Security readout for executives and security teams
This issue affects Apache environments using mod_ruid2 for user isolation. Older versions mishandled file descriptors, letting a remote attacker use CGI behavior to bypass chroot isolation. The business concern is tenant or site isolation failure on exposed shared-hosting style systems. Exposure is most likely on Apache servers running libapache2-mod-ruid2 with CGI enabled and chroot-based isolation. Shared hosting, multi-tenant web servers, or legacy Debian-packaged deployments are the most relevant environments to check. Treat this as a legacy shared-hosting isolation risk. Prioritize systems where untrusted users or sites can run CGI on internet-facing Apache servers. If mod_ruid2 is absent, exposure is unlikely. Mitigation focus: Inventory Apache systems using libapache2-mod-ruid2 or mod_ruid2.; Upgrade to a vendor-fixed mod_ruid2 package; sources identify versions before 0.9.8 as vulnerable.; Review Debian or upstream guidance for supported package status..
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.
CVE-2013-1889 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://security-tracker.debian.org/tracker/CVE-2013-1889CVE reference · x_refsource_MISC
- https://exchange.xforce.ibmcloud.com/vulnerabilities/83035CVE reference · x_refsource_MISC
- https://sourceforge.net/p/mod-ruid/mailman/mod-ruid-announce/thread/514C503E.4020109%40users.sourceforge.net/CVE reference · x_refsource_CONFIRM
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.