CVE-2021-23857

CRITICALNVD 10.09.8▼

10.0

Login with hash: The login routine allows the client to log in to the system not by using the password, but by using the hash of the password. Combined with CVE-2021-23858, this allows an attacker to subsequently login to the system.

CVSS v3: 10.0
EG Score: 9.8(medium)
EPSS: 58.2%
KEV: Not listed

Published

October 4, 2021

Last Modified

November 21, 2024

Advisory Details (1)

Auto-updated May 23, 2026

No patch confirmed yet.

generic

Multiple vulnerabilities in Rexroth IndraMotion and IndraLogic series | Bosch PSIRT

https://psirt.bosch.com/security-advisories/bosch-sa-741752.html

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 9× in last 7d / 9× 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.

2026-05-27 13:39 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 09:33 UTCEG score recompute
2026-05-26 09:33 UTCGHSA enrichment
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-24 16:49 UTCepss_batch
2026-05-23 23:25 UTCOSV refresh

Frequently asked(5)

What is CVE-2021-23857?

CVE-2021-23857 is a critical vulnerability published on October 4, 2021. Login with hash: The login routine allows the client to log in to the system not by using the password, but by using the hash of the password. Combined with CVE-2021-23858, this allows an attacker to subsequently login to the system.

When was CVE-2021-23857 disclosed?

CVE-2021-23857 was first published in the National Vulnerability Database on October 4, 2021, 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-2021-23857 actively exploited?

CVE-2021-23857 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 58.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-23857?

CVE-2021-23857 has a CVSS v3 base score of 10.0 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.8.

How do I remediate CVE-2021-23857?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-23857, 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-2021-23857

Explore →

Is Your Infrastructure Affected by CVE-2021-23857?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs