How severe is CVE-2015-0277?

CVE-2015-0277 has a CVSS 2.0 base score of 6.0, rated medium severity.

Is CVE-2015-0277 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-0277?

CVE-2015-0277 affects Picketlink. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-0277?

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

When was CVE-2015-0277 published?

CVE-2015-0277 was published on 2015-08-17 and last updated on 2026-06-17.

CVE-2015-0277

CVE-2015-0277 is a medium-severity vulnerability in Picketlink with a CVSS 2.0 base score of 6.0. 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-284.

Key facts

Severity: Medium (CVSS 2.0 base score 6.0)
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Picketlink
Published: 2015-08-17
Last modified: 2026-06-17

Description

The Service Provider (SP) in PicketLink before 2.7.0 does not ensure that it is a member of an Audience element when an AudienceRestriction is specified, which allows remote attackers to log in to other users' accounts via a crafted SAML assertion. NOTE: this identifier has been SPLIT per ADT2 due to different vulnerability types. See CVE-2015-6254 for lack of validation for the Destination attribute in a Response element in a SAML assertion.

Frequently asked questions

What is CVE-2015-0277?: The Service Provider (SP) in PicketLink before 2.7.0 does not ensure that it is a member of an Audience element when an AudienceRestriction is specified, which allows remote attackers to log in to other users' accounts via a crafted SAML assertion. NOTE: this identifier has been SPLIT per ADT2 due to different vulnerability types. See CVE-2015-6254 for lack of validation for the Destination attribute in a Response element in a SAML assertion.
How severe is CVE-2015-0277?: CVE-2015-0277 has a CVSS 2.0 base score of 6.0, rated medium severity.
Is CVE-2015-0277 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-0277?: CVE-2015-0277 affects Picketlink. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-0277?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-0277 published?: CVE-2015-0277 was published on 2015-08-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:picketlink:picketlink:*:cr5:*:*:*:*:*:*

More vulnerabilities in Picketlink

CVE-2015-6254 — Medium (CVSS 6.0): The (1) Service Provider (SP) and (2) Identity Provider (IdP) in PicketLink before 2.7.0 does not ensure that the…
CVE-2015-3158 — Medium (CVSS 4.0): The invokeNextValve function in identity/federation/bindings/tomcat/idp/AbstractIDPValve.java in PicketLink before…

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