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CVE-2013-5999

16
FAUCET Score

CVE-2013-5999 describes a vulnerability in Kingsoft KDrive Personal for Windows, versions prior to 1.21.0.1880, where the software fails to properly validate X.509 certificates from SSL servers. This flaw allows man-in-the-middle attackers to spoof legitimate servers using crafted certificates, potentially leading to the disclosure of sensitive information. With a CVSS score of 5.8, this medium-severity vulnerability requires moderate attack complexity and could result in partial confidentiality and integrity impacts. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.21.0.1878CPE matchmatch criteria
cpe:2.3:a:kingsoft:kdrive:*:-:-:*:personal:windows:*:*

CVSS Data

CVSS version used by this source: 2.0

5.8MEDIUM

AV:N/AC:M/Au:N/C:P/I:P/A:N

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
4.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.58%
Probability of exploitation in next 30 days
EPSS Percentile
44.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0058 is in the 7th percentile among its peer group of 19,955 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Remediation records are not available for this CVE.

References

faq.kdrive.jp / 2013/11/19/pcappupdate.html
jvndb.jvn.jp / jvndb/JVNDB-2013-000108
jvn.jp / en/jp/JVN97810280/index.html