Vulnerability in Acmailer
CVE-2021-20617
Improper access control vulnerability in acmailer ver. 4.0.1 and earlier, and acmailer DB ver. 1.1.3 and earlier allows remote attackers to execute an arbitrary OS command, or gain an administrative privilege which may result in obtaining the sensitive information on the server via unspecified vectors.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.079 (94.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 94.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.079 · newest: 0.079 · change: 0.000
Affected products
- Acmailer
- Acmailer Db
- Seeds Co.,ltd. Acmailer And Db — versions acmailer ver. 4.0.1 and earlier, and acmailer DB ver. 1.1.3 and earlier
Public proof-of-concept exploits
References
- www.acmailer.jp/info/de.cgi (Vendor Advisory)
- jvn.jp/en/jp/JVN35906450/index.html (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-20617?
- CVE-2021-20617 is a critical-severity vulnerability in Acmailer. CVSS score: 9.8/10. Published 2021-01-14.
- How severe is CVE-2021-20617?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2021-20617 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.