Security readout for executives and security teams
This Mozilla PDF reader flaw let a malicious web page bypass browser origin protections and read local files or gain privileges. It affected older Firefox, Firefox ESR, and Firefox OS releases. Because it was exploited in the wild and is listed in CISA KEV, any remaining legacy installs should be treated as urgent cleanup. Exposure is most likely in unmanaged endpoints, embedded kiosk environments, old Linux packages, or archived virtual machines still running vulnerable Firefox, ESR, or Firefox OS versions. Modern supported Firefox versions are not indicated as affected by the provided sources. Prioritize remediation where legacy Firefox remains in business workflows. The issue is old, but known exploitation and potential local file disclosure make it material for unmanaged or forgotten assets. Mitigation focus: Upgrade Firefox to 39.0.3 or later and Firefox ESR to 38.1.1 or later.; Upgrade Firefox OS to 2.2 or later where applicable.; Apply OS vendor browser package updates from Red Hat, Ubuntu, SUSE, Gentoo, or Oracle guidance..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-346: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2015-4495 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.8 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CISA KEV status
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://bugzilla.mozilla.org/show_bug.cgi?id=1179262CVE reference · x_refsource_CONFIRM
- 37772CVE reference · exploit, x_refsource_EXPLOIT-DB
- GLSA-201512-10CVE reference · vendor-advisory, x_refsource_GENTOO
- https://bugzilla.mozilla.org/show_bug.cgi?id=1178058CVE reference · x_refsource_CONFIRM
- https://blog.mozilla.org/security/2015/08/06/firefox-exploit-found-in-the-wild/CVE reference · x_refsource_CONFIRM
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-4495CVE reference · government-resource
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Origin Validation Error
Origin Validation Error represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.