What is CVE-2023-39277?

CVE-2023-39277 is a medium-severity vulnerability in Sonicwall Nsa_2600, classified under Stack-based Buffer Overflow. CVSS score: 6.5/10. Published 2023-10-17.

How severe is CVE-2023-39277?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Buffer overflow in Sonicwall Nsa_2600

CVE-2023-39277

SonicOS post-authentication stack-based buffer overflow vulnerability in the sonicflow.csv and appflowsessions.csv URL endpoints leads to a firewall crash.

Vulnerability class: Buffer Overflow

EPSS: 0.008 (52.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Sonicwall Nsa_2600
Sonicwall Nsa_2650
Sonicwall Nsa2700
Sonicwall Nsa_3600
Sonicwall Nsa_3650
Sonicwall Nsa3700
Sonicwall Nsa_4600
Sonicwall Nsa_4650
Sonicwall Nsa4700
Sonicwall Nsa_5600

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow
CWE-787 — Out-of-bounds Write

References

PSIRT@sonicwall.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2023-39277?: CVE-2023-39277 is a medium-severity vulnerability in Sonicwall Nsa_2600, classified under Stack-based Buffer Overflow. CVSS score: 6.5/10. Published 2023-10-17.
How severe is CVE-2023-39277?: Medium severity. CVSS v3 base score is 6.5 out of 10.