CVE-2021-29368

HIGHNVD 8.88.8—Elevated

8.8

Session fixation vulnerability in CuppaCMS thru commit 4c9b742b23b924cf4c1f943f48b278e06a17e297 on November 12, 2019 allows attackers to gain access to arbitrary user sessions.

CVSS v3: 8.8
EG Score: 8.8(medium)
EPSS: 68.7%
KEV: Not listed

Published

January 20, 2023

Last Modified

April 3, 2025

References (2)

cve@mitrehttps://github.com/CuppaCMS/CuppaCMS/issues/8
af854a3a-2127-422b-91ae-364da2661108https://github.com/CuppaCMS/CuppaCMS/issues/8

Weakness Classification(1)

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

CWE-384Session Fixation

Data Freshness Timeline

(refreshed 11× in last 7d / 20× 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.

2026-06-04 13:10 UTCepss_batch
2026-06-04 13:10 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
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 08:14 UTCEG score recompute
2026-05-25 08:14 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2021-29368?

CVE-2021-29368 is a high vulnerability published on January 20, 2023. Session fixation vulnerability in CuppaCMS thru commit 4c9b742b23b924cf4c1f943f48b278e06a17e297 on November 12, 2019 allows attackers to gain access to arbitrary user sessions.

When was CVE-2021-29368 disclosed?

CVE-2021-29368 was first published in the National Vulnerability Database on January 20, 2023, with the most recent update on April 3, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-29368 actively exploited?

CVE-2021-29368 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 68.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-29368?

CVE-2021-29368 has a CVSS v3 base score of 8.8 (NVD).

How do I remediate CVE-2021-29368?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-29368, 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

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CVE-2021-29368

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-29368?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)