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CVE-2021-31586

48
FAUCET Score

CVE-2021-31586 is a high-severity SQL injection vulnerability affecting Accellion Kiteworks versions prior to 7.4.0. An authenticated attacker can exploit this flaw via the LDAPGroup Search function. The vulnerability carries a CVSS score of 8.8, indicating a network-based attack with low complexity, requiring only low privileges, and capable of leading to complete compromise of confidentiality, integrity, and availability. While no public exploit code or active exploitation has been observed, and community discussion is minimal, the potential impact remains significant.

Impacted Technologies

VendorProductVersion(s)CPE
< 7.4.0CPE matchmatch criteria
cpe:2.3:a:accellion:kiteworks:*:*:*:*:*:*:*:*

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
44.11%
Probability of exploitation in next 30 days
EPSS Percentile
98.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.4411 is in the 98th percentile among its peer group of 17,844 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

github.com / accellion/CVEs
Third Party Advisory
github.com / accellion/CVEs/blob/main/CVE-2021-31586.txt
Third Party Advisory