How severe is CVE-2011-0063?

CVE-2011-0063 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2011-0063 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 85% (100th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-0063?

CVE-2011-0063 primarily affects Mj2 Majordomo 2. In total, 34 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-0063?

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

When was CVE-2011-0063 published?

CVE-2011-0063 was published on 2011-03-15 and last updated on 2026-06-16.

CVE-2011-0063

CVE-2011-0063 is a medium-severity vulnerability in Mj2 Majordomo 2 with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 85% places it in the 100th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-22.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 85% (100th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Mj2 Majordomo 2
Published: 2011-03-15
Last modified: 2026-06-16

Description

The _list_file_get function in lib/Majordomo.pm in Majordomo 2 20110203 and earlier allows remote attackers to conduct directory traversal attacks and read arbitrary files via a ./.../ sequence in the "extra" parameter to the help command, which causes the regular expression to produce .. (dot dot) sequences. NOTE: this vulnerability is due to an incomplete fix for CVE-2011-0049.

Frequently asked questions

What is CVE-2011-0063?: The _list_file_get function in lib/Majordomo.pm in Majordomo 2 20110203 and earlier allows remote attackers to conduct directory traversal attacks and read arbitrary files via a ./.../ sequence in the "extra" parameter to the help command, which causes the regular expression to produce .. (dot dot) sequences. NOTE: this vulnerability is due to an incomplete fix for CVE-2011-0049.
How severe is CVE-2011-0063?: CVE-2011-0063 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2011-0063 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 85% (100th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-0063?: CVE-2011-0063 primarily affects Mj2 Majordomo 2. In total, 34 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-0063?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-0063 published?: CVE-2011-0063 was published on 2011-03-15 and last updated on 2026-06-16.

References

Affected products (34)

cpe:2.3:a:mj2:majordomo_2:*:*:*:*:*:*:*:*
cpe:2.3:a:mj2:majordomo_2:20110101:*:*:*:*:*:*:*
cpe:2.3:a:mj2:majordomo_2:20110102:*:*:*:*:*:*:*
cpe:2.3:a:mj2:majordomo_2:20110103:*:*:*:*:*:*:*
cpe:2.3:a:mj2:majordomo_2:20110104:*:*:*:*:*:*:*
cpe:2.3:a:mj2:majordomo_2:20110105:*:*:*:*:*:*:*
cpe:2.3:a:mj2:majordomo_2:20110106:*:*:*:*:*:*:*
cpe:2.3:a:mj2:majordomo_2:20110107:*:*:*:*:*:*:*
cpe:2.3:a:mj2:majordomo_2:20110108:*:*:*:*:*:*:*
cpe:2.3:a:mj2:majordomo_2:20110109:*:*:*:*:*:*:*
cpe:2.3:a:mj2:majordomo_2:20110110:*:*:*:*:*:*:*
cpe:2.3:a:mj2:majordomo_2:20110111:*:*:*:*:*:*:*
cpe:2.3:a:mj2:majordomo_2:20110112:*:*:*:*:*:*:*
cpe:2.3:a:mj2:majordomo_2:20110113:*:*:*:*:*:*:*
cpe:2.3:a:mj2:majordomo_2:20110114:*:*:*:*:*:*:*
cpe:2.3:a:mj2:majordomo_2:20110115:*:*:*:*:*:*:*
cpe:2.3:a:mj2:majordomo_2:20110116:*:*:*:*:*:*:*
cpe:2.3:a:mj2:majordomo_2:20110117:*:*:*:*:*:*:*
cpe:2.3:a:mj2:majordomo_2:20110118:*:*:*:*:*:*:*
cpe:2.3:a:mj2:majordomo_2:20110119:*:*:*:*:*:*:*
cpe:2.3:a:mj2:majordomo_2:20110120:*:*:*:*:*:*:*
cpe:2.3:a:mj2:majordomo_2:20110121:*:*:*:*:*:*:*
cpe:2.3:a:mj2:majordomo_2:20110122:*:*:*:*:*:*:*
cpe:2.3:a:mj2:majordomo_2:20110123:*:*:*:*:*:*:*
cpe:2.3:a:mj2:majordomo_2:20110124:*:*:*:*:*:*:*
cpe:2.3:a:mj2:majordomo_2:20110125:*:*:*:*:*:*:*
cpe:2.3:a:mj2:majordomo_2:20110126:*:*:*:*:*:*:*
cpe:2.3:a:mj2:majordomo_2:20110127:*:*:*:*:*:*:*
cpe:2.3:a:mj2:majordomo_2:20110128:*:*:*:*:*:*:*
cpe:2.3:a:mj2:majordomo_2:20110129:*:*:*:*:*:*:*
cpe:2.3:a:mj2:majordomo_2:20110130:*:*:*:*:*:*:*
cpe:2.3:a:mj2:majordomo_2:20110131:*:*:*:*:*:*:*
cpe:2.3:a:mj2:majordomo_2:20110201:*:*:*:*:*:*:*
cpe:2.3:a:mj2:majordomo_2:20110202:*:*:*:*:*:*:*

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