Police were called to Homerton Road just after 9.15pm yesterday evening (May 9).
A 22-year-old man was treated at the scene for gunshot injuries by London Ambulance Service (LAS).
He was rushed to hospital where his injuries were assessed as not life-threatening or life-changing.
A police investigation has been launched, but no arrests have been made.
Anyone who saw the incident, or has any other information about what happened, has been asked to call 101, quoting reference 7850.
To remain anonymous, you can contact the independent charity Crimestoppers on 0800 555 111.