CVE-2021-27780

MEDIUMNVD 5.35.3—Trending — 3 sources updated this week

5.3

The software may be vulnerable to both Un-Auth XML interaction and unauthenticated device enrollment.

CVSS v3: 5.3
EG Score: 5.3(medium)
EPSS: 42.5%
KEV: Not listed

Published

May 27, 2022

Last Modified

November 21, 2024

References (2)

psirt@hclhttps://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0098028
af854a3a-2127-422b-91ae-364da2661108https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0098028

Weakness Classification(1)

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

CWE-112

Data Freshness Timeline

(refreshed 13× in last 7d / 13× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-25 21:25 UTCEG score recompute
2026-05-25 21:25 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2021-27780?

CVE-2021-27780 is a medium vulnerability published on May 27, 2022. The software may be vulnerable to both Un-Auth XML interaction and unauthenticated device enrollment.

When was CVE-2021-27780 disclosed?

CVE-2021-27780 was first published in the National Vulnerability Database on May 27, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-27780 actively exploited?

CVE-2021-27780 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 42.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-27780?

CVE-2021-27780 has a CVSS v3 base score of 5.3 (NVD).

How do I remediate CVE-2021-27780?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-27780, 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.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2021-27780

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Is Your Infrastructure Affected by CVE-2021-27780?

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CVE-2021-27780

📅 Published

🔄 Last Modified

🔗 References (2)