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Public proof of conceptFix available

CVE-2022-1292

A public proof of concept exists; no exploitation attested.

  • Published2022-05-03
  • WeaknessCWE-78

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

The c_rehash script does not properly sanitise shell metacharacters to prevent command injection. This script is distributed by some operating systems in a manner where it is automatically executed. On such operating systems, an attacker could execute arbitrary commands with the privileges of the script. Use of the c_rehash script is considered obsolete and should be replaced by the OpenSSL rehash command line tool. Fixed in OpenSSL 3.0.3 (Affected 3.0.0,3.0.1,3.0.2). Fixed in OpenSSL 1.1.1o (Affected 1.1.1-1.1.1n). Fixed in OpenSSL 1.0.2ze (Affected 1.0.2-1.0.2zd).

Timeline

dates in UTC
  1. 2022-05-0316:15CVE publishedNVD
  2. 2026-10-2319:23First public proof of conceptPoC-in-GitHub
  3. 2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2022-1292?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2022-1292?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Debian debian linux
BranchAffectedFixed in
9.0= 9.0no fix published
10.0= 10.0no fix published
11.0= 11.0no fix published
OpenSSL
BranchAffectedFixed in
3.0≥ 3.0.0, < 3.0.33.0.3
1.1≥ 1.1.1, < 1.1.1o1.1.1o
1.0≥ 1.0.2, < 1.0.2ze1.0.2ze
Fedoraproject fedora
BranchAffectedFixed in
35.x= 35no fix published
36.x= 36no fix published

32 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

  • RHSA-2023:6818 Red Hat Product Security2 products fixed

    Red Hat Security Advisory: Satellite 6.14 security and bug fix update

  • RHSA-2023:5982 Red Hat Product Security9 products fixed

    Red Hat Security Advisory: Red Hat Satellite Client security and bug fix update

  • RHSA-2023:5980 Red Hat Product Security4 products fixed

    Red Hat Security Advisory: Satellite 6.11.5.6 async security update

  • RHSA-2023:5979 Red Hat Product Security2 products fixed

    Red Hat Security Advisory: Satellite 6.12.5.2 Async Security Update

  • RHSA-2023:5931 Red Hat Product Security2 products fixed

    Red Hat Security Advisory: Satellite 6.13.5 Async Security Update

  • ICSA-23-047-03 CISA1 known affected

    Siemens Brownfield Connectivity Client

    Brownfield Connectivity - Client

1 more advisory

Full record on NVD

Fix

  1. Vendor fix Red Hat Product Security RHSA-2023:6818 · 4 productsBefore applying this update, make sure all previously released errata relevant to your system have been applied. For detailed instructions how to apply this update, refer to: https://access.redhat.com/documentation/en-us/red_hat_satellite/6.14/html/upgrading_red_hat_satellite_to_6.14/index
  2. Vendor fix Red Hat Product Security RHSA-2023:5982 · 15 productsFor details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
  3. Vendor fix Red Hat Product Security RHSA-2023:5980 · 8 productsBefore applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
  4. Vendor fix CISA ICSA-23-047-03 · 1 productUpdate to V2.15 or later version Contact customer support to obtain the update
  5. Workaround from the vendor Red Hat Product Security RHSA-2023:6818 · 1,925 productsAs mentioned in the upstream security advisory, use of the c_rehash script is considered obsolete and should be replaced by the OpenSSL rehash command line tool.
  6. Mitigation from the vendor CISA ICSA-22-221-01 · 3 productsGOT2000 compatible HMI software: Mitsubishi Electric has released a patch for these issues and recommends users update affected products to Version 1.280S or later. Users should contact Mitsubishi Electric to obtain the patch.

Advisories and patches

Detection

read 2026-10-23 19:23 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB

Sources

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Published
2022-05-03
Last Modified
2026-10-14
NVD status
Modified

Frequently asked questions

What is CVE-2022-1292?

The c_rehash script does not properly sanitise shell metacharacters to prevent command injection. This script is distributed by some operating systems in a manner where it is automatically executed. On such operating systems, an attacker could execute arbitrary commands with the privileges of the script. Use of the c_rehash script is considered obsolete and should be replaced by the OpenSSL rehash command line tool. Fixed in OpenSSL 3.0.3 (Affected 3.0.0,3.0.1,3.0.2). Fixed in OpenSSL 1.1.1o (Affected 1.1.1-1.1.1n). Fixed in OpenSSL 1.0.2ze (Affected 1.0.2-1.0.2zd).

Is CVE-2022-1292 actively exploited?

Active exploitation of CVE-2022-1292 has not been confirmed. Its EPSS score was 82.6% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-1292?

CVE-2022-1292 has a CVSS v3 base score of 7.3 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.

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