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Cybersecurity and Infrastructure Security Agency (CISA)

You are subscribed to Cybersecurity Advisories for Cybersecurity and Infras= tructure Security Agency. This information has recently been updated and is=
now available.=C2=A0

CISA Adds Five Known Exploited Vulnerabilities to Catalog [ https://www.cis= a.gov/news-events/alerts/2026/03/05/cisa-adds-five-known-exploited-vulnerab= ilities-catalog ] 03/05/2026 02:30 PM EST=20

CISA has added five new vulnerabilities to its Known Exploited Vulnerabilit= ies (KEV) Catalog [ https://www.cisa.gov/known-exploited-vulnerabilities-ca= talog ], based on evidence of active exploitation.


* CVE-2017-7921 [ https://www.cve.org/CVERecord?id=3DCVE-2017-7921 ]=C2= =A0Hikvision Multiple Products Improper Authentication Vulnerability=20
* CVE-2021-22681 [ https://www.cve.org/CVERecord?id=3DCVE-2021-22681 ]=C2= =A0Rockwell Multiple Products Insufficient Protected Credentials Vulnerabil= ity=20
* CVE-2021-30952 [ https://www.cve.org/CVERecord?id=3DCVE-2021-30952 ]=C2= =A0Apple Multiple Products Integer Overflow or Wraparound Vulnerability=20
* CVE-2023-41974 [ https://www.cve.org/CVERecord?id=3DCVE-2023-41974 ]=C2= =A0Apple iOS and iPadOS Use-After-Free Vulnerability=20
* CVE-2023-43000 [ https://www.cve.org/CVERecord?id=3DCVE-2023-43000 ]=C2= =A0Apple Multiple products Use-After-Free Vulnerability=20

These types of vulnerabilities are frequent attack vectors for malicious cy= ber actors and pose significant risks to the federal enterprise.

Binding Operational Directive (BOD) 22-01: Reducing the Significant Risk of=
Known Exploited Vulnerabilities [ https://www.cisa.gov/binding-operational= -directive-22-01 ] established the KEV Catalog as a living list of known Co= mmon Vulnerabilities and Exposures (CVEs) that carry significant risk to th=
e federal enterprise. BOD 22-01 requires Federal Civilian Executive Branch = (FCEB) agencies to remediate identified vulnerabilities by the due date to = protect FCEB networks against active threats. See the BOD 22-01 Fact Sheet =
[ https://www.cisa.gov/sites/default/files/publications/Reducing_the_Signif= icant_Risk_of_Known_Exploited_Vulnerabilities_211103.pdf ] for more informa= tion.

Although BOD 22-01 only applies to FCEB agencies, CISA strongly urges all o= rganizations to reduce their exposure to cyberattacks by prioritizing timel=
y remediation of KEV Catalog vulnerabilities [ https://www.cisa.gov/known-e= xploited-vulnerabilities-catalog ] as part of their vulnerability managemen=
t practice. CISA will continue to add vulnerabilities to the catalog that m= eet the specified criteria [ https://www.cisa.gov/known-exploited-vulnerabi= lities ].=C2=A0

This product is provided subject to this=C2=A0Notification [ https://www.ci= sa.gov/notification ]=C2=A0and this=C2=A0Privacy & Use [ https://www.cisa.g= ov/privacy-policy ]=C2=A0policy.

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Having trouble viewing this message?=C2=A0View it as a webpage [ https://co= ntent.govdelivery.com/accounts/USDHSCISA/bulletins/40cdd65 ].=C2=A0 [ https= ://content.govdelivery.com/accounts/USDHS/bulletins/292141e ]

You are subscribed to updates from the Cybersecurity and Infrastructure Sec= urity Agency [ https://www.cisa.gov ] (CISA)
Manage Subscriptions [ https://public.govdelivery.com/accounts/USDHSCISA/su= bscriber/edit?preferences=3Dtrue#tab1 ]=C2=A0=C2=A0|=C2=A0=C2=A0Privacy Pol= icy [ https://www.cisa.gov/privacy-policy ]=C2=A0=C2=A0|=C2=A0 Help [ https= ://subscriberhelp.granicus.com/s/article/Subscriber-Help-Center ] [ https:/= /insights.govdelivery.com/Communications/Subscriber_Help_Center ]

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<title> CISA Adds Five Known Exploited Vulnerabilities to Catalog
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<p><img src=3D"https://content.govdelivery.com/attachments/fancy_images/U= SDHSCISA/2020/06/3486054/05152023-gov-delivery-banner-copy_original.png" al= t=3D"Cybersecurity and Infrastructure Security Agency (CISA)" title=3D"" wi= dth=3D"600" height=3D"100"></p>
<p>You are subscribed to Cybersecurity Advisories for Cybersecurity and I= nfrastructure Security Agency. This information has recently been updated a=
nd is now available.=C2=A0</p>
<div class=3D"rss_item" style=3D"margin-bottom: 2em;">
<div class=3D"rss_title" style=3D"font-weight: bold; font-size: 120%; margi=
n: 0 0 0.3em; padding: 0;"><a href=3D"https://www.cisa.gov/news-events/aler= ts/2026/03/05/cisa-adds-five-known-exploited-vulnerabilities-catalog" targe= t=3D"_blank" title=3D"CISA Adds Five Known Exploited Vulnerabilities to Cat= alog" rel=3D"noopener">CISA Adds Five Known Exploited Vulnerabilities to Ca= talog</a></div>
<div class=3D"rss_pub_date" style=3D"font-size: 90%; font-style: italic; co= lor: #666666; margin: 0 0 0.3em; padding: 0;">03/05/2026 02:30 PM EST</div> <div class=3D"rss_description" style=3D"margin: 0 0 0.3em; padding: 0;"> <p>CISA has added five new vulnerabilities to its <a href=3D"https://www.ci= sa.gov/known-exploited-vulnerabilities-catalog" title=3D"Known Exploited Vu= lnerabilities Catalog" data-entity-type=3D"node" data-entity-uuid=3D"79453b= 83-86b9-4e2f-b1ec-abf73c6eb291" data-entity-substitution=3D"canonical">Know=
n Exploited Vulnerabilities (KEV) Catalog</a>, based on evidence of active = exploitation.</p>


<a href=3D"https://www.cve.org/CVERecord?id=3DCVE-2017-7921" target=3D"_bla= nk" title=3D"CVE-2017-7921" class=3D"ext" data-extlink=3D"" rel=3D"noopener= ">CVE-2017-7921</a><span>=C2=A0</span>Hikvision Multiple Products Improper = Authentication Vulnerability</li>

<a href=3D"https://www.cve.org/CVERecord?id=3DCVE-2021-22681" target=3D"_bl= ank" title=3D"CVE-2021-22681" class=3D"ext" data-extlink=3D"" rel=3D"noopen= er">CVE-2021-22681</a><span>=C2=A0</span>Rockwell Multiple Products Insuffi= cient Protected Credentials Vulnerability</li>

<a href=3D"https://www.cve.org/CVERecord?id=3DCVE-2021-30952" target=3D"_bl= ank" title=3D"CVE-2021-30952" class=3D"ext" data-extlink=3D"" rel=3D"noopen= er">CVE-2021-30952</a><span>=C2=A0</span>Apple Multiple Products Integer Ov= erflow or Wraparound Vulnerability</li>

<a href=3D"https://www.cve.org/CVERecord?id=3DCVE-2023-41974" target=3D"_bl= ank" title=3D"CVE-2023-41974" class=3D"ext" data-extlink=3D"" rel=3D"noopen= er">CVE-2023-41974</a><span>=C2=A0</span>Apple iOS and iPadOS Use-After-Fre=
e Vulnerability</li>

<a href=3D"https://www.cve.org/CVERecord?id=3DCVE-2023-43000" target=3D"_bl= ank" title=3D"CVE-2023-43000" class=3D"ext" data-extlink=3D"" rel=3D"noopen= er">CVE-2023-43000</a><span>=C2=A0</span>Apple Multiple products Use-After-= Free Vulnerability</li>
</ul>
<p>These types of vulnerabilities are frequent attack vectors for malicious=
cyber actors and pose significant risks to the federal enterprise.</p>
<p><a href=3D"https://www.cisa.gov/binding-operational-directive-22-01" tar= get=3D"_blank" title=3D"Binding Operational Directive (BOD) 22-01: Reducing=
the Significant Risk of Known Exploited Vulnerabilities" rel=3D"noopener">= Binding Operational Directive (BOD) 22-01: Reducing the Significant Risk of=
Known Exploited Vulnerabilities</a> established the KEV Catalog as a livin=
g list of known Common Vulnerabilities and Exposures (CVEs) that carry sign= ificant risk to the federal enterprise. BOD 22-01 requires Federal Civilian=
Executive Branch (FCEB) agencies to remediate identified vulnerabilities b=
y the due date to protect FCEB networks against active threats. See the <a = href=3D"https://www.cisa.gov/sites/default/files/publications/Reducing_the_= Significant_Risk_of_Known_Exploited_Vulnerabilities_211103.pdf" target=3D"_= blank" title=3D"BOD 22-01 Fact Sheet" rel=3D"noopener">BOD 22-01 Fact Sheet=
</a> for more information.</p>
<p>Although BOD 22-01 only applies to FCEB agencies, CISA strongly urges al=
l organizations to reduce their exposure to cyberattacks by prioritizing ti= mely remediation of <a href=3D"https://www.cisa.gov/known-exploited-vulnera= bilities-catalog" title=3D"Known Exploited Vulnerabilities Catalog" data-en= tity-type=3D"node" data-entity-uuid=3D"79453b83-86b9-4e2f-b1ec-abf73c6eb291=
" data-entity-substitution=3D"canonical">KEV Catalog vulnerabilities</a> as=
part of their vulnerability management practice. CISA will continue to add=
vulnerabilities to the catalog that meet the <a href=3D"https://www.cisa.g= ov/known-exploited-vulnerabilities" target=3D"_blank" title=3D"specified cr= iteria" data-entity-type=3D"node" data-entity-uuid=3D"f2adba9a-0404-494c-a9= 0c-4363a4a5c934" data-entity-substitution=3D"canonical" rel=3D"noopener">sp= ecified criteria</a>.=C2=A0</p>
<p><span>This product is provided subject to this=C2=A0</span><a href=3D"ht= tps://www.cisa.gov/notification" target=3D"_blank" title=3D"Notification" r= el=3D"noopener">Notification</a><span>=C2=A0and this=C2=A0</span><a href=3D= "https://www.cisa.gov/privacy-policy" target=3D"_blank" title=3D"Privacy &a= mp; Use" rel=3D"noopener">Privacy &amp; Use</a><span>=C2=A0policy.</span></=

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