Commonwealth bank was hit by an outage on Thursday.
Online banking services, including the app, were all taken offline for a period on Thursday afternoon.
Services were down from approximately midday, with the bank announcing the issue had been resolved at 2.30pm.
According to a report from The Australian, no information on what had caused the outage was made available.
Following the outage at midday, the bank released an announcement.
"CommBank banking services, including payments, online access and ATMs are being restored," the bank said in an update on its website at 12.45 pm AEST.
"We apologise for any inconvenience and thank you for your patience."
At 2:30pm, CBA released another announcement on its website saying the issue had been fixed.
"An issue today affecting some of our services has been fixed. CommBank banking services, including payments, online access and ATMs are working. We apologise for any inconvenience and thank you for your patience."
The ABC reported that no branches were closed as a result of the outage.
CBA stock price unaffected
Despite the outage, Commonwealth Bank of Australia (ASX: CBA) surged ahead 1.65% yesterday.
This was ahead of the S&P/ASX 200 Index (ASX: XJO) which rose 1.13%.
The CBA share price is now up almost 4% in the last week.
This is despite many brokers still warning the stock price trading well above fair value.
The Motley Fool's Bernd Struben reported yesterday that Commonwealth Bank of Australia (ASX: CBA) was the weakest performer out of the big four banks in the month of September.
It was down 2.0% over the month just past, trailing the ASX 200.
The other big four banks:
