | — | cpe:2.3:o:siemens:6gk5721-1fc00-0ab0_firmware:-:*:*:*:*:*:rj45:* |
| siemens | 6gk5722-1fc00-0aa0_firmware | — | cpe:2.3:o:siemens:6gk5722-1fc00-0aa0_firmware:-:*:*:*:*:*:rj45:* |
| siemens | 6gk5722-1fc00-0ab0_firmware | — | cpe:2.3:o:siemens:6gk5722-1fc00-0ab0_firmware:-:*:*:*:*:*:rj45:* |
| siemens | 6gk5722-1fc00-0ac0_firmware | — | cpe:2.3:o:siemens:6gk5722-1fc00-0ac0_firmware:-:*:*:*:*:*:rj45:* |
| siemens | 6gk5734-1fx00-0aa0_firmware | — | cpe:2.3:o:siemens:6gk5734-1fx00-0aa0_firmware:-:*:*:*:*:*:rj45:* |
| siemens | 6gk5734-1fx00-0aa6_firmware | — | cpe:2.3:o:siemens:6gk5734-1fx00-0aa6_firmware:-:*:*:*:*:*:rj45:* |
| siemens | 6gk5734-1fx00-0ab0_firmware | — | cpe:2.3:o:siemens:6gk5734-1fx00-0ab0_firmware:-:*:*:*:*:*:rj45:* |
| siemens | 6gk5734-1fx00-0ab6_firmware | — | cpe:2.3:o:siemens:6gk5734-1fx00-0ab6_firmware:-:*:*:*:*:*:rj45:* |
| siemens | 6gk5738-1gy00-0aa0_firmware | — | cpe:2.3:o:siemens:6gk5738-1gy00-0aa0_firmware:-:*:*:*:*:*:m12:* |
| siemens | 6gk5738-1gy00-0ab0_firmware | — | cpe:2.3:o:siemens:6gk5738-1gy00-0ab0_firmware:-:*:*:*:*:*:m12:* |
| siemens | 6gk5748-1fc00-0aa0_firmware | — | cpe:2.3:o:siemens:6gk5748-1fc00-0aa0_firmware:-:*:*:*:*:*:rj45:* |
| siemens | 6gk5748-1fc00-0ab0_firmware | — | cpe:2.3:o:siemens:6gk5748-1fc00-0ab0_firmware:-:*:*:*:*:*:rj45:* |
| siemens | 6gk5748-1gd00-0aa0_firmware | — | cpe:2.3:o:siemens:6gk5748-1gd00-0aa0_firmware:-:*:*:*:*:*:m12:* |
| siemens | 6gk5748-1gd00-0ab0_firmware | — | cpe:2.3:o:siemens:6gk5748-1gd00-0ab0_firmware:-:*:*:*:*:*:m12:* |
| siemens | 6gk5761-1fc00-0aa0_firmware | — | cpe:2.3:o:siemens:6gk5761-1fc00-0aa0_firmware:-:*:*:*:*:*:rj45:* |
| siemens | 6gk5761-1fc00-0ab0_firmware | — | cpe:2.3:o:siemens:6gk5761-1fc00-0ab0_firmware:-:*:*:*:*:*:rj45:* |
| siemens | 6gk5774-1fx00-0aa0_firmware | — | cpe:2.3:o:siemens:6gk5774-1fx00-0aa0_firmware:-:*:*:*:*:*:rj45:* |
| siemens | 6gk5774-1fx00-0aa6_firmware | — | cpe:2.3:o:siemens:6gk5774-1fx00-0aa6_firmware:-:*:*:*:*:*:rj45:* |
| siemens | 6gk5774-1fx00-0ab0_firmware | — | cpe:2.3:o:siemens:6gk5774-1fx00-0ab0_firmware:-:*:*:*:*:*:rj45:* |
| siemens | 6gk5774-1fx00-0ab6_firmware | — | cpe:2.3:o:siemens:6gk5774-1fx00-0ab6_firmware:-:*:*:*:*:*:rj45:* |
| siemens | 6gk5774-1fy00-0ta0_firmware | — | cpe:2.3:o:siemens:6gk5774-1fy00-0ta0_firmware:-:*:*:*:*:*:m12_ecc:* |
| siemens | 6gk5774-1fy00-0tb0_firmware | — | cpe:2.3:o:siemens:6gk5774-1fy00-0tb0_firmware:-:*:*:*:*:*:m12_ecc:* |
| siemens | 6gk5778-1gy00-0ta0_firmware | — | cpe:2.3:o:siemens:6gk5778-1gy00-0ta0_firmware:-:*:*:*:*:*:m12_ecc:* |
| siemens | 6gk5778-1gy00-0tb0_firmware | — | cpe:2.3:o:siemens:6gk5778-1gy00-0tb0_firmware:-:*:*:*:*:*:m12_ecc:* |
| siemens | 6gk5786-1fc00-0aa0_firmware | — | cpe:2.3:o:siemens:6gk5786-1fc00-0aa0_firmware:-:*:*:*:*:*:rj45:* |
| siemens | 6gk5786-1fc00-0ab0_firmware | — | cpe:2.3:o:siemens:6gk5786-1fc00-0ab0_firmware:-:*:*:*:*:*:rj45:* |
| siemens | 6gk5786-2fc00-0aa0_firmware | — | cpe:2.3:o:siemens:6gk5786-2fc00-0aa0_firmware:-:*:*:*:*:*:rj45:* |
| URL | タグ |
|---|---|
| http://www.openwall.com/lists/oss-security/2021/05/11/12 | Mailing List Third Party Advisory |
| https://cert-portal.siemens.com/productcert/pdf/ssa-913875.pdf | Third Party Advisory |
| https://github.com/vanhoefm/fragattacks/blob/master/SUMMARY.md | Third Party Advisory |
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wifi-faf-22epcEWu | Third Party Advisory |
| https://www.arista.com/en/support/advisories-notices/security-advisories/12602-security-advisory-63 | Third Party Advisory |
| https://www.fragattacks.com | Third Party Advisory |
| https://cert-portal.siemens.com/productcert/html/ssa-019200.html | |
| https://cert-portal.siemens.com/productcert/html/ssa-913875.html |