CVE-2018-20857 — HIGH (7.5)

Q: What is CVE-2018-20857?

CVE-2018-20857 is a vulnerability with a CVSS score of 7.5 (HIGH). Zendesk Samlr before 2.6.2 allows an XML nodes comment attack such as a name_id node with user@example.com followed by . and then the attacker's domain name.

Vulnerability Description

Zendesk Samlr before 2.6.2 allows an XML nodes comment attack such as a name_id node with [email protected] followed by . and then the attacker's domain name.

CVSS Score

7.5

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Zendesk	Samlr	< 2.6.2

Related Weaknesses (CWE)

CWE-20

References

https://github.com/zendesk/samlr/compare/v2.6.1...v2.6.2PatchThird Party Advisory
https://github.com/zendesk/samlr/compare/v2.6.1...v2.6.2PatchThird Party Advisory

FAQ

What is CVE-2018-20857?

CVE-2018-20857 is a vulnerability with a CVSS score of 7.5 (HIGH). Zendesk Samlr before 2.6.2 allows an XML nodes comment attack such as a name_id node with [email protected] followed by . and then the attacker's domain name.

How severe is CVE-2018-20857?

CVE-2018-20857 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-20857?

Check the references section above for vendor advisories and patch information. Affected products include: Zendesk Samlr.