Security readout for executives and security teams
Plain-English summary
CVE-2021-45475 is an unauthenticated information disclosure issue in Yordam Library Information Document Automation Program before version 19.02. An attacker on the network could obtain limited confidential information without logging in. The available sources rate it medium severity and do not show confirmed active exploitation.
Executive priority
Treat as a focused medium-priority remediation item. Prioritize internet-facing or externally reachable library automation systems, because exploitation requires no login, but expected impact is limited to confidentiality based on available evidence.
Technical view
The CVE describes CWE-200 exposure in Yordam Library Information Document Automation Program versions before 19.02. CVSS 3.1 is 5.3: network exploitable, low complexity, no privileges, no user interaction, unchanged scope, low confidentiality impact, no integrity or availability impact.
Likely exposure
Exposure is likely limited to organizations running Yordam Library Information Document Automation Program, especially internet-accessible deployments below version 19.02. The source bundle provides no CPEs or precise deployment indicators, so confirmation depends on internal asset inventory.
Exploitation context
The record does not indicate CISA KEV listing or active exploitation. The CVSS vector suggests remote unauthenticated access is possible, but the public bundle does not provide exploit details, affected endpoints, or observed attack activity.
Researcher notes
Evidence is sparse. The CVE record provides the core description, CVSS vector, CWE-200 classification, and pre-19.02 version threshold. No CPEs, endpoint details, proof-of-concept status, or confirmed exploitation are included in the provided sources.
Mitigation direction
- Identify all Yordam Library Information Document Automation deployments.
- Upgrade deployments below version 19.02 where vendor guidance supports it.
- Restrict external access until affected systems are remediated.
- Review Turkish government advisory and vendor guidance for current instructions.
Validation and detection
- Verify installed Yordam product versions against the 19.02 threshold.
- Confirm whether any affected deployment is internet-accessible.
- Review application logs for unusual unauthenticated information access patterns.
- Track the cited government advisory for any updated remediation details.
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-200: Information exposure and cloud metadata lookup
Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. 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-2021-45475 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
- 5.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N3.91.4TR-CERTVulnerability scoring details
Base CVSS 3.1 score
5.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://www.usom.gov.tr/bildirim/tr-22-0669CVE reference, TR-CERT · government-resource, broken-link
- https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-22-0669CVE reference, TR-CERT · 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.