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CVE-2019-19735

CRITICALCVSS 9.1/10EPSS 0.77%

Last modified

CVE-2019-19735 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. class.userpeer.php in MFScripts YetiShare 3.5.2 through 4.5.3 uses an insecure method of creating password reset hashes (based only on microtime), which allows an attacker to guess the hash and set the password within a few hours by bruteforcing.. EPSS estimates a 0.77% chance of exploitation in the next 30 days.

Description

class.userpeer.php in MFScripts YetiShare 3.5.2 through 4.5.3 uses an insecure method of creating password reset hashes (based only on microtime), which allows an attacker to guess the hash and set the password within a few hours by bruteforcing.

Metrics

CVSS 3.1
9.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS Probability
0.77%

50.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MfscriptsYetishare>= 3.5.2, <= 4.5.3

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2019-19735?
class.userpeer.php in MFScripts YetiShare 3.5.2 through 4.5.3 uses an insecure method of creating password reset hashes (based only on microtime), which allows an attacker to guess the hash and set the password within a few hours by bruteforcing.
How severe is CVE-2019-19735?
CVE-2019-19735 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 0.77% probability of exploitation in the next 30 days.
How do I fix CVE-2019-19735?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-19735?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST