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CVE-2020-8949

26
FAUCET Score

CVE-2020-8949 describes a critical OS command injection vulnerability affecting various Gocloud S2A, S3A, and ISP3000 devices. Remote attackers can execute arbitrary operating system commands by injecting shell metacharacters into the ping operation via the cgi-bin/webui/admin/tools/app_ping/diag_ping/ substring. With a CVSS score of 8.8 (High), this vulnerability allows for complete compromise of confidentiality, integrity, and availability with low attack complexity and no user interaction required. Despite its severity, there is no known active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
4.2.7.16471CPE matchmatch criteria
cpe:2.3:o:gocloud:s2a_wl_firmware:4.2.7.16471:*:*:*:*:*:*:*
4.2.7.17278CPE matchmatch criteria
cpe:2.3:o:gocloud:s2a_firmware:4.2.7.17278:*:*:*:*:*:*:*
4.3.0.15815CPE matchmatch criteria
cpe:2.3:o:gocloud:s2a_firmware:4.3.0.15815:*:*:*:*:*:*:*
4.3.0.17193CPE matchmatch criteria
cpe:2.3:o:gocloud:s2a_firmware:4.3.0.17193:*:*:*:*:*:*:*
4.2.7.16528CPE matchmatch criteria
cpe:2.3:o:gocloud:s3a_k2p_mtk_firmware:4.2.7.16528:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.83%
Probability of exploitation in next 30 days
EPSS Percentile
85.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0283 is in the 84th percentile among its peer group of 17,822 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 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

sku11army.blogspot.com / 2020/02/gocloud-rce-in-gocloud-routers.html
ExploitThird Party Advisory