How severe is CVE-2015-2822?

CVE-2015-2822 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2015-2822 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-2822?

CVE-2015-2822 primarily affects Siemens Wincc. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-2822?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2015-2822 published?

CVE-2015-2822 was published on 2015-04-08 and last updated on 2026-06-17.

CVE-2015-2822

CVE-2015-2822 is a medium-severity vulnerability in Siemens Wincc with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Siemens Wincc
Published: 2015-04-08
Last modified: 2026-06-17

Description

Siemens SIMATIC HMI Comfort Panels before WinCC (TIA Portal) 13 SP1 Upd2 and SIMATIC WinCC Runtime Advanced before WinCC (TIA Portal) 13 SP1 Upd2 allow man-in-the-middle attackers to cause a denial of service via crafted packets on TCP port 102.

Frequently asked questions

What is CVE-2015-2822?: Siemens SIMATIC HMI Comfort Panels before WinCC (TIA Portal) 13 SP1 Upd2 and SIMATIC WinCC Runtime Advanced before WinCC (TIA Portal) 13 SP1 Upd2 allow man-in-the-middle attackers to cause a denial of service via crafted packets on TCP port 102.
How severe is CVE-2015-2822?: CVE-2015-2822 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2015-2822 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-2822?: CVE-2015-2822 primarily affects Siemens Wincc. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-2822?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-2822 published?: CVE-2015-2822 was published on 2015-04-08 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:siemens:wincc:*:sp1:*:*:*:*:*:*
cpe:2.3:a:siemens:wincc:*:sp1:*:*:advanced:*:*:*

More vulnerabilities in Siemens Wincc

CVE-2011-4514 — Critical (CVSS 10.0): The TELNET daemon in Siemens WinCC flexible 2004, 2005, 2007, and 2008; WinCC V11 (aka TIA portal); the TP, OP, MP,…
CVE-2011-4513 — Critical (CVSS 10.0): Siemens WinCC flexible 2004, 2005, 2007, and 2008; WinCC V11 (aka TIA portal); the TP, OP, MP, Comfort Panels, and…
CVE-2011-4509 — Critical (CVSS 10.0): The HMI web server in Siemens WinCC flexible 2004, 2005, 2007, and 2008; WinCC V11 (aka TIA portal); the TP, OP, MP,…
CVE-2011-4876 — Critical (CVSS 9.3): Directory traversal vulnerability in HmiLoad in the runtime loader in Siemens WinCC flexible 2004, 2005, 2007, and…
CVE-2011-4875 — Critical (CVSS 9.3): Stack-based buffer overflow in HmiLoad in the runtime loader in Siemens WinCC flexible 2004, 2005, 2007, and 2008;…
CVE-2011-4508 — Critical (CVSS 9.3): The HMI web server in Siemens WinCC flexible 2004, 2005, 2007, and 2008 before SP3; WinCC V11 (aka TIA portal) before…

All CVEs affecting Siemens Wincc →

Other CWE-20 (Improper Input Validation) vulnerabilities

CVE-2026-48316 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48281 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48277 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48055 — Critical (CVSS 10.0): Streambert is a cross-platform Electron Desktop App to stream and download any video media. In versions 2.4.0 and…
CVE-2026-34910 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS…
CVE-2026-33587 — Critical (CVSS 10.0): Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and…

Browse all CWE-20 (Improper Input Validation) vulnerabilities →