How severe is CVE-2011-2770?

CVE-2011-2770 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2011-2770 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-2770?

CVE-2011-2770 affects Robert Luberda Man2html. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2011-2770?

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

When was CVE-2011-2770 published?

CVE-2011-2770 was published on 2011-11-17 and last updated on 2026-06-16.

CVE-2011-2770

CVE-2011-2770 is a medium-severity vulnerability in Robert Luberda Man2html 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-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Robert Luberda Man2html
Published: 2011-11-17
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in man2html.cgi.c in man2html 1.6, and possibly other version, allows remote attackers to inject arbitrary web script or HTML via unspecified vectors related to error messages.

Frequently asked questions

What is CVE-2011-2770?: Cross-site scripting (XSS) vulnerability in man2html.cgi.c in man2html 1.6, and possibly other version, allows remote attackers to inject arbitrary web script or HTML via unspecified vectors related to error messages.
How severe is CVE-2011-2770?: CVE-2011-2770 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2011-2770 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-2770?: CVE-2011-2770 affects Robert Luberda Man2html. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2011-2770?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-2770 published?: CVE-2011-2770 was published on 2011-11-17 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:robert_luberda:man2html:1.6:*:*:*:*:*:*:*

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