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Fencer Vulns
medium 6.5

CVE-2022-27776 json

A insufficiently protected credentials vulnerability in fixed in curl 7.83.0 might leak authentication or cookie header data on HTTP redire…

published 2022-06-01 4 y ago modified 2026-10-14 25 d ago also EUVD-2022-32272 , JLSEC-2026-388

cvss
6.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.1%
EPSS 4.1% chance of exploitation in 30 days, percentile 90%
public exploits
0
none known

Summary

A insufficiently protected credentials vulnerability in fixed in curl 7.83.0 might leak authentication or cookie header data on HTTP redirects to the same host but another port number.

Patch / fix

  • julia CURL_jll 8.5.0+0
  • julia LibCURL_jll 7.83.1+0
  • Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP V3.1.5
  • Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP V3.1.5
  • Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP V3.1.5
  • curl Debian 14, Debian 13, Debian 12 7.83.0-1

debian advisories DEBIAN-CVE-2022-27776

  • curl Ubuntu 18.04 LTS 7.58.0-2ubuntu3.17
  • curl Ubuntu 20.04 LTS 7.68.0-1ubuntu2.10
  • curl Ubuntu 22.04 LTS 7.81.0-1ubuntu1.1

ubuntu advisories UBUNTU-CVE-2022-27776

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • curl RHEL 9 7.76.1-14.el9_0.4
  • libcurl RHEL 9 7.76.1-14.el9_0.4
  • curl-minimal RHEL 9 7.76.1-14.el9_0.4
  • libcurl-minimal RHEL 9 7.76.1-14.el9_0.4
  • curl RHEL 8 7.61.1-22.el8_6.3
  • libcurl RHEL 8 7.61.1-22.el8_6.3
  • libcurl-minimal RHEL 8 7.61.1-22.el8_6.3

red hat advisories RHSA-2022:5245RHSA-2022:5313

  • curl SLES for SAP 12 SP5, SLES 12 SP5, SLE Software Development Kit 12 SP5 7.60.0-11.37.1
  • curl SLE Module for Basesystem 15 SP3, SLE Micro 5.2, SLE Micro 5.1 +1 more 7.66.0-150200.4.30.1

suse advisories SUSE-SU-2022:1680-1SUSE-SU-2022:1657-1

  • curl openSUSE Tumbleweed 7.83.0-1.1

opensuse advisories openSUSE-SU-2024:12028-1

  • curl AlmaLinux 8 7.61.1-22.el8_6.3
  • libcurl AlmaLinux 8 7.61.1-22.el8_6.3
  • libcurl-minimal AlmaLinux 8 7.61.1-22.el8_6.3

almalinux advisories ALSA-2022:5313

  • curl Rocky Linux 8 7.61.1-22.el8_6.3

rocky linux advisories RLSA-2022:5313

  • curl Alpine 3.14, Alpine 3.13, Alpine 3.12 7.79.1-r1
  • curl Alpine 3.15 7.80.0-r1
  • curl Alpine 3.24, Alpine 3.23, Alpine 3.22 +6 more 7.83.0-r0

alpine advisories ALPINE-CVE-2022-27776

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • curl Arch Linux 7.83.0-1

arch linux advisories AVG-2685

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2022-27776 updated cvss 4.3

curl: auth/cookie leak on redirect

  • Red Hat .NET Core 3.1 on Red Hat Enterprise Linux rh-dotnet31-curl, rh-dotnet31-libcurl Red Hat Enterprise Linux 6 curl, libcurl Red Hat Enterprise Linux 7 curl, libcurl
    affected: no fix planned “Out of support scope”
  • Red Hat Software Collections httpd24-curl, httpd24-libcurl
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux AppStream (v. 9) libcurl-devel 7.76.1-14.el9_0.4, curl-debuginfo 7.76.1-14.el9_0.4, curl-debugsource 7.76.1-14.el9_0.4, libcurl-debuginfo 7.76.1-14.el9_0.4, curl-minimal-debuginfo 7.76.1-14.el9_0.4, libcurl-minimal-debuginfo 7.76.1-14.el9_0.4
    fixed: vendor fix RHSA-2022:5245
  • Red Hat Enterprise Linux BaseOS (v. 8) curl 7.61.1-22.el8_6.3, libcurl 7.61.1-22.el8_6.3, libcurl-minimal 7.61.1-22.el8_6.3
    fixed: vendor fix RHSA-2022:5313
  • Red Hat Enterprise Linux BaseOS (v. 9) curl 7.76.1-14.el9_0.4, libcurl 7.76.1-14.el9_0.4, curl-minimal 7.76.1-14.el9_0.4, libcurl-minimal 7.76.1-14.el9_0.4
    fixed: vendor fix RHSA-2022:5245
  • Red Hat JBoss Core Services jbcs-httpd24-curl jbcs-httpd24-curl
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

cisa ICSA-23-348-10 updated cvss 6.5

Siemens SIMATIC S7-1500

  • Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0) >= 3.1.0, < 3.1.5 Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AC0) >= 3.1.0, < 3.1.5 Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AB0) >= 3.1.0, < 3.1.5 Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AC0) >= 3.1.0, < 3.1.5 Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP (6AG1518-4AX00-4AC0) >= 3.1.0, < 3.1.5
    affected: fixed in V3.1.5, mitigation support.industry.siemens.com

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
23 mo ago

Exploit prediction

4.10% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • hackerone.com https://hackerone.com/reports/1547048 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:P/I:N/A:N
OSV 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Affected packages

ecosystem package affected fixed in
julia CURL_jll
<8.5.0+0
8.5.0+0
julia LibCURL_jll
<7.83.1+0
7.83.1+0

Affected products

  • n/a https://github.com/curl/curl
  • Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP
  • Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP
  • Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP

Classification

Weakness
  • CWE-522 Insufficiently Protected Credentials

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.