{"id":"CVE-2022-23968","aliases":["EUVD-2022-28884","GHSA-4749-xq6x-59v3"],"status":"published","title":"Xerox VersaLink devices on specific versions of firmware before 2022-01-26 allow remote attackers...","description":"Xerox VersaLink devices on specific versions of firmware before 2022-01-26 allow remote attackers to brick the device via a crafted TIFF file in an unauthenticated HTTP POST request. There is a permanent denial of service because image parsing causes a reboot, but image parsing is restarted as soon as the boot process finishes. However, this boot loop can be resolved by a field technician. The TIFF file must have an incomplete Image Directory. Affected firmware versions include xx.42.01 and xx.50.61. NOTE: the 2022-01-24 NeoSmart article included \"believed to affect all previous and later versions as of the date of this posting\" but a 2022-01-26 vendor statement reports \"the latest versions of firmware are not vulnerable to this issue.\"","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01911,"percentile":0.79943,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-835"],"published":"2022-01-26T05:01:51Z","modified":"2026-06-17T04:31:04Z","products":[{"vendor":"xerox","product":"versalink_firmware"}],"references":[{"url":"https://neosmart.net/blog/2022/xerox-vulnerability-allows-unauthenticated-network-users-to-remotely-brick-printers/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://twitter.com/mqudsi/status/1485756915187695618","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-23968"},{"url":"https://github.com/advisories/GHSA-4749-xq6x-59v3"}],"sources":{"cve":[{"id":"CVE-2022-23968","description":"Xerox VersaLink devices on specific versions of firmware before 2022-01-26 allow remote attackers to brick the device via a crafted TIFF file in an unauthenticated HTTP POST request. There is a permanent denial of service because image parsing causes a reboot, but image parsing is restarted as soon as the boot process finishes. However, this boot loop can be resolved by a field technician. The TIFF file must have an incomplete Image Directory. Affected firmware versions include xx.42.01 and xx.50.61. NOTE: the 2022-01-24 NeoSmart article included \"believed to affect all previous and later versions as of the date of this posting\" but a 2022-01-26 vendor statement reports \"the latest versions of firmware are not vulnerable to this issue.\"","status":"published","published":"2022-01-26T05:01:51Z","modified":"2024-08-03T03:59:23.128Z","updated_at":"2026-11-02T14:34:29.842547Z"}],"euvd":[{"id":"EUVD-2022-28884","description":"Xerox VersaLink devices on specific versions of firmware before 2022-01-26 allow remote attackers to brick the device via a crafted TIFF file in an unauthenticated HTTP POST request. There is a permanent denial of service because image parsing causes a reboot, but image parsing is restarted as soon as the boot process finishes. However, this boot loop can be resolved by a field technician. The TIFF file must have an incomplete Image Directory. Affected firmware versions include xx.42.01 and xx.50.61. NOTE: the 2022-01-24 NeoSmart article included \"believed to affect all previous and later versions as of the date of this posting\" but a 2022-01-26 vendor statement reports \"the latest versions of firmware are not vulnerable to this issue.\"","status":"published","published":"2022-01-26T05:01:51Z","modified":"2024-08-03T03:59:23Z","updated_at":"2026-11-03T03:25:50.168269Z"}],"ghsa":[{"id":"GHSA-4749-xq6x-59v3","title":"Xerox VersaLink devices on specific versions of firmware before 2022-01-26 allow remote attackers...","description":"Xerox VersaLink devices on specific versions of firmware before 2022-01-26 allow remote attackers to brick the device via a crafted TIFF file in an unauthenticated HTTP POST request. There is a permanent denial of service because image parsing causes a reboot, but image parsing is restarted as soon as the boot process finishes. However, this boot loop can be resolved by a field technician. The TIFF file must have an incomplete Image Directory. Affected firmware versions include xx.42.01 and xx.50.61. NOTE: the 2022-01-24 NeoSmart article included \"believed to affect all previous and later versions as of the date of this posting\" but a 2022-01-26 vendor statement reports \"the latest versions of firmware are not vulnerable to this issue.\"","status":"published","published":"2022-01-27T00:01:34Z","modified":"2023-02-03T05:05:11Z","cwes":["CWE-835"],"updated_at":"2026-11-02T14:53:41.929217Z"}],"nvd":[{"id":"CVE-2022-23968","description":"Xerox VersaLink devices on specific versions of firmware before 2022-01-26 allow remote attackers to brick the device via a crafted TIFF file in an unauthenticated HTTP POST request. There is a permanent denial of service because image parsing causes a reboot, but image parsing is restarted as soon as the boot process finishes. However, this boot loop can be resolved by a field technician. The TIFF file must have an incomplete Image Directory. Affected firmware versions include xx.42.01 and xx.50.61. NOTE: the 2022-01-24 NeoSmart article included \"believed to affect all previous and later versions as of the date of this posting\" but a 2022-01-26 vendor statement reports \"the latest versions of firmware are not vulnerable to this issue.\"","status":"published","published":"2022-01-26T06:15:06.843Z","modified":"2026-06-17T04:31:04.11Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-835"],"updated_at":"2026-11-02T14:07:11.52734Z"}]}}
