CVE-2020-2253 — MEDIUM (4.8)

Q: What is CVE-2020-2253?

CVE-2020-2253 is a vulnerability with a CVSS score of 4.8 (MEDIUM). Jenkins Email Extension Plugin 2.75 and earlier does not perform hostname validation when connecting to the configured SMTP server.

Q: How severe is CVE-2020-2253?

CVE-2020-2253 has been rated MEDIUM with a CVSS base score of 4.8/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2020-2253?

Check the references section above for vendor advisories and patch information. Affected products include: Jenkins Email Extension.

Vulnerability Description

Jenkins Email Extension Plugin 2.75 and earlier does not perform hostname validation when connecting to the configured SMTP server.

CVSS Score

4.8

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Jenkins	Email Extension	<= 2.75

Related Weaknesses (CWE)

CWE-295

References

http://www.openwall.com/lists/oss-security/2020/09/16/3Third Party Advisory
https://www.jenkins.io/security/advisory/2020-09-16/#SECURITY-1851Vendor Advisory
http://www.openwall.com/lists/oss-security/2020/09/16/3Third Party Advisory
https://www.jenkins.io/security/advisory/2020-09-16/#SECURITY-1851Vendor Advisory

FAQ

What is CVE-2020-2253?

CVE-2020-2253 is a vulnerability with a CVSS score of 4.8 (MEDIUM). Jenkins Email Extension Plugin 2.75 and earlier does not perform hostname validation when connecting to the configured SMTP server.

How severe is CVE-2020-2253?

CVE-2020-2253 has been rated MEDIUM with a CVSS base score of 4.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-2253?

Check the references section above for vendor advisories and patch information. Affected products include: Jenkins Email Extension.