CVE-2020-7845

Jiransecurity Spamsniper Stack-based Buffer Overflow Vulnerability

CRITICAL
9.8
CVSS Score
Published: December 27, 2020 at 01:26 AM UTC
Updated: June 17, 2026 at 03:25 AM UTC
1 product affected across 1 vendorSpamsniper

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Severity
CRITICAL9.8
Exploit prediction
EPSS 3%

Description

Spamsniper 5.0 ~ 5.2.7 contain a stack-based buffer overflow vulnerability caused by improper boundary checks when parsing MAIL FROM command. It leads remote attacker to execute arbitrary code via crafted packet.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

5.0.2 ≤ v < 5.7.65.2.7 ≤ v ≤ 5.7.8 revision 55005.2.7
Affected range stops below 5.7.6, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-121CWE-787

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