CVE-2015-0277: The Service Provider (SP) in PicketLink before 2.7.0 does not ensure that it is a member of an Audience elemen

Q: How do I fix CVE-2015-0277?

picketlink: upgrade to newer than 2.6.0. Exact commands for each OS are on this page.

Q: Is CVE-2015-0277 being exploited?

CVE-2015-0277 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2015-0277 affect?

CVE-2015-0277 affects picketlink. Severity is medium (CVSS 6.0). 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 as

Q: How urgent is CVE-2015-0277?

Priority 41/100. No elevated risk signals yet.

This month

MEDIUM 6.0UPGRADE

CVE-2015-0277 is a medium-severity flaw (CVSS 6.0) affecting picketlink. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.0 (Medium)
EPSS exploit chance	2.0% (top 20%)
CISA exploited list	No
Weakness	CWE-284
Published	2015-08-17
Last modified	2026-06-17

Publisher (CNA): Red Hat, Inc. · Vendor: picketlink

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2015-08-17 20:59 UTCPublished CVE record published
2026-06-17 00:19 UTCUpdated Record last modified

picketlink picketlink UPGRADE

Affected: <= 2.6.0

Fixed in: newer than 2.6.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy picketlink || rpm -q picketlink || picketlink --version

2. UPGRADE to newer than 2.6.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade picketlink

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade picketlink

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2015-0277?

picketlink: upgrade to newer than 2.6.0. Exact commands for each OS are on this page.

Is CVE-2015-0277 being exploited?

CVE-2015-0277 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2015-0277 affect?

CVE-2015-0277 affects picketlink. Severity is medium (CVSS 6.0). 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 as

How urgent is CVE-2015-0277?

Priority 41/100. No elevated risk signals yet.

Related CVEs

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

References

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