CVE-2021-22918 in nodejs and Siemens Products
Published on July 12, 2021
Weakness Type
Out-of-bounds Read
The software reads data past the end, or before the beginning, of the intended buffer. Typically, this can allow attackers to read sensitive information from other memory locations or cause a crash. A crash can occur when the code reads a variable amount of data and assumes that a sentinel exists to stop the read operation, such as a NUL in a string. The expected sentinel might not be located in the out-of-bounds memory, causing excessive data to be read, leading to a segmentation fault or a buffer overflow. The software may modify an index or perform pointer arithmetic that references a memory location that is outside of the boundaries of the buffer. A subsequent read operation then produces undefined or unexpected results.
Products Associated with CVE-2021-22918
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Affected Versions
NodeJS Node:- Version 4.0 and below 4.* is affected.
- Version 5.0 and below 5.* is affected.
- Version 6.0 and below 6.* is affected.
- Version 7.0 and below 7.* is affected.
- Version 8.0 and below 8.* is affected.
- Version 9.0 and below 9.* is affected.
- Version 10.0 and below 10.* is affected.
- Version 11.0 and below 11.* is affected.
- Version 12.0 and below 12.22.2 is affected.
- Version 13.0 and below 13.* is affected.
- Version 14.0 and below 14.17.2 is affected.
- Version 15.0 and below 15.* is affected.
- Version 16.0 and below 16.4.1 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.