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01 Record

CVE-2018-7340

Multiple SAML libraries may allow authentication bypass via incorrect XML canonicalization and DOM traversal

HighPUBLISHEDCNA: duo
CNA base score7.7 CVSS v3.xCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

02 Description

Multiple SAML libraries may allow authentication bypass via incorrect XML canonicalization and DOM traversal

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.94% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 60.6% of scored records. A rank, not a probability.
NVD base score
7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2019-04-17 14:01Z7 YR AGO
Last updated
2024-08-05 06:24Z2 YR AGO
Reserved
2018-02-22
Assigning CNA
duo
Record state
PUBLISHED
Severity
High (CVSS 7.7)
CNA CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Weaknesses
  • CWE-287Improper AuthenticationClass
  • CWE-347Improper Verification of Cryptographic SignatureBase
Data version
5.1
Document digest
00973b9cf98e77fb486b8528b12151b8955427569792fd198f9b7e6b942af540

05 Affected products

VendorProductVersionsPlatforms
Duo SecurityDuo Network Gateway< 1.2.9—

06 References