CVE-2020-8986: Critical severity Zend ZendTo vulnerability

Published Mar 24, 2020
·
Updated

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.

Affected Software

123 affected components
Zend ZendTo=3.10
Zend ZendTo=3.11
Zend ZendTo=3.12
Zend ZendTo=3.13
Zend ZendTo=3.20
Zend ZendTo=3.51
Zend ZendTo=3.52
Zend ZendTo=3.53
Zend ZendTo=3.54
Zend ZendTo=3.55
Zend ZendTo=3.56-2
Zend ZendTo=3.57
Zend ZendTo=3.58
Zend ZendTo=3.59
Zend ZendTo=3.60
Zend ZendTo=3.61
Zend ZendTo=3.62
Zend ZendTo=3.63
Zend ZendTo=3.64
Zend ZendTo=3.65
Zend ZendTo=3.70-2
Zend ZendTo=3.71
Zend ZendTo=3.72
Zend ZendTo=3.73
Zend ZendTo=3.74
Zend ZendTo=3.75
Zend ZendTo=3.90
Zend ZendTo=3.91
Zend ZendTo=3.92
Zend ZendTo=3.93
Zend ZendTo=3.94
Zend ZendTo=4.00
Zend ZendTo=4.01
Zend ZendTo=4.02
Zend ZendTo=4.03-3
Zend ZendTo=4.05-2
Zend ZendTo=4.06-2
Zend ZendTo=4.07-1
Zend ZendTo=4.08-4
Zend ZendTo=4.09-1
Zend ZendTo=4.10-4
Zend ZendTo=4.10-5
Zend ZendTo=4.11-1
Zend ZendTo=4.11-2
Zend ZendTo=4.11-3
Zend ZendTo=4.11-4
Zend ZendTo=4.11-5
Zend ZendTo=4.11-7
Zend ZendTo=4.11-8
Zend ZendTo=4.11-9
Zend ZendTo=4.11-10
Zend ZendTo=4.11-11
Zend ZendTo=4.11-12
Zend ZendTo=4.11-13
Zend ZendTo=4.11-14
Zend ZendTo=4.12-5
Zend ZendTo=4.12-6
Zend ZendTo=4.13-1
Zend ZendTo=4.20-2
Zend ZendTo=4.20-3
Zend ZendTo=4.20-5
Zend ZendTo=4.20-6
Zend ZendTo=4.20-7
Zend ZendTo=4.25-3
Zend ZendTo=4.27-1
Zend ZendTo=4.27-2
Zend ZendTo=4.27-4
Zend ZendTo=4.27-5
Zend ZendTo=4.27-6
Zend ZendTo=4.27-7
Zend ZendTo=4.28-1
Zend ZendTo=4.28-2
Zend ZendTo=5.00-1
Zend ZendTo=5.00-2
Zend ZendTo=5.01-5
Zend ZendTo=5.02-5
Zend ZendTo=5.03-1
Zend ZendTo=5.04-7
Zend ZendTo=5.09-13
Zend ZendTo=5.10-1
Zend ZendTo=5.10-2
Zend ZendTo=5.11-1
Zend ZendTo=5.11-2
Zend ZendTo=5.11-3
Zend ZendTo=5.11-4
Zend ZendTo=5.11-5
Zend ZendTo=5.11-6
Zend ZendTo=5.12-3-beta
Zend ZendTo=5.12-4-beta
Zend ZendTo=5.12-6-beta
Zend ZendTo=5.12-7-beta
Zend ZendTo=5.12-8-beta
Zend ZendTo=5.13-1
Zend ZendTo=5.13-2
Zend ZendTo=5.14-2-beta
Zend ZendTo=5.14-5-beta
Zend ZendTo=5.15-1
Zend ZendTo=5.16-1-beta
Zend ZendTo=5.16-4-beta
Zend ZendTo=5.16-5-beta
Zend ZendTo=5.16-7-beta
Zend ZendTo=5.16-8-beta
Zend ZendTo=5.16.6-beta
Zend ZendTo=5.17-1
Zend ZendTo=5.17-2
Zend ZendTo=5.17-3
Zend ZendTo=5.17-4
Zend ZendTo=5.17-5-beta
Zend ZendTo=5.17-6
Zend ZendTo=5.18-1-beta
Zend ZendTo=5.18-2-beta
Zend ZendTo=5.19-1-production
Zend ZendTo=5.20-1-beta
Zend ZendTo=5.20-2-beta
Zend ZendTo=5.20-3-beta
Zend ZendTo=5.20-5-beta
Zend ZendTo=5.20-6-beta
Zend ZendTo=5.20-7-beta
Zend ZendTo=5.20-8-beta
Zend ZendTo=5.20-9-beta
Zend ZendTo=5.21-1-production
Zend ZendTo=5.21-2-production
Zend ZendTo=5.22-1-beta

Event History

Mar 24, 2020
CVE Published
via MITRE·08:12 PM
Data Sourced
via MITRE·08:12 PM
Description
Data Sourced
via NVD·09:15 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2020-8986?

CVE-2020-8986 is considered a critical vulnerability due to its potential to allow unauthorized administrative access.

2

How do I fix CVE-2020-8986?

To fix CVE-2020-8986, upgrade to ZendTo version 5.22-2 Beta or later, which includes the necessary patches.

3

What type of attack is CVE-2020-8986 associated with?

CVE-2020-8986 is associated with session management vulnerabilities that could lead to session hijacking.

4

Which versions of ZendTo are affected by CVE-2020-8986?

CVE-2020-8986 affects all versions of ZendTo prior to 5.22-2 Beta.

5

What impact does CVE-2020-8986 have on my system?

CVE-2020-8986 can lead to unauthorized administrative access, compromising the integrity and confidentiality of the data managed by ZendTo.

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