Jiransecurity Spamsniper Stack-based Buffer Overflow Vulnerability
Priority MEDIUM 47CWE-121Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.
Summary
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.
Why it matters now
EPSS 0.02796 86th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Jiransecurity | Spamsniper | 5.2.7 – 5.7.8 revision 5500 | — | No fix listed | CNA |
- Spamsniper VendorJiransecurity Affected 5.2.7 – 5.7.8 revision 5500 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:jiransecurity:spamsniper:*:*:*:*:*:*:*:* | 5.0.2 to before 5.7.6 | Vulnerable | Jiransecurity |
- cpe:2.3:a:jiransecurity:spamsniper:*:*:*:*:*:*:*:* Versions 5.0.2 to before 5.7.6 Vulnerable ·Jiransecurity
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-7845
- 2026-10-03 Alias added: GHSA-c4mq-vprg-6v7w
References
Sources
- CVE-2020-7845 · CVE Program
- CVE-2020-7845 · NVD
- FIRST EPSS
- GHSA-c4mq-vprg-6v7w · GitHub Advisory Database · CC BY 4.0
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