SARA / Free Tools / KEV / CVE-2017-6743

CVE-2017-6743 on CISA KEV

The Simple Network Management Protocol (SNMP) subsystem of Cisco IOS and IOS XE Software contains multiple vulnerabilities that could allow an authenticated, remote attacker to remotely execute code on an affected system or cause an affected system to reload. An attacker could ex

CISA KEV — Actively Exploited

Cisco IOS and IOS XE Software SNMP Remote Code Execution Vulnerability

Vendor / Product
— / Cisco / IOS and IOS XE Software
Added to KEV
2022-03-03
BOD 22-01 due
2022-03-24
Ransomware use
Unknown
CVSS / EPSS
8.8 HIGH · EPSS 28.84%

01What CISA says about this vulnerability

The Simple Network Management Protocol (SNMP) subsystem of Cisco IOS and IOS XE Software contains multiple vulnerabilities that could allow an authenticated, remote attacker to remotely execute code on an affected system or cause an affected system to reload. An attacker could exploit these vulnerabilities by sending a crafted SNMP packet to an affected system via IPv4 or IPv6. Only traffic…

02Required action — verbatim from CISA

Apply updates per vendor instructions.

03Notes & references

04SARA's analyst layer — why this matters

This vulnerability is currently on the CISA KEV list, which CISA only adds CVEs to when there is reliable evidence of active exploitation in the wild. For federal civilian agencies, BOD 22-01 requires remediation by the due date above. For everyone else, KEV is the strongest "patch immediately" signal you can get from public threat intel.

05Affected products (summary)

VendorProductVersions
CiscoIOS12.1(3)XI, 12.2(1b)DA, 12.2(5)DA, 12.2(7)DA, 12.2(12)DA, 12.2(10)DA5, 12.2(12)DA10, 12.2(10)DA, 12.2(12)DA1, 12.2(12)DA6, 12.2(10)DA8, 12.2(12)DA8, 12.2(12)DA11, 12.2(12)DA9, 12.2(12)DA4, 12.2(10)DA3, 12.2(5)DA1, 12.2(12)DA13, 12.2(12)DA12, 12.2(12)DA7, 12.2(1b)DA1, 12.2(10)DA1, 12.2(10)DA6, 12.2(10)DA4, 12.2(12)DA2, 12.2(12)DA3, 12.2(10)DA2, 12.2(12)DA5, 12.2(10)DA7, 12.2(10)DA9, 12.2(4)XL2, 12.2(4)XM, 12.2(4)XM3, 12.2(4)XM2, 12.2(4)XM4, 12.2(4)XM1, 12.2(3d), 12.2(5b), 12.2(1)XS1a, 12.2(4)YA, 12.2(4)YA6, 12.2(4)YA3, 12.2(4)YA4, 12.2(4)YA1, 12.2(4)YA11, 12.2(4)YA2, 12.2(4)YA9, 12.2(4)YA8, 12.2(4)YA5, 12.2(4)YA12, 12.2(4)YA10, 12.2(4)YA7, 12.2(4)YG, 12.2(2)XF2, 12.2(2)DD2, 12.2(1)XD, 12.2(1)XD4, 12.2(1)XD3, 12.2(1)XD1, 12.2(2)XH, 12.2(2)XH2, 12.2(2)XI, 12.2(2)XI1, 12.2(2)XI2, 12.2(2)XK, 12.2(2)XK3, 12.2(2)XK2, 12.2(4)BW1a, 12.2(2)BX, 12.2(2)BX1, 12.2(15)BZ2, 12.2(2)DX3, 12.2(8)YJ, 12.2(8)YJ1, 12.2(8)YN, 12.2(9)YO, 12.2(9)YO3, 12.2(9)YO2, 12.2(9)YO1, 12.2(9)YO4, 12.2(1a)XC, 12.2(2)XC, 12.2(1a)XC1, 12.2(1a)XC3, 12.2(2)XC1, 12.2(1a)XC2, 12.2(2)XC2, 12.2(11)YP3, 12.2(8)YM, 12.2(11)YU, 12.2(11)YV, 12.2(11)YV1, 12.2(13)ZG, 12.2(13)ZH, 12.2(13)ZH9, 12.2(13)ZH2, 12.2(13)ZH8, 12.2(13)ZH10, 12.2(13)ZH4, 12.2(13)ZH3, 12.2(13)ZH7, 12.2(13)ZH6, 12.3(9a), 12.3(15), 12.3(19), 12.3(10f), 12.3(10a), 12.3(1), 12.3(1a), 12.3(10), 12.3(10b), 12.3(10c), 12.3(10d), 12.3(10e), 12.3(12b), 12.3(12a), 12.3(12c), 12.3(12d), 12.3(12e), 12.3(12), 12.3(13), 12.3(13a), 12.3(13b), 12.3(15a), 12.3(16), 12.3(17), 12.3(17a), 12.3(17b), 12.3(18), 12.3(20), 12.3(3f), 12.3(3e), 12.3(3g), 12.3(3c), 12.3(3b), 12.3(3a), 12.3(3), 12.3(3i), 12.3(3h), 12.3(5c), 12.3(5b), 12.3(5a), 12.3(5), 12.3(5f), 12.3(5e), 12.3(5d), 12.3(6f), 12.3(6e), 12.3(6c), 12.3(6b), 12.3(6a), 12.3(6), 12.3(9d), 12.3(9e), 12.3(9), 12.3(9b), 12.3(9c), 12.3(16a), 12.3(15b), 12.3(21), 12.3(22), 12.3(21b), 12.3(23), 12.3(26), 12.3(20a), 12.3(22a), 12.3(25), 12.3(17c), 12.3(24), 12.3(19a), 12.3(24a), 12.3(18a), 12.3(11)T, 12.3(7)T12, 12.3(11)T11, 12.3(11)T10, 12.3(14)T7, 12.3(14)T, 12.3(8)T, 12.3(2)T, 12.3(4)T, 12.3(7)T, 12.3(8)T9, 12.3(2)T9, 12.3(8)T6, 12.3(4)T2a, 12.3(4)T9, 12.3(4)T4, 12.3(2)T1, 12.3(11)T5, 12.3(7)T3, 12.3(2)T2, 12.3(8)T3, 12.3(4)T7, 12.3(8)T7, 12.3(11)T8, 12.3(7)T2, 12.3(8)T4, 12.3(8)T8, 12.3(14)T5, 12.3(11)T3, 12.3(4)T10, 12.3(2)T4, 12.3(8)T10, 12.3(14)T2, 12.3(4)T2, 12.3(7)T7, 12.3(7)T10, 12.3(7)T4, 12.3(11)T6, 12.3(7)T11, 12.3(4)T6, 12.3(2)T3, 12.3(2)T5, 12.3(2)T6, 12.3(4)T3, 12.3(14)T3, 12.3(2)T8, 12.3(11)T4, 12.3(7)T9, 12.3(8)T11, 12.3(11)T9, 12.3(7)T8, 12.3(4)T1, 12.3(8)T5, 12.3(4)T11, 12.3(4)T8, 12.3(14)T1, 12.3(11)T2, 12.3(7)T6, 12.3(2)T7, 12.3(11)T7, 12.3(7)T1, 12.3(14)T6, 12.3(8)T1, 12.3(2)XA, 12.3(2)XA4, 12.3(2)XA7, 12.3(2)XA3, 12.3(2)XA6, 12.3(2)XA5, 12.3(4)XQ, 12.3(4)XQ1, 12.3(11)XL, 12.3(11)XL1, 12.3(4)XK3, 12.3(4)XK1, 12.3(4)XK4, 12.3(4)XK, 12.3(4)XK2, 12.3(7)XI1b, 12.3(7)XI2a, 12.3(7)XI1c, 12.3(7)XI8c, 12.3(4)XG, 12.3(4)XG3, 12.3(4)XG1, 12.3(4)XG4, 12.3(4)XG2, 12.3(4)XG5, 12.3(2)XF, 12.3(2)XE, 12.3(2)XE5, 12.3(2)XE2, 12.3(2)XE1, 12.3(2)XE4, 12.3(2)XE3, 12.3(4)XD, 12.3(4)XD4, 12.3(4)XD1, 12.3(4)XD3, 12.3(4)XD2, 12.3(2)XC, 12.3(2)XC2, 12.3(2)XC1, 12.2(25)SE2, 12.2(29)SV2, 12.3(7)XR, 12.3(7)XR4, 12.3(7)XR3, 12.3(7)XR5, 12.3(7)XR6, 12.3(7)XR2, 12.3(7)XR7, 12.3(8)XX, 12.3(8)XX1, 12.3(8)XX2d, 12.3(2)XZ1, 12.3(2)XZ2, 12.3(8)YA, 12.3(8)YA1, 12.3(11)YF2, 12.3(8)YG, 12.3(8)YG5, 12.3(8)YG3, 12.3(8)YG6, 12.3(8)YG2, 12.3(8)YG1, 12.3(8)YG4, 12.2(12b)M1, 12.2(12h)M1, 12.2(4)XV, 12.2(4)XV1, 12.2(4)XV2, 12.2(4)XV4, 12.2(4)XV4a, 12.2(4)XV3, 12.2(4)XV5, 12.3(8)YI2, 12.3(8)YI3, 12.3(8)YI1, 12.3(11)YK, 12.3(11)YK1, 12.3(11)YK2, 12.3(11)YK3, 12.2(18)SO1, 12.2(18)SO3, 12.2(18)SO2, 12.3(2)JA3, 12.3(2)JA4, 12.3(11)JA3, 12.3(11)JA2, 12.3(11)YS, 12.3(11)YS1, 12.3(11)YS2, 12.4(3e), 12.4(7b), 12.4(8), 12.4(5b), 12.4(7a), 12.4(3d), 12.4(1), 12.4(1a), 12.4(1b), 12.4(1c), 12.4(10), 12.4(3), 12.4(3a), 12.4(3b), 12.4(3c), 12.4(3f), 12.4(5), 12.4(5a), 12.4(7c), 12.4(7), 12.4(8a), 12.4(8b), 12.4(7d), 12.4(3g), 12.4(8c), 12.4(10b), 12.4(12), 12.4(12a), 12.4(12b), 12.4(13), 12.4(13a), 12.4(13b), 12.4(13c), 12.4(7e), 12.4(17), 12.4(25e), 12.4(18b), 12.4(18e), 12.4(25g), 12.4(3i), 12.4(3j), 12.4(23b), 12.4(3h), 12.4(7h), 12.4(25a), 12.4(16), 12.4(13d), 12.4(25), 12.4(25c), 12.4(19), 12.4(13e), 12.4(25b), 12.4(23), 12.4(10c), 12.4(21), 12.4(16b), 12.4(16a), 12.4(23a), 12.4(25d), 12.4(7f), 12.4(18), 12.4(21a), 12.4(13f), 12.4(25f), 12.4(18c), 12.4(5c), 12.4(8d), 12.4(12c), 12.4(17a), 12.4(18a), 12.4(17b), 12.4(7g), 12.3(8)JK, 12.4(6)MR1, 12.4(11)MR, 12.4(2)MR, 12.4(4)MR, 12.4(6)MR, 12.4(9)MR, 12.4(12)MR, 12.4(16)MR, 12.4(16)MR1, 12.4(19)MR2, 12.4(19)MR1, 12.4(19)MR, 12.4(20)MR, 12.4(4)MR1, 12.4(19)MR3, 12.4(12)MR1, 12.4(20)MR2, 12.4(16)MR2, 12.4(12)MR2, 12.4(2)MR1, 12.4(20)MR1, 12.4(4)T, 12.4(4)T1, 12.4(4)T2, 12.4(4)T3, 12.4(6)T, 12.4(6)T1, 12.4(6)T2, 12.4(9)T, 12.4(4)T4, 12.4(2)T5, 12.4(6)T3, 12.4(2)T, 12.4(11)T, 12.4(15)T, 12.4(20)T, 12.4(24)T, 12.4(24)T3, 12.4(4)T8, 12.4(20)T1, 12.4(22)T1, 12.4(15)T9, 12.4(11)T4, 12.4(15)T8, 12.4(6)T5, 12.4(15)T15, 12.4(24)T5, 12.4(15)T2, 12.4(6)T8, 12.4(15)T12, 12.4(24)T4, 12.4(6)T11, 12.4(9)T5, 12.4(20)T3, 12.4(6)T4, 12.4(4)T6, 12.4(22)T, 12.4(20)T6, 12.4(9)T3, 12.4(24)T8, 12.4(6)T7, 12.4(15)T13, 12.4(6)T10, 12.4(15)T3, 12.4(24)T2, 12.4(22)T5, 12.4(2)T3, 12.4(15)T10, 12.4(22)T4, 12.4(20)T5, 12.4(9)T6, 12.4(15)T4, 12.4(2)T4, 12.4(24)T1, 12.4(9)T4, 12.4(24)T7, 12.4(22)T3, 12.4(9)T1, 12.4(24)T6, 12.4(6)T9, 12.4(15)T5, 12.4(4)T7, 12.4(20)T2, 12.4(2)T1, 12.4(11)T1, 12.4(15)T11, 12.4(2)T6, 12.4(2)T2, 12.4(15)T7, 12.4(11)T2, 12.4(9)T7, 12.4(15)T14, 12.4(11)T3, 12.4(15)T6, 12.4(15)T16, 12.4(15)T1, 12.4(9)T2, 12.4(6)T6, 12.4(22)T2, 12.4(4)T5, 12.4(20)T4, 12.4(15)T17, 12.3(14)YT, 12.3(14)YT1, 12.3(7)JX2, 12.3(7)JX, 12.3(7)JX1, 12.3(7)JX4, 12.3(11)JX, 12.3(7)JX7, 12.3(7)JX12, 12.3(7)JX9, 12.3(7)JX10, 12.3(11)JX1, 12.3(7)JX6, 12.3(7)JX5, 12.3(7)JX3, 12.3(7)JX11, 12.3(7)JX8, 12.3(4)TPC11b, 12.3(4)TPC11a, 12.4(2)XA, 12.4(2)XA1, 12.4(2)XA2, 12.2(28)ZX, 12.4(4)XC, 12.4(4)XC1, 12.4(4)XC5, 12.4(4)XC7, 12.4(4)XC3, 12.4(4)XC4, 12.4(4)XC2, 12.4(4)XC6, 12.4(6)XE, 12.4(6)XE2, 12.4(6)XE1, 12.3(11)YZ1, 12.3(11)YZ, 12.3(11)YZ2, 12.4(11)SW, 12.4(15)SW6, 12.4(15)SW, 12.4(11)SW1, 12.4(15)SW5, 12.4(15)SW1, 12.4(15)SW4, 12.4(11)SW3, 12.4(11)SW2, 12.4(15)SW3, 12.4(15)SW2, 12.4(15)SW7, 12.4(15)SW8, 12.4(15)SW8a, 12.4(15)SW9, 12.4(11)XJ, 12.4(11)XJ3, 12.4(11)XJ2, 12.4(11)XJ4, 12.4(6)XT, 12.4(6)XT1, 12.4(6)XT2, 12.4(11)MD2, 12.4(11)XV, 12.4(11)XV1, 12.4(11)XW, 12.4(11)XW3, 12.4(11)XW7, 12.4(11)XW10, 12.4(11)XW8, 12.4(11)XW9, 12.4(11)XW6, 12.4(11)XW4, 12.4(11)XW1, 12.4(11)XW5, 12.4(11)XW2, 12.4(3g)JMA1, 12.4(15)XY4, 12.4(15)XY5, 12.4(15)XY1, 12.4(15)XY, 12.4(15)XY2, 12.4(15)XY3, 12.4(15)XZ, 12.4(15)XZ2, 12.4(15)XZ1, 12.3(8)ZA, 12.2(33)STE0, 12.4(10b)JDA1, 12.4(3g)JMB, 12.4(23c)JY, 12.4(10b)JDC, 12.4(10b)JDD, 15.0(1)M1, 15.0(1)M5, 15.0(1)M4, 15.0(1)M3, 15.0(1)M2, 15.0(1)M6, 15.0(1)M, 15.0(1)M7, 15.0(1)M10, 15.0(1)M9, 15.0(1)M8, 15.0(1)XA2, 15.0(1)XA4, 15.0(1)XA1, 15.0(1)XA3, 15.0(1)XA, 15.0(1)XA5, 15.1(2)T, 15.1(1)T4, 15.1(3)T2, 15.1(1)T1, 15.1(2)T0a, 15.1(3)T3, 15.1(1)T3, 15.1(2)T3, 15.1(2)T4, 15.1(1)T2, 15.1(3)T, 15.1(2)T2a, 15.1(3)T1, 15.1(1)T, 15.1(2)T2, 15.1(2)T1, 15.1(2)T5, 15.1(3)T4, 15.1(1)T5, 15.1(1)XB, 15.0(1)XO1, 15.0(1)XO, 15.0(2)XO, 12.2(33)MRA, 12.2(33)MRB5, 12.2(33)MRB2, 12.2(33)MRB1, 12.2(33)MRB4, 12.2(33)MRB, 12.2(33)MRB3, 12.2(33)MRB6, 15.3(1)T, 15.3(2)T, 15.3(1)T1, 15.3(1)T2, 15.3(1)T3, 15.3(1)T4, 15.3(2)T1, 15.3(2)T2, 15.3(2)T3, 15.3(2)T4, 12.4(10b)JDE, 15.0(1)EY, 15.0(1)EY1, 15.0(1)EY2, 12.4(20)MRB, 12.4(20)MRB1, 15.1(4)M3, 15.1(4)M, 15.1(4)M1, 15.1(4)M2, 15.1(4)M6, 15.1(4)M5, 15.1(4)M4, 15.1(4)M7, 15.1(4)M10, 15.1(4)M8, 15.1(4)M9, 12.4(3g)JMC1, 12.4(3g)JMC, 12.4(3g)JMC2, 15.0(2)SE8, 15.1(2)GC, 15.1(2)GC1, 15.1(2)GC2, 15.1(4)GC, 15.1(4)GC1, 15.1(4)GC2, 15.2(4)M, 15.2(4)M1, 15.2(4)M2, 15.2(4)M4, 15.2(4)M3, 15.2(4)M5, 15.2(4)M8, 15.2(4)M10, 15.2(4)M7, 15.2(4)M6, 15.2(4)M9, 15.2(4)M6a, 15.2(4)M11, 15.0(2)SG11a, 12.4(21a)JHC, 15.0(1)EX, 15.0(2)EX2, 15.0(2)EX8, 15.0(2)EX10, 15.0(2)EX11, 15.0(2)EX13, 15.0(2)EX12, 15.2(1)GC, 15.2(1)GC1, 15.2(1)GC2, 15.2(2)GC, 15.2(3)GC, 15.2(3)GC1, 15.2(4)GC, 15.2(4)GC2, 15.2(4)GC3, 15.4(1)T, 15.4(2)T, 15.4(1)T2, 15.4(1)T1, 15.4(1)T3, 15.4(2)T1, 15.4(2)T3, 15.4(2)T2, 15.4(1)T4, 15.4(2)T4, 15.2(2a)E2, 15.2(3a)E, 15.2(3)E4, 15.2(2)E5b, 15.2(6)E0c, 15.1(3)MRA3, 15.1(3)MRA4, 15.1(3)SVB1, 15.1(3)SVB2, 15.4(2)S3, 15.3(3)M, 15.3(3)M1, 15.3(3)M2, 15.3(3)M3, 15.3(3)M5, 15.3(3)M4, 15.3(3)M6, 15.3(3)M7, 15.3(3)M8, 15.3(3)M9, 15.3(3)M8a, 15.2(4)JN, 15.1(3)SVD, 15.1(3)SVD1, 15.1(3)SVD2, 15.1(3)SVF, 15.1(3)SVF1, 15.1(3)SVE, 15.2(4)JAZ1, 15.4(1)CG, 15.4(1)CG1, 15.4(2)CG, 15.1(3)SVG, 15.5(1)T, 15.5(1)T1, 15.5(2)T, 15.5(1)T2, 15.5(1)T3, 15.5(2)T1, 15.5(2)T2, 15.5(2)T3, 15.5(2)T4, 15.5(1)T4, 15.5(3)M, 15.5(3)M1, 15.5(3)M0a, 15.5(3)M2, 15.5(3)M3, 15.5(3)M4, 15.5(3)M4a, 15.5(3)M5, 15.3(3)JAA1, 15.0(2)SQD, 15.0(2)SQD1, 15.0(2)SQD2, 15.0(2)SQD3, 15.0(2)SQD4, 15.0(2)SQD5, 15.0(2)SQD6, 15.0(2)SQD7, 15.0(2)SQD8, 15.6(1)T, 15.6(2)T, 15.6(1)T0a, 15.6(1)T1, 15.6(2)T1, 15.6(1)T2, 15.6(2)T2, 15.6(3)M, 15.6(3)M1, 15.6(3)M0a, 15.6(3)M1b, 15.6(3)M2, 15.6(3)M2a, 15.1(3)SVJ2, 15.3(3)JPC5, 15.3(3)JPR1
IntelliShieldUniversal ProductN/A

06Detection

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