How severe is CVE-2011-4069?

CVE-2011-4069 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2011-4069 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-4069?

CVE-2011-4069 affects Packetfence. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2011-4069?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2011-4069 published?

CVE-2011-4069 was published on 2018-02-01 and last updated on 2026-06-16.

CVE-2011-4069

CVE-2011-4069 is a critical-severity vulnerability in Packetfence with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-90.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-90
Affected product: Packetfence
Published: 2018-02-01
Last modified: 2026-06-16

Description

html/admin/login.php in PacketFence before 3.0.2 allows remote attackers to conduct LDAP injection attacks and consequently bypass authentication via a crafted username.

Frequently asked questions

What is CVE-2011-4069?: html/admin/login.php in PacketFence before 3.0.2 allows remote attackers to conduct LDAP injection attacks and consequently bypass authentication via a crafted username.
How severe is CVE-2011-4069?: CVE-2011-4069 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2011-4069 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-4069?: CVE-2011-4069 affects Packetfence. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2011-4069?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2011-4069 published?: CVE-2011-4069 was published on 2018-02-01 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:packetfence:packetfence:*:*:*:*:*:*:*:*

More vulnerabilities in Packetfence

CVE-2011-4068 — Critical (CVSS 9.8): The check_password function in html/admin/login.php in PacketFence before 3.0.2 allows remote attackers to bypass…
CVE-2012-4742 — High (CVSS 7.5): The web_node_register function in web.pm in PacketFence before 3.0.2 might allow remote attackers to execute arbitrary…
CVE-2012-4741 — Medium (CVSS 5.0): The RADIUS extension in PacketFence before 3.3.0 uses a different user name than is used for authentication for users…
CVE-2012-4740 — Medium (CVSS 4.3): Cross-site scripting (XSS) vulnerability in the captive portal in PacketFence before 3.3.0 allows remote attackers to…

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CVE-2024-33868 — Critical (CVSS 9.8): An issue was discovered in linqi before 1.4.0.1 on Windows. There is LDAP injection.
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CVE-2017-8790 — Critical (CVSS 9.8): An issue was discovered on Accellion FTA devices before FTA_9_12_180. The home/seos/courier/ldaptest.html POST…

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