National Police Spokesman Brig.Gen.Dedi Prasetyo confirmed the attack on Wiranto, and the Pandeglang district administration would brief the journalists on the incident.
Wiranto, who like many Indonesians goes by one name, is reportedly in stable condition.
The attack comes just over a week before Indonesian President Joko Widodo kicks off a second term after his April re-election.
Police said they also arrested a female companion of the attacker.
As chief security minister, Wiranto oversees five ministries including foreign, interior and defence.
The assault happened after the senior minister attended the inauguration of a university building in Sindanghayu village, Saketi subdistrict, local news media bantennews.co.id is reporting.
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Wiranto - who police have said was one of several targets in a failed assassination plot earlier this year - was later rushed by helicopter to the capital Jakarta.
Wiranto had just stepped out of his vehicle and was being welcomed by the police chief in Pandeglang town when the attacker dashed toward them, wounding both along with a third man. Bodyguards wrestled the attacker to the ground and tied his hands behind his back while others helped Wiranto, who stumbled to the ground. "He was arrested and the woman fought the police", Madrohim added.
Bodyguards wrestled the attacker to the ground and tied his hands behind his back while others helped Wiranto, who stumbled to the ground.
While the motive for the attack was not immediately clear, Prasetyo told reporters they may have been inspired by the extremist ideology of ISIS. The group has been blamed for past bomb attacks in Indonesia.
Wiranto was indicted by a United Nations panel over the bloodshed surrounding East Timor's 1999 independence vote, when about 1,000 people were killed.
He was a presidential candidate in 2004 but came third.