CVE & CISA-KEV Catalog

CVE-2021-28963

MEDIUM
5.3
CVSS v3
NVD

Description

Shibboleth Service Provider before 3.2.1 allows content injection because template generation uses attacker-controlled parameters.

CWE-74Injection

How to fix

Remediation Available
shibboleth-spDebian
Fixed in:3.2.1+dfsg1-1CVE-2021-28963
Fixed in:3.2.1+dfsg1-1CVE-2021-28963
Fixed in:3.2.1+dfsg1-1CVE-2021-28963
Fixed in:3.2.1+dfsg1-1CVE-2021-28963
libapache2-mod-shibUbuntu
Fixed in:3.0.4+dfsg1-1ubuntu0.1USN-4925-1
libshibsp-pluginsUbuntu
Fixed in:3.0.4+dfsg1-1ubuntu0.1USN-4925-1
libshibsp8Ubuntu
Fixed in:3.0.4+dfsg1-1ubuntu0.1USN-4925-1
shibboleth-spUbuntu
Fixed in:3.0.4+dfsg1-1ubuntu0.1USN-4925-1
shibboleth-sp-commonUbuntu
Fixed in:3.0.4+dfsg1-1ubuntu0.1USN-4925-1
shibboleth-sp-utilsUbuntu
Fixed in:3.0.4+dfsg1-1ubuntu0.1USN-4925-1

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
IntegrityLow
AvailabilityNone

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

Exploit Intelligence

1.29%probability of exploitation in 30 days
67thpercentile

Moderate risk: more likely to be exploited than 67% of all known CVEs.

References

Vendor Advisory1
Third-Party Advisory2
Other references1

Related Vulnerabilities

Other CWE-74 (Injection) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2013-2251Critical9.8100%KEVFix
CVE-2023-22527Critical9.8100%KEV + RansomFix
CVE-2019-2725Critical9.8100%KEV + RansomFix
CVE-2022-46169Critical9.8100%KEVFix
CVE-2022-35914Critical9.8100%KEV-
CVE-2019-17558High7.599%KEVFix
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Markdown

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HTML

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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 2024-11-21.