What is CVE-2010-2772?

CVE-2010-2772 is a high-severity vulnerability in Siemens Simatic Pcs 7, classified under Use of Hard-coded Credentials. CVSS score: 7.8/10. Published 2010-07-22.

How severe is CVE-2010-2772?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2010-2772 known to be exploited?

11 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Siemens Simatic Pcs 7

CVE-2010-2772

Siemens Simatic WinCC and PCS 7 SCADA system uses a hard-coded password, which allows local users to access a back-end database and gain privileges, as demonstrated in the wild in July 2010 by the Stuxnet worm, a different vulnerability than CVE-2010-2568.

Published 2010-07-22 · last modified 2026-06-16.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (45.0th percentile), scored 2026-10-21.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Siemens Simatic Pcs 7 — versions 7.0, 6.0, 6.1
Siemens Simatic Wincc — versions 7.0, 6.2

Weakness classification (CWE)

CWE-798 — Use of Hard-coded Credentials

Public proof-of-concept exploits

References

exchange.xforce.ibmcloud.com/vulnerabilities/60587 (Third Party Advisory, VDB Entry, vdb-entry)
infoworld.com/d/security-central/siemens-warns-users-dont-change-passwords-afte… (Press/Media Coverage)
support.automation.siemens.com/WW/llisapi.dll (Not Applicable)
ics-cert.us-cert.gov/advisories/ICSA-12-205-01 (US Government Resource, Third Party Advisory)
www.f-secure.com/weblog/archives/00001987.html (Third Party Advisory)
www.automation.siemens.com/forum/guests/PostShow.aspx (Broken Link)
www.vupen.com/english/advisories/2010/1893 (vdb-entry, Broken Link)
secunia.com/advisories/40682 (Broken Link, third-party-advisory)
krebsonsecurity.com/2010/07/experts-warn-of-new-windows-shortcut-flaw/ (Press/Media Coverage)
www.sea.siemens.com/us/News/Industrial/Pages/WinCC_Update.aspx (Broken Link, Vendor Advisory)

Frequently asked questions

What is CVE-2010-2772?: CVE-2010-2772 is a high-severity vulnerability in Siemens Simatic Pcs 7, classified under Use of Hard-coded Credentials. CVSS score: 7.8/10. Published 2010-07-22.
How severe is CVE-2010-2772?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2010-2772 known to be exploited?: 11 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.