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Monthly Vulnerability Review – July 2020

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In July, Secunia research issued 674 advisories for 83 unique vendors in 361 products and 475 unique versions, while issued 97 rejection notice advisories. An increase of 34.5% advisories from the previous month.

A Zero-day vulnerability was reported in Cisco ASA firewall and FDA products.

Oracle overtook RedHat as a top vendor with most vulnerabilities.

The amount of browsers vulnerabilities and their relevant patches are Achilles’ heel of effective patch management.


A vulnerability is reported in the web service system that allows remote access to Cisco ASA (Adaptive Security Appliance) – a network firewall and Cisco’s Firepower Threat Defence. An attacker can send a specially crafted HTTP request that can traverse the servers’ file system and also establish an SSL VPN or AnyConnect VPN session to the devices by impersonating another user. A lack of proper input validation causes it. There are reports of a publicly available exploit being used in targeted attacks.

 Cisco ASA 9.6 till 9.14 are affected. Secunia Research has issued SA96432, which has further details.

Call to Action


  • Cisco ASA running lower than 9.6 version should migrate to the latest supported software or above.
  • Versions from 9.6 till 9.14 needs to update to latest versions as described here.  
  • Cisco FDA 6.2.2 till 6.6.0 are affected and should be updated to the latest fixed released versions as mentioned on the above link.

Operating Systems:

  • SUSE Linux   =  58
  • Amazon Linux  =  49
  • Ubuntu  =  37
  • Fedora  =  35
  • Oracle Linux  =  34
  • Red Hat Enterprise Linux =  28
  • CentOS Advisories  =  7
  • Microsoft OS Advisories  =  7

Top Vendors with the most Advisories



Key Points

  • Oracle has taken over Red Hat as a top vendor with staggering 72 advisories.
  • Microsoft moved down to the 10th place with 24 advisories. 7 for its primary OSes. A highly critical advisory – SA96100 affecting Windows 10 and Server 2019.  Out of band patches were issued for Microsoft Edge Chromium.
  • Linux/Unix based Operating systems are among the top software with most vulnerabilities – as usual.  

Advisories for Browers

  • Microsoft Internet Explorer 9 & 11: 1 Advisory - Apply Microsoft Update as listed on the official site
  • Microsoft Edge (HTML Based - Legacy): 1 Advisory -  Update to the latest version as mentioned in the above link
  • Microsoft Edge (Chromium Based): 2 Advisories – Upgrade to 84.0.522.49
  • Google Chrome: 2 Advisories – Upgrade to 84.0.4147.125
  • Mozilla Firefox: 6 Advisories –  Update to version 68.11
  • Mozilla Thunderbird – 3 Advisories – Update to 68.11.


Advisories by Criticality

Secunia Advisory criticalities are further explained at this link.




Advisories by Attack Vector.

65% of vulnerabilities can be exploited from remote, which makes the remediation efforts even more critical.


Advisories by Average CVSS Score

A CVSS score is a metric that is used to measure the severity of a vulnerability. CVSS3 specifications and the criteria details can be found at this link.

CVSS ranges from 0 to 10. 0 being the lowest and 10 being the highest score; the advisories spread is as below:

CVSS 3 Score

  • Advisories with Low CVSS3 under 4.0: 39  (5.79%)
  • Advisories with Mid CVSS3 range 4-7: 231 (34.27%)
  • Advisories with High CVSS3 range 7-10: 404 (59.94%)




Advisories by Solution





Threat Score

An add-on by Software Vulnerability Research and Software Vulnerability Manager is Threat Intelligence. We give a score from 0 to 100 depending upon its severity, exploit availability, inclusion in penetration testing tools and the likelihood of being exploited. A detailed explanation of Threat Score calculation is available at this link.



  • Advisories with positive Threat Score (1+):            405 (60.09%)
  • None Threat Score SAIDs (=0):                                 269 (39.91%)
  • Low-Range Threat Score SAIDs      (1-12):               189 (28.04%)
  • Medium-Range Threat Score SAIDs   (13-23):       169 (25.07%)
  • High-Range Threat Score SAIDs     (24-44):             17 (2.52%)
  • Critical-Range Threat Score SAIDs (45-70):             14 (2.08%)
  • Very Critical Threat Score SAIDs  (71-99):               16 (2.37%)

Ransomware, Malware, and Exploit Kits:


  • Historically Linked to Ransomware:          10   (1.48%)
  • Historically Linked to Malware:                 79  (11.72%)
  • Linked to a Recent Cyber Exploit:              86  (12.76%)
  • Related to a Historical Cyber Exploits:      255 (37.83%)
  • Included in Penetration Testing Tools:     275  (40.80%)




The amount of reported vulnerabilities is on the rise. Linux/Unix based OS are most vulnerable. Browers patches are released from 3 to 6 times a month which makes patching effort quite tricky especially for Google Chrome and Mozilla Firefox. Zero days must be prioritized as a likelihood of an attack is very high.

A complete list of vulnerabilities affected versions, criticality, threat score, and relevant patch information are available in the Software Vulnerability Research and Software Vulnerability Manager solutions from Flexera.