How severe is CVE-2012-3301?

CVE-2012-3301 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2012-3301 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-3301?

CVE-2012-3301 primarily affects Ibm Lotus Domino. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-3301?

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

When was CVE-2012-3301 published?

CVE-2012-3301 was published on 2012-08-21 and last updated on 2026-06-16.

CVE-2012-3301

CVE-2012-3301 is a medium-severity vulnerability in Ibm Lotus Domino with a CVSS 2.0 base score of 4.3. 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-20.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Ibm Lotus Domino
Published: 2012-08-21
Last modified: 2026-06-16

Description

Multiple CRLF injection vulnerabilities in the HTTP server in IBM Lotus Domino 8.5.x before 8.5.4 allow remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via crafted input involving (1) Mozilla Firefox 3.0.9 and earlier or (2) unspecified browsers.

Frequently asked questions

What is CVE-2012-3301?: Multiple CRLF injection vulnerabilities in the HTTP server in IBM Lotus Domino 8.5.x before 8.5.4 allow remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via crafted input involving (1) Mozilla Firefox 3.0.9 and earlier or (2) unspecified browsers.
How severe is CVE-2012-3301?: CVE-2012-3301 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2012-3301 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-3301?: CVE-2012-3301 primarily affects Ibm Lotus Domino. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-3301?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-3301 published?: CVE-2012-3301 was published on 2012-08-21 and last updated on 2026-06-16.

References

Affected products (15)

cpe:2.3:a:ibm:lotus_domino:8.5.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_domino:8.5.0.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_domino:8.5.1.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_domino:8.5.1.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_domino:8.5.1.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_domino:8.5.1.4:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_domino:8.5.1.5:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_domino:8.5.2.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_domino:8.5.2.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_domino:8.5.2.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_domino:8.5.2.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_domino:8.5.2.4:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_domino:8.5.3.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_domino:8.5.3.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:lotus_domino:8.5.3.2:*:*:*:*:*:*:*

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