Vulnerability Details : CVE-2019-19271
An issue was discovered in tls_verify_crl in ProFTPD before 1.3.6. A wrong iteration variable, used when checking a client certificate against CRL entries (installed by a system administrator), can cause some CRL entries to be ignored, and can allow clients whose certificates have been revoked to proceed with a connection to the server.
Products affected by CVE-2019-19271
- cpe:2.3:a:proftpd:proftpd:*:*:*:*:*:*:*:*
Threat overview for CVE-2019-19271
Top countries where our scanners detected CVE-2019-19271
Top open port discovered on systems with this issue
21
IPs affected by CVE-2019-19271 416,667
Threat actors abusing to this issue?
Yes
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Exploit prediction scoring system (EPSS) score for CVE-2019-19271
0.08%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 35 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-19271
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:P/A:N |
10.0
|
2.9
|
NIST | |
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2019-19271
-
The product does not validate, or incorrectly validates, a certificate.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-19271
-
https://github.com/proftpd/proftpd/issues/860
Improper TLS CRL handling 2/2 in mod_tls of ProFTPD < 1.3.6 · Issue #860 · proftpd/proftpd · GitHubPatch;Third Party Advisory
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