Vulnerability · Published Sep 15, 2021 · Assigned by mitre

CVE-2021-39392

Critical 9.8

In plain English

A critical-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.3% (higher than 83% of all known vulnerabilities).

Severity (CVSS NVD)9.8Critical

Exploit odds (30 days)2.3%top 17.0% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

The management tool in MyLittleBackup up to and including 1.7 allows remote attackers to execute arbitrary code because machineKey is hardcoded (the same for all customers' installations) in web.config, and can be used to send serialized ASP code.

Affected products (as reported)

Vendor	Product	Versions
n/a	n/a	n/a

References

http://www.mylittlebackup.com/mlb/zip/mlb_1.7.zip x_refsource_MISC
https://gist.github.com/omriinbar/65827626e63f15e3e50557e2d9d61281 x_refsource_MISC