How severe is CVE-2015-5263?

CVE-2015-5263 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2015-5263 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-5263?

CVE-2015-5263 primarily affects Pulpproject Pulp. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-5263?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2015-5263 published?

CVE-2015-5263 was published on 2017-09-25 and last updated on 2026-06-17.

CVE-2015-5263

CVE-2015-5263 is a high-severity vulnerability in Pulpproject Pulp with a CVSS 3.x base score of 8.1. 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-295.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 6.8
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-295
Affected product: Pulpproject Pulp
Published: 2017-09-25
Last modified: 2026-06-17

Description

pulp-consumer-client 2.4.0 through 2.6.3 does not check the server's TLS certificate signatures when retrieving the server's public key upon registration.

Frequently asked questions

What is CVE-2015-5263?: pulp-consumer-client 2.4.0 through 2.6.3 does not check the server's TLS certificate signatures when retrieving the server's public key upon registration.
How severe is CVE-2015-5263?: CVE-2015-5263 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2015-5263 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-5263?: CVE-2015-5263 primarily affects Pulpproject Pulp. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-5263?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2015-5263 published?: CVE-2015-5263 was published on 2017-09-25 and last updated on 2026-06-17.

References

Affected products (13)

cpe:2.3:a:pulpproject:pulp:2.4.0:*:*:*:*:*:*:*
cpe:2.3:a:pulpproject:pulp:2.4.1:*:*:*:*:*:*:*
cpe:2.3:a:pulpproject:pulp:2.4.2:*:*:*:*:*:*:*
cpe:2.3:a:pulpproject:pulp:2.4.3:*:*:*:*:*:*:*
cpe:2.3:a:pulpproject:pulp:2.4.4:*:*:*:*:*:*:*
cpe:2.3:a:pulpproject:pulp:2.5.0:*:*:*:*:*:*:*
cpe:2.3:a:pulpproject:pulp:2.5.1:*:*:*:*:*:*:*
cpe:2.3:a:pulpproject:pulp:2.5.2:*:*:*:*:*:*:*
cpe:2.3:a:pulpproject:pulp:2.5.3:*:*:*:*:*:*:*
cpe:2.3:a:pulpproject:pulp:2.6.0:*:*:*:*:*:*:*
cpe:2.3:a:pulpproject:pulp:2.6.1:*:*:*:*:*:*:*
cpe:2.3:a:pulpproject:pulp:2.6.2:*:*:*:*:*:*:*
cpe:2.3:a:pulpproject:pulp:2.6.3:*:*:*:*:*:*:*

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CVE-2016-3112 — High (CVSS 7.5): client/consumer/cli.py in Pulp before 2.8.3 writes consumer private keys to etc/pki/pulp/consumer/consumer-cert.pem as…
CVE-2013-7450 — High (CVSS 7.5): Pulp before 2.3.0 uses the same the same certificate authority key and certificate for all installations.
CVE-2016-3108 — High (CVSS 7.1): The pulp-gen-nodes-certificate script in Pulp before 2.8.3 allows local users to leak the keys or write to arbitrary…
CVE-2018-10917 — Medium (CVSS 6.8): pulp 2.16.x and possibly older is vulnerable to an improper path parsing. A malicious user or a malicious iso feed…

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