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CVE-2022-27775

26
FAUCET Score

CVE-2022-27775 is an information disclosure vulnerability affecting curl versions 7.65.0 to 7.82.0, as well as products from Brocade, Debian, Haxx, NetApp, and Splunk. It arises from improper handling of IPv6 addresses with differing zone IDs in the connection pool, potentially leading to connection reuse and unintended data exposure. Rated with a CVSS score of 7.5 (HIGH), this vulnerability has a low attack complexity and can be exploited remotely without user interaction, resulting in high confidentiality impact. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 7.65.0, <= 7.82.0CPE matchmatch criteria
cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:*
11.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:netapp:hci_bootstrap_os:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:netapp:solidfire_\&_hci_management_node:-:*:*:*:*:*:*:*

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
2.79%
Probability of exploitation in next 30 days
EPSS Percentile
84.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0279 is in the 73rd percentile among its peer group of 51,485 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 (5)

hikvisionpatch availablevia llm_extracted
microsoftpatch availablevia msrc
Product: 18691-16820Fixed in: 7.76.0-9
microsoftpatch availablevia msrc
Product: cm1 curl 7.76.0-9 on CBL Mariner 1.0Fixed in: 7.76.0-9
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: curl-0:7.76.1-19.el9
View patch
zimbrapatch availablevia llm_extracted
Fixed in: 8.2.12, 9.0.6, 9.1.1

Vendor Advisories (4)

zimbrallm-zimbra-9542faa91a6d6884HIGH

August Third Party Package Updates in Splunk Universal Forwarder

Aug 30, 2023
microsoft2022-Jun/CVE-2022-27775Important

An information disclosure vulnerability exists in curl 7.65.0 to 7.82.0 are vulnerable that by using an IPv6 address that was in the connection pool but with a different zone id it could reuse a connection instead.

Jun 14, 2022
redhatCVE-2022-27775Low

curl: bad local IPv6 connection reuse

Apr 27, 2022
hikvisionllm-hikvision-d4c1c8cb4acae946LOW

Bad local IPv6 connection reuse

Apr 27, 2022

References

hackerone.com / reports/1546268
ExploitThird Party Advisory
security.gentoo.org / glsa/202212-01
Third Party Advisory
security.netapp.com / advisory/ntap-20220609-0008
Third Party Advisory
debian.org / security/2022/dsa-5197
Third Party Advisory