CVE-2015-7263
CVE-2015-7263 is a high-severity vulnerability in Proxygen Project Proxygen with a CVSS 3.x base score of 7.5. 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: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 1% (66th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-284
- Affected product: Proxygen Project Proxygen
- Published:
- Last modified:
Description
The SPDY/2 codec in Facebook Proxygen before 2015-11-09 allows remote attackers to conduct hijacking attacks and bypass ACL checks via a crafted host value.
Frequently asked questions
- What is CVE-2015-7263?
- The SPDY/2 codec in Facebook Proxygen before 2015-11-09 allows remote attackers to conduct hijacking attacks and bypass ACL checks via a crafted host value.
- How severe is CVE-2015-7263?
- CVE-2015-7263 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
- Is CVE-2015-7263 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2015-7263?
- CVE-2015-7263 affects Proxygen Project Proxygen. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2015-7263?
- 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-2015-7263 published?
- CVE-2015-7263 was published on 2017-04-10 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:proxygen_project:proxygen:*:*:*:*:*:*:*:*
More vulnerabilities in Proxygen Project Proxygen
- CVE-2015-7264 — Critical (CVSS 9.8): The SPDY/2 codec in Facebook Proxygen before 2015-11-09 truncates a certain field to two bytes, which allows hijacking…
- CVE-2018-6347 — High (CVSS 7.5): An issue in the Proxygen handling of HTTP2 parsing of headers/trailers can lead to a denial-of-service attack. This…
- CVE-2018-6346 — High (CVSS 7.5): A potential denial-of-service issue in the Proxygen handling of invalid HTTP2 priority settings (specifically a…
- CVE-2015-7265 — High (CVSS 7.5): Facebook Proxygen before 2015-11-09 mismanages HTTPMessage.request state, which allows remote attackers to conduct…
All CVEs affecting Proxygen Project Proxygen →
Other CWE-284 (Improper Access Control) vulnerabilities
- CVE-2026-50746 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Access Control vulnerability found in UniFi…
- CVE-2026-46978 — Critical (CVSS 10.0): Vulnerability in the Oracle Solaris product of Oracle Systems (component: Remote Administration Daemon). The…
- CVE-2026-35308 — Critical (CVSS 10.0): Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Centralized Third Party Jars).…
- CVE-2026-35307 — Critical (CVSS 10.0): Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Core). Supported versions that…
- CVE-2026-46695 — Critical (CVSS 10.0): Boxlite is a sandbox service that allows users to create lightweight virtual machines (Boxes) and launch OCI containers…
- CVE-2026-46840 — Critical (CVSS 10.0): Vulnerability in Oracle REST Data Services (component: Backend-as-a-Service). Supported versions that are affected are…
Browse all CWE-284 (Improper Access Control) vulnerabilities →