How severe is CVE-2012-1104?

CVE-2012-1104 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2012-1104 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-1104?

CVE-2012-1104 primarily affects Apereo Phpcas. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-1104?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2012-1104 published?

CVE-2012-1104 was published on 2019-12-05 and last updated on 2026-06-16.

CVE-2012-1104

CVE-2012-1104 is a medium-severity vulnerability in Apereo Phpcas with a CVSS 3.x base score of 5.3. 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-269.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-269
Affected product: Apereo Phpcas
Published: 2019-12-05
Last modified: 2026-06-16

Description

A Security Bypass vulnerability exists in the phpCAS 1.2.2 library from the jasig project due to the way proxying of services are managed.

Frequently asked questions

What is CVE-2012-1104?: A Security Bypass vulnerability exists in the phpCAS 1.2.2 library from the jasig project due to the way proxying of services are managed.
How severe is CVE-2012-1104?: CVE-2012-1104 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2012-1104 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-1104?: CVE-2012-1104 primarily affects Apereo Phpcas. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-1104?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-1104 published?: CVE-2012-1104 was published on 2019-12-05 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:apereo:phpcas:1.2.2:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

More vulnerabilities in Apereo Phpcas

CVE-2014-4172 — Critical (CVSS 9.8): A URL parameter injection vulnerability was found in the back-channel ticket validation step of the CAS protocol in…
CVE-2017-1000071 — High (CVSS 8.1): Jasig phpCAS version 1.3.4 is vulnerable to an authentication bypass in the validateCAS20 function when configured to…
CVE-2022-39369 — High (CVSS 8.0): phpCAS is an authentication library that allows PHP applications to easily authenticate users via a Central…
CVE-2010-3692 — Medium (CVSS 6.4): Directory traversal vulnerability in the callback function in client.php in phpCAS before 1.1.3, when proxy mode is…
CVE-2012-5583 — Medium (CVSS 5.8): phpCAS before 1.3.2 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or…
CVE-2012-1105 — Medium (CVSS 5.5): An Information Disclosure vulnerability exists in the Jasig Project php-pear-CAS 1.2.2 package in the /tmp directory.…

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