Is CVE-2011-1755 in the CISA KEV catalog?

No. CVE-2011-1755 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2011-1755?

CVE-2011-1755 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2011-1755?

CVE-2011-1755 has an EPSS score of 3.66% (88th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2011-1755?

Upgrade jabberd2 on debian 11 to 2.2.8-2.1 or later.

CVE & CISA-KEV Catalog

CVE-2011-1755

HIGHEPSS 88th pctl

7.5

CVSS v3

NVD

Description

jabberd2 before 2.2.14 does not properly detect recursion during entity expansion, which allows remote attackers to cause a denial of service (memory and CPU consumption) via a crafted XML document containing a large number of nested entity references, a similar issue to CVE-2003-1564.

CWE-776

How to fix

Remediation Available

jabberd2Debian

Fixed in:2.2.8-2.1CVE-2011-1755

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

3.66%probability of exploitation in 30 days

88thpercentile

Elevated risk: more likely to be exploited than 88% of all known CVEs.

References

Patch1

bugzilla.redhat.com

Vendor Advisory1

secunia.com

Third-Party Advisory3

Mailing List4

Release Notes1

mail-archive.com

Other references6

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.