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CVE-2020-27541

23
FAUCET Score

CVE-2020-27541 is a Denial of Service vulnerability affecting Rostelecom CS-C2SHW 5.0.082.1 and its firmware. An attacker can exploit a bug in the AgentGreen service's UDP packet parsing by sending a malformed, small packet, causing the service to crash and restart. This vulnerability has a CVSS score of 7.5 (High), indicating it can be exploited remotely with low complexity to achieve a complete denial of service. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
5.0.082.1CPE matchmatch criteria
cpe:2.3:o:company:cs-c2shw_firmware:5.0.082.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.11%
Probability of exploitation in next 30 days
EPSS Percentile
62.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0111 is in the 40th percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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

dil4rd.medium.com / groundhog-day-in-iot-valley-or-5-cves-in-1-camera-7dc1d2864707
ExploitThird Party Advisory