Vulnerability Details : CVE-2020-5137
A buffer overflow vulnerability in SonicOS allows a remote unauthenticated attacker to cause Denial of Service (DoS) on the firewall SSLVPN service and leads to firewall crash. This vulnerability affected SonicOS Gen 5 version 5.9.1.7, 5.9.1.13, Gen 6 version 6.5.4.7, 6.5.1.12, 6.0.5.3, SonicOSv 6.5.4.v and Gen 7 version 7.0.0.0.
Vulnerability category: OverflowDenial of service
Products affected by CVE-2020-5137
- cpe:2.3:o:sonicwall:sonicos:*:*:*:*:*:*:*:*
- cpe:2.3:o:sonicwall:sonicos:*:*:*:*:*:*:*:*
- cpe:2.3:o:sonicwall:sonicos:*:*:*:*:*:*:*:*
- cpe:2.3:o:sonicwall:sonicos:*:*:*:*:*:*:*:*
- cpe:2.3:o:sonicwall:sonicos:7.0.0.0:*:*:*:*:*:*:*
- cpe:2.3:o:sonicwall:sonicosv:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-5137
0.18%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 55 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-5137
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2020-5137
-
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.Assigned by:
- nvd@nist.gov (Primary)
- PSIRT@sonicwall.com (Secondary)
References for CVE-2020-5137
-
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0012
Security AdvisoryVendor Advisory
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