CVE-2022-27781

Name: CVE-2022-27781
Creator: NVD / NIST
Published: 2022-06-02T14:15:44.467+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 2.43%

Last modified Jun 17, 2026

CVE-2022-27781 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. libcurl provides the `CURLOPT_CERTINFO` option to allow applications torequest details to be returned about a server's certificate chain.Due to an erroneous function, a malicious server could make libcurl built withNSS get stuck in a never-ending busy-loop when trying to retrieve thatinformation.. EPSS estimates a 2.43% chance of exploitation in the next 30 days.

Description

libcurl provides the `CURLOPT_CERTINFO` option to allow applications torequest details to be returned about a server's certificate chain.Due to an erroneous function, a malicious server could make libcurl built withNSS get stuck in a never-ending busy-loop when trying to retrieve thatinformation.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

2.43%

82.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Haxx	Curl	< 7.83.1
Debian	Debian Linux	10.0
Debian	Debian Linux	11.0
Netapp	Hci Bootstrap Os	All versions
Netapp	Clustered Data Ontap	All versions
Netapp	Solidfire\, Enterprise Sds \& Hci Storage Node	All versions
Netapp	Solidfire \& Hci Management Node	All versions
Netapp	Hci Compute Node	All versions
Netapp	H300s Firmware	All versions
Netapp	H500s Firmware	All versions
Netapp	H700s Firmware	All versions
Netapp	H410s Firmware	All versions
Splunk	Universal Forwarder	>= 8.2.0, < 8.2.12
Splunk	Universal Forwarder	>= 9.0.0, < 9.0.6
Splunk	Universal Forwarder	9.1.0

References

https://hackerone.com/reports/1555441Exploit, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/08/msg00017.htmlMailing List, Third Party Advisory
https://security.gentoo.org/glsa/202212-01Third Party Advisory
https://security.netapp.com/advisory/ntap-20220609-0009/Third Party Advisory
https://www.debian.org/security/2022/dsa-5197Mailing List, Third Party Advisory
https://hackerone.com/reports/1555441Exploit, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/08/msg00017.htmlMailing List, Third Party Advisory
https://security.gentoo.org/glsa/202212-01Third Party Advisory
https://security.netapp.com/advisory/ntap-20220609-0009/Third Party Advisory
https://www.debian.org/security/2022/dsa-5197Mailing List, Third Party Advisory
https://hackerone.com/reports/1555441Exploit, Third Party Advisory

Timeline

Published: Jun 2, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-27781?

How severe is CVE-2022-27781?

CVE-2022-27781 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.43% probability of exploitation in the next 30 days.

How do I fix CVE-2022-27781?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-27781?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST