Shrewsbury goalkeeper Chris Weale fouled JP McGovern in the area on 68 minutes and Miller put United back on terms.
The game ended 2-2 but there was worse news for Carlisle with winger Matty Robson limping out of the game after only nine minutes with a suspected back problem
More top news
A look ahead at the forecast for the Border region.
The museum has been granted £635,000 of lottery money to expand the existing Jim Clark Room.
The video sees Mark Beaumont pass some of the region’s most recognisable attractions, activities, and landscapes.