VDB
CVE-2020-5135
CVE-2020-5135
PUBLISHED
KEV
CVSS 7.5 HIGH
A buffer overflow vulnerability in SonicOS allows a remote attacker to cause Denial of Service (DoS) and potentially execute arbitrary code by sending a malicious request to the firewall. This vulnerability affected SonicOS 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.
EPSS 26.45% · 96.4th percentile
Risk Scores
CVSS 2.0
7.5
EPSS Score
26.45%
96.4th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| sonicwall | sonicosv | 0 |
| sonicwall | sonicos | 7.0.0.0, 0, 6.5.0.0 |
| SonicWall | SonicOS | SonicOSv 6.5.4.4-44v-21-794 and earlier, SonicOS 6.5.1.11-4n and earlier, SonicOS 7.0.0.0-1 |
Timeline
- Oct 12, 2020 CVE Published
- Oct 19, 2020 PoC Published
- Apr 14, 2021 EPSS Score
- Oct 25, 2021 PoC Published
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Mar 15, 2022 CISA KEV Added
- Apr 1, 2022 EPSS Score
- Jun 14, 2023 PoC Published
- Nov 14, 2024 PoC Published
- Dec 24, 2024 PoC Published
- Feb 23, 2025 PoC Published
References
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0009 advisory
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0013 advisory
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0011 advisory
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0016 advisory
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0012 advisory
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0015 advisory
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0018 advisory
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0017 advisory
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0008 advisory
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0010 advisory
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0014 advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-5135 url
- https://nvd.nist.gov/vuln/detail/CVE-2020-5135 advisory