TI-2021-20563 Aliases CVE-2021-45476 GHSA-c4m9-5h6p-hwwg

Information disclosure in Yordam Library Information Document Automation Program

LOW 28CWE-79Published 2022-10-27 · Updated 2026-05-18

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

Yordam Library Information Document Automation product before version 19.02 has an unauthenticated reflected XSS vulnerability.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00437 38th percentileScored 2026-11-07

Fix Fixed Yordam Library Information Document Automation Program (Yordam Informatics Systems): 19.02

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Yordam Informatics Systems	Yordam Library Information Document Automation Program	before 19.02	19.02	Patch available	CNA

Yordam Library Information Document Automation Program VendorYordam Informatics Systems Affected before 19.02 Fixed in 19.02 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:yordam:library_automation_system::::::::	before 19.02	Vulnerable	Yordam Information Technologies

cpe:2.3:a:yordam:library_automation_system:*:*:*:*:*:*:*:* Versions before 19.02 Vulnerable ·Yordam Information Technologies

Remediation

Fix · CNA Yordam Library Information Document Automation Program (Yordam Informatics Systems) Fixed in 19.02

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Release · 2022-10-27
Yordam Library Information Document Automation Program 19.02
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2021-20562 Information disclosure in Yordam Library Information Document Automation ProgramPriority LOW 34
Show all 2 records →

Timeline

2026-10-02 Threatist record created from CVE-2021-45476
2026-10-03 Alias added: GHSA-c4m9-5h6p-hwwg

References

Advisory 1

https://www.usom.gov.tr/bildirim/tr-22-0669

Other 1

https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-22-0669

TI-2021-20562 Information disclosure in Yordam Library Information Document Automation Program CVSS 3.1HIGH 7.5
TI-2021-20565 IDOR in Yordam Library Automation System CVSS 3.1MEDIUM 6.5
TI-2021-20564 IDOR in Yordam Library Automation System CVSS 3.1MEDIUM 6.5
TI-2022-02091 Reflected XSS University Library Automation System CVSS 3.1MEDIUM 6.1
TI-2025-01114 Reflected XSS in Yordam Informatics' Library Automation System CVSS 3.1MEDIUM 6.1
TI-2021-20566 XSS in Yordam Library Automation System CVSS 3.1MEDIUM 5.4

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences