high
8.1
CWE
20 668
Advisory Published
Updated

CVE-2022-29850: Input Validation

First published: Thu Aug 25 2022(Updated: )

Various Lexmark products through 2022-04-27 allow an attacker who has already compromised an affected Lexmark device to maintain persistence across reboots.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Lexmark B2236 Firmware<mslsg.081.014
Lexmark B2236
Lexmark Mb2236 Firmware<mxlsg.081.014
Lexmark Mb2236
Lexmark Ms331 Firmware<mslbd.081.014
Lexmark Ms331
Lexmark Ms431 Firmware<mslbd.081.014
Lexmark Ms431
Lexmark M1342 Firmware<mslbd.081.014
Lexmark M1342
Lexmark B3442 Firmware<mslbd.081.014
Lexmark B3442
Lexmark B3340 Firmware<mslbd.081.014
Lexmark B3340
Lexmark Xm1342 Firmware<mslbd.081.014
Lexmark Xm1342
Lexmark Mx331 Firmware<mxlbd.081.014
Lexmark Mx331
Lexmark Mx431 Firmware<mxlbd.081.014
Lexmark Mx431
Lexmark Mb3442 Firmware<mxlbd.081.014
Lexmark Mb3442
Lexmark Ms321 Firmware<msngm.081.014
Lexmark Ms321
Lexmark Ms421 Firmware<msngm.081.014
Lexmark Ms421
Lexmark Ms521 Firmware<msngm.081.014
Lexmark Ms521
Lexmark Ms621 Firmware<msngm.081.014
Lexmark Ms621
Lexmark M1242 Firmware<msngm.081.014
Lexmark M1242
Lexmark M1246 Firmware<msngm.081.014
Lexmark M1246
Lexmark B2338 Firmware<msngm.081.014
Lexmark B2338
Lexmark B2442 Firmware<msngm.081.014
Lexmark B2442
Lexmark B2546 Firmware<msngm.081.014
Lexmark B2546
Lexmark B2650 Firmware<msngm.081.014
Lexmark B2650
Lexmark Ms622 Firmware<mstgm.081.014
Lexmark Ms622
Lexmark M3250 Firmware<mstgm.081.014
Lexmark M3250
Lexmark Mx321 Firmware<mxngm.081.014
Lexmark Mx321
Lexmark Mx421 Firmware<mxtgm.081.014
Lexmark Mx421
Lexmark Mx521 Firmware<mxtgm.081.014
Lexmark Mx521
Lexmark Mx522 Firmware<mxtgm.081.014
Lexmark Mx522
Lexmark Mx622 Firmware<mxtgm.081.014
Lexmark Mx622
Lexmark Xm1242 Firmware<mxtgm.081.014
Lexmark Xm1242
Lexmark Xm1246 Firmware<mxtgm.081.014
Lexmark Xm1246
Lexmark Xm3250 Firmware<mxtgm.081.014
Lexmark Xm3250
Lexmark Mb2442 Firmware<mxtgm.081.014
Lexmark Mb2442
Lexmark Mb2546 Firmware<mxtgm.081.014
Lexmark Mb2546
Lexmark Mb2650 Firmware<mxtgm.081.014
Lexmark Mb2650
Lexmark Ms725 Firmware<msngw.081.014
Lexmark Ms725
Lexmark Ms821 Firmware<msngw.081.014
Lexmark Ms821
Lexmark Ms823 Firmware<msngw.081.014
Lexmark Ms823
Lexmark Ms825 Firmware<msngw.081.014
Lexmark Ms825
Lexmark B2865 Firmware<msngw.081.014
Lexmark B2865
Lexmark Ms822 Firmware<mstgw.081.014
Lexmark Ms822
Lexmark Ms826 Firmware<mstgw.081.014
Lexmark Ms826
Lexmark M5255 Firmware<mstgw.081.014
Lexmark M5255
Lexmark M5270 Firmware<mstgw.081.014
Lexmark M5270
Lexmark Mx721 Firmware<mxtgw.081.014
Lexmark Mx721
Lexmark Mx722 Firmware<mxtgw.081.014
Lexmark Mx722
Lexmark Mx822 Firmware<mxtgw.081.014
Lexmark Mx822
Lexmark Mx826 Firmware<mxtgw.081.014
Lexmark Mx826
Lexmark Xm5365 Firmware<mxtgw.081.014
Lexmark Xm5365
Lexmark Xm7355 Firmware<mxtgw.081.014
Lexmark Xm7355
Lexmark Xm7370 Firmware<mxtgw.081.014
Lexmark Xm7370
Lexmark Mb2770 Firmware<mxtgw.081.014
Lexmark Mb2770
Lexmark C3426 Firmware<cslbn.081.014
Lexmark C3426
Lexmark Cs431 Firmware<cslbn.081.014
Lexmark Cs431
Lexmark Cs439 Firmware<cslbn.081.014
Lexmark Cs439
Lexmark Cs331 Firmware<cslbn.081.014
Lexmark Cs331
Lexmark C3224 Firmware<cslbn.081.014
Lexmark C3224
Lexmark C3326 Firmware<cslbn.081.014
Lexmark C3326
Lexmark C2326 Firmware<cslbn.081.014
Lexmark C2326
Lexmark Mc3426 Firmware<cxlbn.081.014
Lexmark Mc3426
Lexmark Cx431 Firmware<cxlbn.081.014
Lexmark CX Series
Lexmark Xc2326 Firmware<cxlbn.081.014
Lexmark Xc2326
Lexmark Mc3224 Firmware<cxlbl.081.014
Lexmark MC3224
Lexmark Mc3326 Firmware<cxlbl.081.014
Lexmark Mc3326
Lexmark CX331adwe<cxlbl.081.014
Lexmark CX331adwe
Lexmark Cs622 Firmware<cstzj.081.014
Lexmark Cs622
Lexmark C2240 Firmware<cstzj.081.014
Lexmark C2240
Lexmark Cs421 Firmware<csnzj.081.014
Lexmark Cs421
Lexmark Cs521 Firmware<csnzj.081.014
Lexmark Cs521
Lexmark C2325 Firmware<csnzj.081.014
Lexmark C2325
Lexmark C2425 Firmware<csnzj.081.014
Lexmark C2425
Lexmark C2535 Firmware<csnzj.081.014
Lexmark C2535
Lexmark Cx522 Firmware<cxtzj.081.014
Lexmark CX Series
Lexmark Cx622 Firmware<cxtzj.081.014
Lexmark Cx622
Lexmark Cx625 Firmware<cxtzj.081.014
Lexmark Cx625
Lexmark Xc2235 Firmware<cxtzj.081.014
Lexmark Xc2235
Lexmark Xc4240 Firmware<cxtzj.081.014
Lexmark Xc4240
Lexmark Mc2535 Firmware<cxtzj.081.014
Lexmark Mc2535
Lexmark Mc2640 Firmware<cxtzj.081.014
Lexmark Mc2640
Lexmark Cx421 Firmware<cxnzj.081.014
Lexmark CX Series
Lexmark Mc2325 Firmware<cxnzj.081.014
Lexmark Mc2325
Lexmark Mc2425 Firmware<cxnzj.081.014
Lexmark Mc2425
Lexmark Cx820 Firmware<cxtpp.081.014
Lexmark Cx820
Lexmark Cx825 Firmware<cxtpp.081.014
Lexmark Cx825
Lexmark Cs827 Firmware<cxtpp.081.014
Lexmark Cs827
Lexmark Cx860 Firmware<cxtpp.081.014
Lexmark Cx860
Lexmark Xc6152 Firmware<cxtpp.081.014
Lexmark Xc6152
Lexmark Xc6153 Firmware<cxtpp.081.014
Lexmark Xc6153
Lexmark Xc8155 Firmware<cxtpp.081.014
Lexmark Xc8155
Lexmark Xc8160 Firmware<cxtpp.081.014
Lexmark Xc8160
Lexmark Xc8163 Firmware<cxtpp.081.014
Lexmark Xc8163
Lexmark Cs820 Firmware<cstpp.081.014
Lexmark Cs820
Lexmark Cs827 Firmware<cstpp.081.014
Lexmark C6160 Firmware<cstpp.081.014
Lexmark C6160
Lexmark Cs720 Firmware<cstat.081.014
Lexmark Cs720
Lexmark Cs725 Firmware<cstat.081.014
Lexmark Cs725
Lexmark Cs727 Firmware<cstat.081.014
Lexmark Cs727
Lexmark Cs728 Firmware<cstat.081.014
Lexmark Cs728
Lexmark C4150 Firmware<cstat.081.014
Lexmark C4150
Lexmark Cx725 Firmware<cxtat.081.014
Lexmark Cx725
Lexmark Cx727 Firmware<cxtat.081.014
Lexmark Cx727
Lexmark Xc4140 Firmware<cxtat.081.014
Lexmark Xc4140
Lexmark Xc4143 Firmware<cxtat.081.014
Lexmark Xc4143
Lexmark Xc4150 Firmware<cxtat.081.014
Lexmark Xc4150
Lexmark Xc4153 Firmware<cxtat.081.014
Lexmark Xc4153
Lexmark Cs921 Firmware<cstmh.081.014
Lexmark Cs921
Lexmark Cs923 Firmware<cstmh.081.014
Lexmark Cs923
Lexmark Cs927 Firmware<cstmh.081.014
Lexmark Cs927
Lexmark C9235 Firmware<cstmh.081.014
Lexmark C9235
Lexmark Cx920 Firmware<cxtmh.081.014
Lexmark CX Series
Lexmark Cx921 Firmware<cxtmh.081.014
Lexmark Cx921
Lexmark Cx922 Firmware<cxtmh.081.014
Lexmark Cx922
Lexmark Cx923 Firmware<cxtmh.081.014
Lexmark Cx923
Lexmark Cx924 Firmware<cxtmh.081.014
Lexmark Cx924
Lexmark Xc9225 Firmware<cxtmh.081.014
Lexmark Xc9225
Lexmark Xc9235 Firmware<cxtmh.081.014
Lexmark Xc9235
Lexmark Xc9245 Firmware<cxtmh.081.014
Lexmark Xc9245
Lexmark Xc9255 Firmware<cxtmh.081.014
Lexmark Xc9255
Lexmark Xc9265 Firmware<cxtmh.081.014
Lexmark Xc9265

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2022-29850?

    The severity of CVE-2022-29850 has been classified as important, indicating a significant risk to affected devices.

  • How do I fix CVE-2022-29850?

    To remediate CVE-2022-29850, users should update the firmware to the latest version provided by Lexmark.

  • Which Lexmark products are affected by CVE-2022-29850?

    CVE-2022-29850 affects various Lexmark products, including specific models of B2236, Mb2236, Ms331, Ms431, and M1342 firmware versions prior to the fixes.

  • Can CVE-2022-29850 lead to further compromises?

    Yes, CVE-2022-29850 allows an attacker to maintain persistence across device reboots, potentially leading to further compromises.

  • What action should I take if my Lexmark device is vulnerable to CVE-2022-29850?

    If your Lexmark device is vulnerable to CVE-2022-29850, it is crucial to apply the latest firmware updates as soon as possible.

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