Cisco Email Security Appliance ZIP Decompression Engine Restart denial of service
| CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system. |
Current Exploit Price (β)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack. |
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability. |
|---|---|---|
| 5.6 | $0-$5k | 6.90 |
A vulnerability was found in Cisco Email Security Appliance (Anti-Malware Software) (the affected version is unknown). It has been declared as problematic. This vulnerability affects an unknown part of the component ZIP Decompression Engine. The manipulation with an unknown input leads to a denial of service vulnerability (Restart). The CWE definition for the vulnerability is CWE-20. As an impact it is known to affect availability.
The weakness was disclosed 01/26/2020 as cisco-sa-esa-dos-87mBkc8n as confirmed advisory (Website). The advisory is available at tools.cisco.com. This vulnerability was named CVE-2020-3134 since 12/12/2019. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 01/26/2020).
Upgrading eliminates this vulnerability.
Type
Vendor
Name
VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.6
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: π
VulDB Reliability: π
NVD Base Score: 6.5
NVD Vector: π
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| π | π | π | π | π | π |
| π | π | π | π | π | π |
| π | π | π | π | π | π |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| unlock | unlock | unlock | unlock | unlock | unlock |
| unlock | unlock | unlock | unlock | unlock | unlock |
| unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: π
VulDB Temp Score: π
VulDB Reliability: π
Class: Denial of service / Restart (CWE-20)
Local: No
Remote: Yes
Availability: π
Status: Not defined
Price Prediction: π
Current Price Estimation: π
| 0-Day | unlock | unlock | unlock | unlock |
|---|---|---|---|---|
| Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Threat: π
Adversaries: π
Geopolitics: π
Economy: π
Predictions: π
Remediation: πRecommended: Upgrade
Status: π
0-Day Time: π
12/12/2019 CVE assigned
01/26/2020 Advisory disclosed
01/26/2020 VulDB entry created
01/26/2020 VulDB last updateVendor: cisco.com
Advisory: cisco-sa-esa-dos-87mBkc8n
Status: Confirmed
CVE: CVE-2020-3134 (π)
Created: 01/26/2020 12:58 PM
Complete: π
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