How severe is CVE-2009-4111?

CVE-2009-4111 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2009-4111 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-4111?

CVE-2009-4111 primarily affects Pear Mail. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-4111?

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

When was CVE-2009-4111 published?

CVE-2009-4111 was published on 2009-11-29 and last updated on 2026-06-16.

CVE-2009-4111

CVE-2009-4111 is a medium-severity vulnerability in Pear Mail with a CVSS 2.0 base score of 6.8. 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-94.

Key facts

Severity: Medium (CVSS 2.0 base score 6.8)
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Pear Mail
Published: 2009-11-29
Last modified: 2026-06-16

Description

Argument injection vulnerability in Mail/sendmail.php in the Mail package 1.1.14, 1.2.0b2, and possibly other versions for PEAR allows remote attackers to read and write arbitrary files via a crafted $recipients parameter, and possibly other parameters, a different vulnerability than CVE-2009-4023.

Frequently asked questions

What is CVE-2009-4111?: Argument injection vulnerability in Mail/sendmail.php in the Mail package 1.1.14, 1.2.0b2, and possibly other versions for PEAR allows remote attackers to read and write arbitrary files via a crafted $recipients parameter, and possibly other parameters, a different vulnerability than CVE-2009-4023.
How severe is CVE-2009-4111?: CVE-2009-4111 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2009-4111 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-4111?: CVE-2009-4111 primarily affects Pear Mail. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-4111?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-4111 published?: CVE-2009-4111 was published on 2009-11-29 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:pear:mail:1.1.14:*:*:*:*:*:*:*
cpe:2.3:a:pear:mail:1.2.0b2:*:*:*:*:*:*:*

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