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CVE-2020-28396

23
FAUCET Score

CVE-2020-28396 describes a web server misconfiguration in Siemens SICAM A8000 CP-8000, CP-8021, and CP-8022 devices (all versions prior to V16) that leads to the use of insecure ciphers. This vulnerability, rated 7.3 HIGH (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N), allows a privileged attacker to decrypt communications, compromising confidentiality and integrity. While it requires user interaction and privileged access, the potential impact is high. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 16CPE matchmatch criteria
cpe:2.3:o:siemens:sicam_a8000_cp-8000_firmware:*:*:*:*:*:*:*:*
< 16CPE matchmatch criteria
cpe:2.3:o:siemens:sicam_a8000_cp-8021_firmware:*:*:*:*:*:*:*:*
< 16CPE matchmatch criteria
cpe:2.3:o:siemens:sicam_a8000_cp-8022_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.3HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.1
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.56%
Probability of exploitation in next 30 days
EPSS Percentile
43.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0056 is in the 57th percentile among its peer group of 890 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

cert-portal.siemens.com / productcert/pdf/ssa-415783.pdf
Vendor Advisory
zerodayinitiative.com / advisories/ZDI-21-062
Not Applicable