Improper host key checking in active check 'Check SFTP Service' and special agent 'VNX quotas and filesystem' in Checkmk before Checkmk 2.3.0p15, 2.2.0p33, 2.1.0p48 and 2.0.0 (EOL) allows man-in-the-middle attackers to intercept traffic
| Software | From | Fixed in |
|---|---|---|
| checkmk / checkmk | 2.0.0 | 2.0.0.x |
| checkmk / checkmk | 2.1.0 | 2.1.0.x |
| checkmk / checkmk | 2.1.0-b1 | 2.1.0-b1.x |
| checkmk / checkmk | 2.1.0-b2 | 2.1.0-b2.x |
| checkmk / checkmk | 2.1.0-b3 | 2.1.0-b3.x |
| checkmk / checkmk | 2.1.0-b4 | 2.1.0-b4.x |
| checkmk / checkmk | 2.1.0-b5 | 2.1.0-b5.x |
| checkmk / checkmk | 2.1.0-b6 | 2.1.0-b6.x |
| checkmk / checkmk | 2.1.0-b7 | 2.1.0-b7.x |
| checkmk / checkmk | 2.1.0-b8 | 2.1.0-b8.x |
| checkmk / checkmk | 2.1.0-b9 | 2.1.0-b9.x |
| checkmk / checkmk | 2.1.0-p1 | 2.1.0-p1.x |
| checkmk / checkmk | 2.1.0-p10 | 2.1.0-p10.x |
| checkmk / checkmk | 2.1.0-p11 | 2.1.0-p11.x |
| checkmk / checkmk | 2.1.0-p12 | 2.1.0-p12.x |
| checkmk / checkmk | 2.1.0-p13 | 2.1.0-p13.x |
| checkmk / checkmk | 2.1.0-p14 | 2.1.0-p14.x |
| checkmk / checkmk | 2.1.0-p15 | 2.1.0-p15.x |
| checkmk / checkmk | 2.1.0-p16 | 2.1.0-p16.x |
| checkmk / checkmk | 2.1.0-p17 | 2.1.0-p17.x |
| checkmk / checkmk | 2.1.0-p18 | 2.1.0-p18.x |
| checkmk / checkmk | 2.1.0-p19 | 2.1.0-p19.x |
| checkmk / checkmk | 2.1.0-p2 | 2.1.0-p2.x |
| checkmk / checkmk | 2.1.0-p20 | 2.1.0-p20.x |
| checkmk / checkmk | 2.1.0-p21 | 2.1.0-p21.x |
| checkmk / checkmk | 2.1.0-p22 | 2.1.0-p22.x |
| checkmk / checkmk | 2.1.0-p23 | 2.1.0-p23.x |
| checkmk / checkmk | 2.1.0-p24 | 2.1.0-p24.x |
| checkmk / checkmk | 2.1.0-p25 | 2.1.0-p25.x |
| checkmk / checkmk | 2.1.0-p26 | 2.1.0-p26.x |
| checkmk / checkmk | 2.1.0-p27 | 2.1.0-p27.x |
| checkmk / checkmk | 2.1.0-p28 | 2.1.0-p28.x |
| checkmk / checkmk | 2.1.0-p29 | 2.1.0-p29.x |
| checkmk / checkmk | 2.1.0-p3 | 2.1.0-p3.x |
| checkmk / checkmk | 2.1.0-p30 | 2.1.0-p30.x |
| checkmk / checkmk | 2.1.0-p31 | 2.1.0-p31.x |
| checkmk / checkmk | 2.1.0-p32 | 2.1.0-p32.x |
| checkmk / checkmk | 2.1.0-p33 | 2.1.0-p33.x |
| checkmk / checkmk | 2.1.0-p34 | 2.1.0-p34.x |
| checkmk / checkmk | 2.1.0-p35 | 2.1.0-p35.x |
| checkmk / checkmk | 2.1.0-p36 | 2.1.0-p36.x |
| checkmk / checkmk | 2.1.0-p37 | 2.1.0-p37.x |
| checkmk / checkmk | 2.1.0-p38 | 2.1.0-p38.x |
| checkmk / checkmk | 2.1.0-p39 | 2.1.0-p39.x |
| checkmk / checkmk | 2.1.0-p4 | 2.1.0-p4.x |
| checkmk / checkmk | 2.1.0-p40 | 2.1.0-p40.x |
| checkmk / checkmk | 2.1.0-p41 | 2.1.0-p41.x |
| checkmk / checkmk | 2.1.0-p42 | 2.1.0-p42.x |
| checkmk / checkmk | 2.1.0-p43 | 2.1.0-p43.x |
| checkmk / checkmk | 2.1.0-p44 | 2.1.0-p44.x |
| checkmk / checkmk | 2.1.0-p45 | 2.1.0-p45.x |
| checkmk / checkmk | 2.1.0-p46 | 2.1.0-p46.x |
| checkmk / checkmk | 2.1.0-p47 | 2.1.0-p47.x |
| checkmk / checkmk | 2.1.0-p5 | 2.1.0-p5.x |
| checkmk / checkmk | 2.1.0-p6 | 2.1.0-p6.x |
| checkmk / checkmk | 2.1.0-p7 | 2.1.0-p7.x |
| checkmk / checkmk | 2.1.0-p8 | 2.1.0-p8.x |
| checkmk / checkmk | 2.1.0-p9 | 2.1.0-p9.x |
| checkmk / checkmk | 2.2.0 | 2.2.0.x |
| checkmk / checkmk | 2.2.0-b1 | 2.2.0-b1.x |
| checkmk / checkmk | 2.2.0-b2 | 2.2.0-b2.x |
| checkmk / checkmk | 2.2.0-b3 | 2.2.0-b3.x |
| checkmk / checkmk | 2.2.0-b4 | 2.2.0-b4.x |
| checkmk / checkmk | 2.2.0-b5 | 2.2.0-b5.x |
| checkmk / checkmk | 2.2.0-b6 | 2.2.0-b6.x |
| checkmk / checkmk | 2.2.0-b7 | 2.2.0-b7.x |
| checkmk / checkmk | 2.2.0-b8 | 2.2.0-b8.x |
| checkmk / checkmk | 2.2.0-i1 | 2.2.0-i1.x |
| checkmk / checkmk | 2.2.0-p1 | 2.2.0-p1.x |
| checkmk / checkmk | 2.2.0-p10 | 2.2.0-p10.x |
| checkmk / checkmk | 2.2.0-p11 | 2.2.0-p11.x |
| checkmk / checkmk | 2.2.0-p12 | 2.2.0-p12.x |
| checkmk / checkmk | 2.2.0-p13 | 2.2.0-p13.x |
| checkmk / checkmk | 2.2.0-p14 | 2.2.0-p14.x |
| checkmk / checkmk | 2.2.0-p15 | 2.2.0-p15.x |
| checkmk / checkmk | 2.2.0-p16 | 2.2.0-p16.x |
| checkmk / checkmk | 2.2.0-p17 | 2.2.0-p17.x |
| checkmk / checkmk | 2.2.0-p18 | 2.2.0-p18.x |
| checkmk / checkmk | 2.2.0-p19 | 2.2.0-p19.x |
| checkmk / checkmk | 2.2.0-p2 | 2.2.0-p2.x |
| checkmk / checkmk | 2.2.0-p20 | 2.2.0-p20.x |
| checkmk / checkmk | 2.2.0-p21 | 2.2.0-p21.x |
| checkmk / checkmk | 2.2.0-p22 | 2.2.0-p22.x |
| checkmk / checkmk | 2.2.0-p23 | 2.2.0-p23.x |
| checkmk / checkmk | 2.2.0-p24 | 2.2.0-p24.x |
| checkmk / checkmk | 2.2.0-p25 | 2.2.0-p25.x |
| checkmk / checkmk | 2.2.0-p26 | 2.2.0-p26.x |
| checkmk / checkmk | 2.2.0-p27 | 2.2.0-p27.x |
| checkmk / checkmk | 2.2.0-p28 | 2.2.0-p28.x |
| checkmk / checkmk | 2.2.0-p29 | 2.2.0-p29.x |
| checkmk / checkmk | 2.2.0-p3 | 2.2.0-p3.x |
| checkmk / checkmk | 2.2.0-p30 | 2.2.0-p30.x |
| checkmk / checkmk | 2.2.0-p31 | 2.2.0-p31.x |
| checkmk / checkmk | 2.2.0-p32 | 2.2.0-p32.x |
| checkmk / checkmk | 2.2.0-p4 | 2.2.0-p4.x |
| checkmk / checkmk | 2.2.0-p5 | 2.2.0-p5.x |
| checkmk / checkmk | 2.2.0-p6 | 2.2.0-p6.x |
| checkmk / checkmk | 2.2.0-p7 | 2.2.0-p7.x |
| checkmk / checkmk | 2.2.0-p8 | 2.2.0-p8.x |
| checkmk / checkmk | 2.2.0-p9 | 2.2.0-p9.x |
| checkmk / checkmk | 2.3.0 | 2.3.0.x |
| checkmk / checkmk | 2.3.0-b1 | 2.3.0-b1.x |
| checkmk / checkmk | 2.3.0-b2 | 2.3.0-b2.x |
| checkmk / checkmk | 2.3.0-b3 | 2.3.0-b3.x |
| checkmk / checkmk | 2.3.0-b4 | 2.3.0-b4.x |
| checkmk / checkmk | 2.3.0-b5 | 2.3.0-b5.x |
| checkmk / checkmk | 2.3.0-b6 | 2.3.0-b6.x |
| checkmk / checkmk | 2.3.0-p1 | 2.3.0-p1.x |
| checkmk / checkmk | 2.3.0-p10 | 2.3.0-p10.x |
| checkmk / checkmk | 2.3.0-p11 | 2.3.0-p11.x |
| checkmk / checkmk | 2.3.0-p12 | 2.3.0-p12.x |
| checkmk / checkmk | 2.3.0-p13 | 2.3.0-p13.x |
| checkmk / checkmk | 2.3.0-p14 | 2.3.0-p14.x |
| checkmk / checkmk | 2.3.0-p2 | 2.3.0-p2.x |
| checkmk / checkmk | 2.3.0-p3 | 2.3.0-p3.x |
| checkmk / checkmk | 2.3.0-p4 | 2.3.0-p4.x |
| checkmk / checkmk | 2.3.0-p5 | 2.3.0-p5.x |
| checkmk / checkmk | 2.3.0-p6 | 2.3.0-p6.x |
| checkmk / checkmk | 2.3.0-p7 | 2.3.0-p7.x |
| checkmk / checkmk | 2.3.0-p8 | 2.3.0-p8.x |
| checkmk / checkmk | 2.3.0-p9 | 2.3.0-p9.x |