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CVE-2021-35970

24
FAUCET Score

CVE-2021-35970 is a high-severity vulnerability affecting Coral Talk versions prior to 4.12.1, allowing remote attackers to discover sensitive information like email addresses through GraphQL due to incorrect permission checks. With a CVSS score of 7.5, it presents a low-complexity attack vector over the network, leading to high confidentiality impact without requiring user interaction. There is currently no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 4.0.0, < 4.12.1CPE matchmatch criteria
cpe:2.3:a:voxmedia:coral_talk:*:*:*:*:*:*:*:*

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:H/I:N/A:N

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

Exploit Intelligence

EPSS Score
2.31%
Probability of exploitation in next 30 days
EPSS Percentile
81.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0231 is in the 67th percentile among its peer group of 51,506 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

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

docs.coralproject.net / coral/api/graphql
ExploitVendor Advisory
github.com / coralproject/talk/compare/v4.12.0...v4.12.1
PatchThird Party Advisory
github.com / coralproject/talk/issues/3600
ExploitThird Party Advisory
github.com / coralproject/talk/pull/3599
PatchThird Party Advisory