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CVE-2017-2628

33
FAUCET Score

CVE-2017-2628 is a critical vulnerability in curl, specifically affecting Red Hat Enterprise Linux 6 versions prior to 7.19.7-53. This flaw stems from an incomplete backport of a previous fix, leading to an authentication bypass due to incorrect handling of GSSAPI definitions. With a CVSS score of 9.8 (CRITICAL), it presents a high-impact threat with low attack complexity, allowing unauthenticated remote attackers to achieve full compromise (confidentiality, integrity, availability). While there is no evidence of active exploitation or publicly available exploit modules like Metasploit or ExploitDB, the vulnerability has garnered significant community discussion, indicating awareness and potential for future exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
7.19.7CPE matchmatch criteria
cpe:2.3:a:haxx:curl:7.19.7:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
3.87%
Probability of exploitation in next 30 days
EPSS Percentile
89.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0387 is in the 82nd percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: curl-0:7.19.7-53.el6_9
View patch

Vendor Advisories (1)

redhatCVE-2017-2628Moderate

curl: negotiate not treated as connection-oriented (incomplete fix for CVE-2015-3148)

Mar 29, 2017

References

rhn.redhat.com / errata/RHSA-2017-0847.html
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue Tracking
securityfocus.com / bid/97187
Third Party AdvisoryVDB Entry