CVE-2020-8986

CRITICALCVSS 9.8/10EPSS 1.54%

Last modified

CVE-2020-8986 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. lib/NSSDropbox.php in ZendTo prior to 5.22-2 Beta failed to properly check for equality when validating the session cookie, allowing an attacker to gain administrative access with a large number of requests.. EPSS estimates a 1.54% chance of exploitation in the next 30 days.

Description

lib/NSSDropbox.php in ZendTo prior to 5.22-2 Beta failed to properly check for equality when validating the session cookie, allowing an attacker to gain administrative access with a large number of requests.

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
1.54%

71.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
ZendZendto3.10
ZendZendto3.11
ZendZendto3.12
ZendZendto3.13
ZendZendto3.20
ZendZendto3.51
ZendZendto3.52
ZendZendto3.53
ZendZendto3.54
ZendZendto3.55
ZendZendto3.56-2
ZendZendto3.57
ZendZendto3.58
ZendZendto3.59
ZendZendto3.60
ZendZendto3.61
ZendZendto3.62
ZendZendto3.63
ZendZendto3.64
ZendZendto3.65
ZendZendto3.70-2
ZendZendto3.71
ZendZendto3.72
ZendZendto3.73
ZendZendto3.74
ZendZendto3.75
ZendZendto3.90
ZendZendto3.91
ZendZendto3.92
ZendZendto3.93
ZendZendto3.94
ZendZendto4.00
ZendZendto4.01
ZendZendto4.02
ZendZendto4.03-3
ZendZendto4.05-2
ZendZendto4.06-2
ZendZendto4.07-1
ZendZendto4.08-4
ZendZendto4.09-1
ZendZendto4.10-4
ZendZendto4.10-5
ZendZendto4.11-1
ZendZendto4.11-2
ZendZendto4.11-3
ZendZendto4.11-4
ZendZendto4.11-5
ZendZendto4.11-7
ZendZendto4.11-8
ZendZendto4.11-9

Showing 50 of 123 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-8986?
lib/NSSDropbox.php in ZendTo prior to 5.22-2 Beta failed to properly check for equality when validating the session cookie, allowing an attacker to gain administrative access with a large number of requests.
How severe is CVE-2020-8986?
CVE-2020-8986 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.54% probability of exploitation in the next 30 days.
How do I fix CVE-2020-8986?
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-2020-8986?

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

Scan your code now

Source: NVD / NIST