CVE-2025-7639Disclosure

MEDIUMCVSS 6.1 · MEDIUM

Exploitation ongoing with high activity in latest observed window (1 mentions)

Immediate actions

  • Patch affected systems immediately
  • Assume compromise if assets are exposed

Recommended action window: Immediate (within 24h)

NVD description

The vulnerability, if exploited, could allow an authenticated miscreant with "DNA Authority - Operator" privilege to tamper with serialized data, potentially resulting in code execution during deserialization under the privilege of Enterprise SCADA security group "DNA Apps".

4.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-502

Priority

MEDIUM

Exploitation

ACTIVE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Threat summary

  • Active exploitation appears in 1 classified signals
  • Patch or workaround signal is available
  • 4 mentions across 4 observed days
  • Momentum state: stable

What's happening

  • Active exploitation reported across 1 signal
  • Patch or workaround mentioned in 2 signals
  • Technical details provided in 4 signals
  • Disclosure: 2 classified signals
  • Peaked 3d ago at 1 mentions (2026-08-13); latest day: 1
  • 4 total mentions across 4 days

Deep dive

Activity timeline4 mentions / 4d
00111Mentions · 2026-08-13: 1Mentions · 2026-08-14: 1Mentions · 2026-08-15: 1Mentions · 2026-08-20: 1Active Exploitation · 2026-08-14: 1Patch / Workaround · 2026-08-13: 1Patch / Workaround · 2026-08-20: 1Technical Details · 2026-08-13: 1Technical Details · 2026-08-14: 1Technical Details · 2026-08-15: 1Technical Details · 2026-08-20: 108-1308-1408-1508-20
Signal classification3 categories
Disclosure
250.0%
Patch
125.0%
Active Exploitation
125.0%
Referenced assets3 URLs
Classification over time
DateTotalLabels
2026-08-131
Patch1
2026-08-141
Active Exploitation1
2026-08-151
Disclosure1
2026-08-201
Disclosure1
Full discourse4 posts
  • CyberSignal | Cybersecurity News@XQOPTRX
    Disclosure

    ☠️🏭 **CISA DISCLOSES CODE-EXECUTION FLAW IN AVEVA ENTERPRISE SCADA** **CyberSignal Daily ✓ · ⚙️ Industrial Security · August 13, 2026** 🎯 **Another recent CISA advisory affects software used to supervise industrial processes.** The vulnerability: 🔥 **CVE-2025-7639** affects: 🏭 **AVEVA Enterprise SCADA** and its HMI environment. ### 💻 WHAT COULD HAPPEN? The issue involves unsafe processing of serialized information. Successful exploitation under affected conditions can result in: 💻 **code execution** inside the SCADA environment. ### 🏭 WHY SCADA SECURITY MATTERS SCADA software may provide operators with: 📊 industrial telemetry ⚙️ process monitoring 🖥️ supervisory control 🚨 alarm information 🏭 operational visibility. That makes compromise substantially more serious than compromise of an ordinary desktop application. ### ⚠️ IMPORTANT CONTEXT This vulnerability requires: 🔐 authenticated access and CISA has not reported: ❌ known public exploitation. So it should not be described as an actively exploited Internet zero-day. ### 🛡️ DEFENSIVE PRIORITIES ✅ apply AVEVA updates ✅ restrict SCADA network access ✅ enforce least privilege ✅ segment OT infrastructure ✅ monitor privileged activity. ### 📌 CURRENT PICTURE 🔥 CVE-2025-7639 🏭 AVEVA Enterprise SCADA 💻 Code execution possible 🔐 Authentication required ⚠️ No public exploitation reported ✅ Vendor remediation available The lesson: > **In industrial environments, limiting who can reach the SCADA service can be just as important as fixing the software itself.** 🔗 **Sources:** CISA ICSA-26-225-01 • AVEVA #CyberSecurity #AVEVA #SCADA #ICS #OTSecurity #CriticalInfrastructure #CISA #CyberNews

    Post summary

    CISA discloses a code‑execution flaw (CVE‑2025‑7639) in AVEVA Enterprise SCADA, outlining the vulnerability and recommending vendor patches, while noting no active exploitation has been observed.

    0000060
    98 followersView on X
  • CVETodo@CveTodo
    Disclosure

    A maximum-severity deserialization vulnerability in AVEVA's widely deployed industrial control software could allow an attacker to execute arbitrary code on systems managing pipeline and energy... https://cvetodo.com/news/aveva-enterprise-scada-hit-by-maximum-severity-rce-flaw-cve-2025-7639-cisa-warns #AVEVA #RCE #CriticalVulnerability #CVE #InfoSec https://t.co/0EXMoUu8Vu

    Post summary

    The tweet announces a maximum‑severity deserialization RCE vulnerability (CVE‑2025‑7639) in AVEVA industrial control software, warning of its potential impact without providing PoC, exploit code, or patch information.

    0000044
    19 followersView on X
  • Aviatrix Threat Research Center@aviatrixtrc
    Active Exploitation

    Attackers exploited deserialization flaws in AVEVA Enterprise SCADA (CVE-2025-7639) to execute arbitrary code and escalate privileges within industrial systems. TRC analysis shows lateral movement across critical infrastructure networks following initial compromise. Runtime segmentation helps contain post-compromise activity in OT environments. #ICS #ZeroTrust 🔗 Read the full analysis: https://aviatrix.ai/threat-research-center/icsa-26-225-01-aveva-enterprise-scada-cve-2025-7639

    Post summary

    The post confirms that attackers have exploited CVE‑2025‑7639 in AVEVA Enterprise SCADA, using deserialization vulnerabilities to gain arbitrary code execution and privilege escalation, with lateral movement across industrial networks, while runtime segmentation can limit damage.

    0000045
    1.9K followersView on X
  • Windows Forum@windowsforum
    Patch

    🛠️ AVEVA’s SCADA fix isn’t a “click update, move on” patch: CVE-2025-7639 requires a JSON migration to close a privileged path from data tampering to code execution. https://windowsforum.com/security-alerts.84/cve-2025-7639-aveva-enterprise-scada-requires-json-migration.442824/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #JsonSerialization #ScadaSecurity #AvevaEnterpriseScada #Cve20257639 https://t.co/cNc2WMFoLS

    Post summary

    The post highlights that AVEVA SCADA’s CVE-2025-7639 requires a deliberate JSON migration for remediation, emphasizing the importance of the update.

    0000056
    1.3K followersView on X

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