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HCLCVELIST:CVE-2021-27777

HistoryMay 12, 2022 - 9:25 p.m.

CVE-2021-27777 HCL Unica Platform is vulnerable to XML External Entity (XXE) injection

2022-05-1221:25:31

CWE-91

HCL

www.cve.org

cve-2021-27777

hcl unica platform

xml external entity injection

xml parsers

user supplied input

validation

malicious entity references

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

AI Score

Confidence

High

EPSS

0.001

Percentile

31.8%

JSON

XML External Entity (XXE) injection vulnerabilities occur when poorly configured XML parsers process user supplied input without sufficient validation. Attackers can exploit this vulnerability to manipulate XML content and inject malicious external entity references.

CNA Affected

[
  {
    "product": "HCL Unica",
    "vendor": "HCL Software",
    "versions": [
      {
        "status": "affected",
        "version": "12 and below"
      }
    ]
  }
]

References

support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0097124

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

AI Score

Confidence

High

EPSS

0.001

Percentile

31.8%

JSON

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