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cveTenableCVE-2021-20111
HistoryJul 30, 2021 - 2:15 p.m.

CVE-2021-20111

2021-07-3014:15:14
CWE-79
tenable
web.nvd.nist.gov
38
2
security
vulnerability
cross-site scripting
tcexam
file upload
nvd
cve-2021-20111

CVSS2

3.5

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:S/C:N/I:P/A:N

CVSS3

5.4

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

EPSS

0.001

Percentile

24.8%

A stored cross-site scripting vulnerability exists in TCExam <= 14.8.1. Valid files uploaded via tce_filemanager.php with a filename beggining with a period will be rendered as text/html. An attacker with access to tce_filemanager.php could upload a malicious javascript payload which would be triggered when another user views the file.

Affected configurations

Nvd
Node
tecnicktcexamRange14.8.1
VendorProductVersionCPE
tecnicktcexam*cpe:2.3:a:tecnick:tcexam:*:*:*:*:*:*:*:*

CNA Affected

[
  {
    "product": "TCExam",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "14.8.1"
      }
    ]
  }
]

Social References

More

CVSS2

3.5

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:S/C:N/I:P/A:N

CVSS3

5.4

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

EPSS

0.001

Percentile

24.8%

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