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CVE-2020-5135 — SonicWall SonicOS Buffer Overflow Vulnerability

provenance: imported · CVE: CVE-2020-5135 · CWE: CWE-120

CVE-2020-5135: SonicWall SonicOS Buffer Overflow Vulnerability

CISA Known Exploited Vulnerability (KEV)

Vendor / project SonicWall
Product SonicOS
Date added 2022-03-15
Due date 2022-04-05
Ransomware campaign use Known

Description

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.

Required action (CISA)

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2020-5135

Weakness behind it

CISA records this vulnerability as an instance of CWE-120. From there the chain continues into CAPEC attack patterns and ATT&CK techniques, all inside this corpus.

References

  • NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-5135
  • KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

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