CVE-2020-7845
CVE-2020-7845 is a high-severity vulnerability in Jiransecurity Spamsniper with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: High (CVSS 3.x base score 8.1)
- CVSS v2: 7.5
- EPSS exploit prediction: 3% (84th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Jiransecurity Spamsniper
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2020-7845?
- 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.
- How severe is CVE-2020-7845?
- CVE-2020-7845 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2020-7845 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-7845?
- CVE-2020-7845 affects Jiransecurity Spamsniper. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-7845?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2020-7845 published?
- CVE-2020-7845 was published on 2020-12-27 and last updated on 2026-06-17.
References
- https://www.jiransecurity.com/
- https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=35855
Affected products (1)
- cpe:2.3:a:jiransecurity:spamsniper:*:*:*:*:*:*:*:*
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