CVE-2020-8510

CRITICALCVSS 9.8/10EPSS 1.25%

Last modified

CVE-2020-8510 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An issue was discovered in phpABook 0.9 Intermediate. On the login page, if one sets a userInfo cookie with the value of admin+1+en (user+perms+lang), one can login as any user without a password.. EPSS estimates a 1.25% chance of exploitation in the next 30 days.

Description

An issue was discovered in phpABook 0.9 Intermediate. On the login page, if one sets a userInfo cookie with the value of admin+1+en (user+perms+lang), one can login as any user without a password.

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
1.25%

65.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Phpabook ProjectPhpabook0.9

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-8510?
An issue was discovered in phpABook 0.9 Intermediate. On the login page, if one sets a userInfo cookie with the value of admin+1+en (user+perms+lang), one can login as any user without a password.
How severe is CVE-2020-8510?
CVE-2020-8510 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.25% probability of exploitation in the next 30 days.
How do I fix CVE-2020-8510?
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-2020-8510?

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

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Source: NVD / NIST