Coverage › CVE-2020-5135
CVE-2020-5135 Unmapped
SonicWall SonicOS Buffer Overflow Vulnerability
- Vendor / product
- SonicWall — SonicOS
- Description (CISA)
- 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.
- Added to KEV
- 2022-03-15
- Due date
- 2022-04-05
- Required action
- Apply updates per vendor instructions.
- Known ransomware use
- Known
- CWE
- CWE-120
- CISA notes
- https://nvd.nist.gov/vuln/detail/CVE-2020-5135
- Elsewhere
- cve.org · NVD · CISA KEV · JSON
ATT&CK techniques
No public source states how this vulnerability is exploited in ATT&CK terms.
The only authoritative CVE → ATT&CK mapping in the open — CTID's Mappings Explorer, pinned to a KEV snapshot of 2025-07-28 and ATT&CK 16.1 — does not include CVE-2020-5135. CISA's catalogue carries no technique field. kevmap does not infer techniques from the CWE (CWE-120) — here is why — and does not guess.
This page will change state automatically if a mapping is published. What is shown above is everything CISA publishes about the entry.