CVE-2020-10539

CRITICALCVSS 9.8/10EPSS 1.46%

Last modified

CVE-2020-10539 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An issue was discovered in Epikur before 20.1.1. The Epikur server contains the checkPasswort() function that, upon user login, checks the submitted password against the user password's MD5 hash stored in the database. EPSS estimates a 1.46% chance of exploitation in the next 30 days.

Description

An issue was discovered in Epikur before 20.1.1. The Epikur server contains the checkPasswort() function that, upon user login, checks the submitted password against the user password's MD5 hash stored in the database. It is also compared to a second MD5 hash, which is the same for every user (aka a "Backdoor Password" of 3p1kursupport). If the submitted password matches either one, access is granted.

Metrics

CVSS 3.1
9.8/10

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

EPSS Probability
1.46%

70.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
EpikurEpikur< 20.1.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-10539?
An issue was discovered in Epikur before 20.1.1. The Epikur server contains the checkPasswort() function that, upon user login, checks the submitted password against the user password's MD5 hash stored in the database. It is also compared to a second MD5 hash, which is the same for every user (aka a "Backdoor Password" of 3p1kursupport). If the submitted password matches either one, access is granted.
How severe is CVE-2020-10539?
CVE-2020-10539 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.46% probability of exploitation in the next 30 days.
How do I fix CVE-2020-10539?
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-2020-10539?

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

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Source: NVD / NIST