CVE-2021-47938
📛 CVE Title
(no title)
Description
ImpressCMS 1.4.2 contains a remote code execution vulnerability in the autotasks administrative interface that allows authenticated attackers to execute arbitrary PHP code by injecting malicious code into the sat_code parameter. Attackers can authenticate, submit a POST request to /modules/system/admin.php?fct=autotasks&op=mod with crafted sat_code containing PHP commands, which creates an executable file that accepts arbitrary commands via GET parameters.
Description (MITRE) cveawg.mitre.org
Pulled from cveawg.mitre.org/api/cve/CVE-2021-47938 on 2026-07-27. Shown when MITRE's text differs from the cvelistV5 mirror.
ImpressCMS 1.4.2 contains a remote code execution vulnerability in the autotasks administrative interface that allows authenticated attackers to execute arbitrary PHP code by injecting malicious code into the sat_code parameter. Attackers can authenticate, submit a POST request to /modules/system/admin.php?fct=autotasks&op=mod with crafted sat_code containing PHP commands, which creates an executable file that accepts arbitrary commands via GET parameters.
Overview
- State
- —
- Assigner (CNA)
- —
- CVSS severity
- high
- CVSS score
- 8.8 / 10
- CVSS vector
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H- Effective score
- 8.8 / 10 HIGH source: CNA overview
- CWE(s)
- —
- Reserved
- —
- Published
- —
- Last updated
- —
- Source
- https://www.tenable.com/cve/CVE-2021-47938
- Linked Threat
- CVE-2021-47938 — CVE-2021-47938
NVD triage scoring NVD CVE 2.0
Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.
- NVD published
- 2026-05-10 13:16:30 UTC
- NVD last modified
- 2026-05-12 14:24:15 UTC
- NVD CVSS v3.1
- 8.8 / 10 HIGH source: disclosure@vulncheck.com
- NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H- Exploitability subscore
- 2.8 / 10
- Impact subscore
- 5.9 / 10
- EPSS score
- 0.0027 (probability of exploitation in next 30 days)
- EPSS percentile
- 50.49% vs all CVEs — higher = more likely to be exploited, as of 2026-05-24
NVD-assigned CWE(s):
CWE-94
(differs from the CNA list above)
NVD / KEV / EPSS data refreshed 2026-05-24 23:59 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.
European Union Vulnerability Database ENISA EUVD
ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.
- EUVD ID
-
EUVD-2021-34799 - Assigner
- VulnCheck
- Published
- May 10, 2026, 12:43:56 PM
- Updated
- May 11, 2026, 11:24:06 AM
- EUVD base score (CVSS 4.0)
-
8.7 / 10
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N - EUVD-reported EPSS
- 0.2700
- Vendors
- ImpressCMS
- Products
-
ImpressCMS (1.4.2)
ENISA description: ImpressCMS 1.4.2 contains a remote code execution vulnerability in the autotasks administrative interface that allows authenticated attackers to execute arbitrary PHP code by injecting malicious code into the sat_code parameter. Attackers can authenticate, submit a POST request to /modules/system/admin.php?fct=autotasks&op=mod with crafted sat_code containing PHP commands, which creates an executable file that accepts arbitrary commands via GET parameters.
Vendor references (0)
References embedded in the original CVE record by the assigning CNA.
None in the CVE record.
Web references (7)
DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.
- https://nvd.nist.gov/vuln/detail/CVE-2021-47938 tenable:nvd.nist.gov
- https://www.cve.org/CVERecord?id=CVE-2021-47938 tenable:www.cve.org
- https://www.exploit-db.com/exploits/50298 tenable:www.exploit-db.com
- https://www.first.org/epss/ tenable:www.first.org
- https://www.impresscms.org/ tenable:www.impresscms.org
- https://www.impresscms.org/modules/downloads/ tenable:www.impresscms.org
- https://www.vulncheck.com/advisories/impresscms-remote-code-execution-via-autotasks tenable:www.vulncheck.com
NVD-tagged references (4)
Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.
- https://www.exploit-db.com/exploits/50298 disclosure@vulncheck.com
- https://www.impresscms.org/ disclosure@vulncheck.com
- https://www.impresscms.org/modules/downloads/ disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/impresscms-remote-code-execution-via-autotasks disclosure@vulncheck.com
Remediations (10)
Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.
-
web:blog.qualys.com
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web:forums.ea.com
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web:www.cve.org
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web:www.leagueoflegends.com
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