Is CVE-2021-45477 in the CISA KEV catalog?

No. CVE-2021-45477 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-45477?

CVE-2021-45477 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2021-45477?

CVE-2021-45477 has an EPSS score of 0.58% (44th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-45477?

Upgrade library automation system to 19.2 or later.

CVE & CISA-KEV Catalog

CVE-2021-45477

MEDIUM

6.5

CVSS v3

NVD

Description

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.

CWE-233

How to fix

Remediation Available

library automation systemNVD

Affected:< 19.2Fixed in:19.2CVE-2021-45477derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

0.58%probability of exploitation in 30 days

44thpercentile

Moderate risk: more likely to be exploited than 44% of all known CVEs.

References

Third-Party Advisory1

usom.gov.tr

Other references1

siberguvenlik.gov.tr

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-18.