Vulnerability Monitor

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CVE-2021-42770

A Cross-site scripting (XSS) vulnerability was discovered in OPNsense before 21.7.4 via the LDAP attribute return in the authentication tester.

Published

2021-11-08T16:15:07.547

Last Modified

2024-11-21T06:28:08.253

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.1 (MEDIUM)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

8.6

Impact Score

2.9

Weaknesses

Type: Primary
CWE-79

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	opnsense	opnsense	≤ 19.7.0	Yes
Application	opnsense	opnsense	< 21.7.4	Yes

References

https://cert.orange.com Third Party Advisory ([email protected])
https://github.com/orangecertcc/security-research/security/advisories/GHSA-r32j-xgg3-w2rw Exploit, Third Party Advisory ([email protected])
https://opnsense.org/opnsense-21-7-4-released/ Release Notes, Vendor Advisory ([email protected])
https://cert.orange.com Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/orangecertcc/security-research/security/advisories/GHSA-r32j-xgg3-w2rw Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://opnsense.org/opnsense-21-7-4-released/ Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)