Security readout for executives and security teams
Plain-English summary
Open Build Service could expose source files to remote authenticated users even when source access was disabled. The business impact is confidentiality loss, such as leakage of proprietary or embargoed source. The CVE is medium severity and does not indicate data modification, service outage, or unauthenticated access.
Executive priority
Handle as a targeted confidentiality issue. Prioritize remediation if OBS stored proprietary, customer, embargoed, or regulated source code, especially on externally reachable systems.
Technical view
CVE-2011-4181 is an authorization flaw in SUSE/openSUSE Open Build Service. A remote attacker with low privileges could access source files despite disabled source access. Affected releases are OBS up to 2.1.15 in the 2.1 branch and releases before 2.3.
Likely exposure
Exposure is likely limited to organizations running affected Open Build Service instances with source access controls relied on for confidentiality. Publicly reachable or partner-accessible OBS deployments raise the concern.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. CVSS indicates network access, low complexity, and low privileges, with confidentiality impact only.
Researcher notes
Evidence points to CWE-284 improper access control. The bundle names affected version ranges and a confirming commit, but does not provide exploit details, operational mitigations, or active exploitation evidence.
Mitigation direction
- Inventory Open Build Service versions and identify releases before 2.3 or 2.1.15 and earlier.
- Check SUSE/openSUSE guidance and the linked fixing commit before applying remediation.
- Upgrade away from affected OBS releases when vendor guidance confirms the fixed target version.
- Review source-access settings and avoid relying on disabled source access in affected releases.
Validation and detection
- Confirm the installed Open Build Service version on each deployment.
- Review access logs for unexpected source-file retrieval by low-privilege accounts.
- Verify source access restrictions after remediation using authorized administrative testing.
- Check whether sensitive or proprietary sources were hosted during exposure windows.
Public sources used
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-284: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. 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-2011-4181 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
- Medium
- CVSS
- 4.3 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
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 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:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N2.81.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
4.3MediumVector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/openSUSE/open-build-service/commit/5281e4bff9df31f1f91e22a0d1e9086b93b23d7eCVE reference · x_refsource_CONFIRM
- https://bugzilla.suse.com/show_bug.cgi?id=734003CVE 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.
Improper Access Control
Improper Access Control represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.