No exploitation reported

CVE-2019-10952

No exploitation reported by the sources we read.

Published2019-05-01
WeaknessCWE-400 · CWE-787

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

An attacker could send a crafted HTTP/HTTPS request to render the web server unavailable and/or lead to remote code execution caused by a stack-based buffer overflow vulnerability. A cold restart is required for recovering CompactLogix 5370 L1, L2, and L3 Controllers, Compact GuardLogix 5370 controllers, and Armor Compact GuardLogix 5370 Controllers Versions 20 - 30 and earlier.

Timeline

dates in UTC

2019-05-0120:29CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2019-10952?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2019-10952?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Rockwellautomation armor compact guardlogix 5370 firmwareversion to verify

Branch	Affected	Fixed in	Source
30.14	≥ 20.011, ≤ 30.014	no fix published	NVD

Rockwellautomation compactlogix 5370 l1 firmwareversion to verify

Branch	Affected	Fixed in	Source
30.14	≥ 20.011, ≤ 30.014	no fix published	NVD

Rockwellautomation compactlogix 5370 l2 firmwareversion to verify

Branch	Affected	Fixed in	Source
30.14	≥ 20.011, ≤ 30.014	no fix published	NVD

1 more product in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

ICSA-19-120-01 CISA5 known affected
ICSA-19-120-01_Rockwell Automation CompactLogix 5370
CompactLogix 5370 L1 controllers: Version 20 to 30.014 and earlier · Compact GuardLogix 5370 controllers: Versions 20 to 30.014 and earlier · Armor Compact GuardLogix 5370 controllers: Versions 20 to 30.014 and earlier · +2 more

Full record on NVD

Fix

Mitigation from the vendor CISA ICSA-19-120-01 · 5 productsRockwell Automation strongly encourages users to apply the latest available version of firmware to keep up to date with the latest features, anomaly fixes, and security improvements.
Mitigation from the vendor CISA ICSA-19-120-01 · 5 productsApply FRN 31.011 or later from: https://compatibility.rockwellautomation.com/Pages/MultiProductDownload.aspx?Keyword=5370&crumb=112
Mitigation from the vendor CISA ICSA-19-120-01 · 5 productsFor EtherNet/IP-based vulnerabilities (ID 1-14), block all traffic to and from outside the Manufacturing Zone by blocking or restricting access to Port 2222/TCP/UDP and Port 44818/TCP/UDP using proper network infrastructure controls, such as firewalls, UTM devices, or other security appliances. For…
Mitigation from the vendor CISA ICSA-19-120-01 · 5 productsStratix users can use Device Manager or Studio 5000 Logix Designer to configure access control lists (ACL) to block/restrict ports. See section “Access Control Lists” in Stratix Managed Switches User Manual, publication 1783-UM007, for detailed instructions.
Mitigation from the vendor CISA ICSA-19-120-01 · 5 productsFor web-based vulnerabilities (ID 15-17), block all traffic from outside the Manufacturing Zone by blocking or restricting access to Port 80/443/TCP. Stratix users can use Device Manager or Studio 5000 Logix Designer to configure ACL's to block/restrict ports. See section “Access Control Lists” in …
Mitigation from the vendor CISA ICSA-19-120-01 · 5 productsStratix users can use Device Manager or Studio 5000 Logix Designer to configure ACL's to block/restrict ports. See section “Access Control Lists” in Stratix Managed Switches User Manual, publication 1783-UM007, for detailed instructions.

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.19.8read 2026-10-23
NVDCVSS 2.07.5read 2026-10-23
CNAweakness (CWE)CWE-400read 2026-10-23
NVDweakness (CWE)CWE-787read 2026-10-23
FIRST EPSSEPSS score10.0 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2019-05-01
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2019-10952?

Is CVE-2019-10952 actively exploited?

Active exploitation of CVE-2019-10952 has not been confirmed. Its EPSS score was 10.0% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-10952?

CVE-2019-10952 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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