CVE-2021-45477

MEDIUMNVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

Score 6.5 from GitHub Security Advisory published 2023-03-02. NVD baseline CVSS 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
6.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 6.5Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Improper Handling of Parameters vulnerability in Bordam Information Technologies Library Automation System allows Collect Data as Provided by Users.

This issue affects Library Automation System: before 19.2.

CVSS v3
6.5
EG Score
6.5(medium)
EPSS
43.8%
KEV
Not listed

Published

March 2, 2023

Last Modified

May 18, 2026

Advisory Details (2)

Auto-updated May 18, 2026
No patch confirmed yet.
generic

T.C. Siber Güvenlik Başkanlığı

https://www.usom.gov.tr/bildirim/tr-23-0119
generic

T.C. Siber Güvenlik Başkanlığı

https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-23-0119

Vendor Advisories for CVE-2021-45477(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 11× in last 7d / 48× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 121 total refreshes for this CVE.

  1. 2026-07-11 08:25 UTCEPSS rescore
  2. 2026-07-11 08:25 UTCEPSS rescore
  3. 2026-07-09 19:07 UTCEPSS rescore
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  1. 2026-06-24 14:03 UTCEPSS rescore
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  9. 2026-06-19 19:24 UTCEPSS rescore
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  11. 2026-06-18 17:51 UTCEPSS rescore
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  23. 2026-06-12 23:10 UTCEPSS rescore
  24. 2026-06-11 13:58 UTCEPSS rescore
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  26. 2026-06-10 22:16 UTCEPSS rescore
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  31. 2026-06-07 15:23 UTCEPSS rescore
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  40. 2026-06-02 20:11 UTCEPSS rescore
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  42. 2026-06-01 13:50 UTCEPSS rescore
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  44. 2026-05-31 22:29 UTCEPSS rescore
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  46. 2026-05-31 00:15 UTCEPSS rescore
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  48. 2026-05-29 13:42 UTCEPSS rescore
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  51. 2026-05-27 13:39 UTCEPSS rescore
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  65. 2026-05-22 06:30 UTCEG score recompute
  66. 2026-05-22 06:30 UTCGHSA enrichment
  67. 2026-05-21 22:41 UTCEPSS rescore
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  69. 2026-05-20 22:37 UTCEPSS rescore
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Frequently asked(5)

What is CVE-2021-45477?
CVE-2021-45477 is a medium vulnerability published on March 2, 2023. Improper Handling of Parameters vulnerability in Bordam Information Technologies Library Automation System allows Collect Data as Provided by Users. This issue affects Library Automation System: before 19.2.
When was CVE-2021-45477 disclosed?
CVE-2021-45477 was first published in the National Vulnerability Database on March 2, 2023, with the most recent update on May 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2021-45477 actively exploited?
CVE-2021-45477 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 43.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2021-45477?
CVE-2021-45477 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2021-45477?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-45477, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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