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CVE-2014-2522

14
FAUCET Score

CVE-2014-2522 describes a vulnerability in curl and libcurl versions 7.27.0 through 7.35.0 on Windows, specifically when using the SChannel/Winssl TLS backend. It fails to verify server hostnames against X.509 certificate fields when connecting to URLs using numerical IP addresses, enabling man-in-the-middle attacks via arbitrary valid certificates. The vulnerability has a CVSS score of 4.0, indicating a medium severity with a network attack vector, high attack complexity, and potential for partial confidentiality and integrity compromise. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
7.27.0CPE matchmatch criteria
cpe:2.3:a:haxx:curl:7.27.0:*:*:*:*:*:*:*
7.28.0CPE matchmatch criteria
cpe:2.3:a:haxx:curl:7.28.0:*:*:*:*:*:*:*
7.28.1CPE matchmatch criteria
cpe:2.3:a:haxx:curl:7.28.1:*:*:*:*:*:*:*
7.29.0CPE matchmatch criteria
cpe:2.3:a:haxx:curl:7.29.0:*:*:*:*:*:*:*
7.30.0CPE matchmatch criteria
cpe:2.3:a:haxx:curl:7.30.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.0MEDIUM

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

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

Exploit Intelligence

EPSS Score
2.58%
Probability of exploitation in next 30 days
EPSS Percentile
83.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0258 is in the 74th percentile among its peer group of 19,958 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

Patch Available

Vendor Patches (2)

jitsipatch availablevia llm_extracted
Fixed in: 7.35.0
View patch
sierra_wirelesspatch availablevia llm_extracted
Fixed in: 7.35.0
View patch

Vendor Advisories (2)

sierra_wirelessllm-sierra_wireless-46b354a10df8959aMEDIUM

not verifying certs for TLS to IP address / Schannel

Mar 26, 2014
jitsillm-jitsi-e1f85a2e9695531cMEDIUM

not verifying certs for TLS to IP address / Schannel

Mar 26, 2014

References

curl.haxx.se / docs/adv_20140326D.html
PatchVendor Advisory
seclists.org / oss-sec/2014/q1/585
seclists.org / oss-sec/2014/q1/586
secunia.com / advisories/57836
Vendor Advisory
secunia.com / advisories/57966
Vendor Advisory
secunia.com / advisories/57968
Vendor Advisory
secunia.com / advisories/59458
www-947.ibm.com / support/entry/portal/docdisplay
getchef.com / blog/2014/04/09/chef-server-11-0-12-release
getchef.com / blog/2014/04/09/enterprise-chef-11-1-3-release
getchef.com / blog/2014/04/09/enterprise-chef-1-4-9-release
securityfocus.com / bid/66296