The phrase "a known flaw" is correct and usable in written English.
You can use it when referring to a defect or issue that is already recognized or acknowledged in a particular context, such as technology, products, or processes.
Example: "The software update addresses a known flaw that caused frequent crashes in the previous version."
Alternatives: "an acknowledged issue" or "a recognized defect."
It took years to fix.Second, SQL Slammer exploited a known flaw; Microsoft issued "patch" software to fix it months ago.
It also revealed, on Wednesday, that the root of the breach was a known flaw in the software package Apache.
Shortly afterwards a Tornado jet was shot down by in a "friendly fire" incident because of a known flaw in the identification system.
Moreover, complexity feeds on itself since "fixing a known flaw is likely to introduce a new, unknown flaw".On this analysis, many of today's problems stem from Microsoft's success in creating a virtual monopoly.
The indictment said that the hackers exploited the "Heartbleed" vulnerability — a known flaw in the widely used OpenSSL cryptographic library — to gain a foothold into the institution's network.
Today it emerged that the Japan-based company did so after realizing that it had failed to properly account for a known flaw in the Bitcoin protocol.
Obesity is commonly measured by BMI (body mass index, which is body mass divided by the square of the body height) a measure which has well known flaws at an individual level, since muscular athletes may have a high BMI without being obese.
To this purpose, the ability of each tool to detect known flaws in a uniform set of well-known cryptographic protocols has been checked.
It turns out, based on the internal reports and engineering assessments the Times got, that the mystery is not how a sophisticated failsafe device could have possibly failed, but which of the many well known flaws in a not very safe system was to blame.
This type of software, called an exploit pack, takes advantage of known flaws in commonly used programs, such as Adobe Reader and Internet Explorer, to hack computers without the need for human intervention.
Despite the MMSE's known flaws, it is still used extensively as both a screening instrument for dementia and a population measure of cognitive ability.
