SARA / Free Tools / CVE / CVE-2023-20238

CVE-2023-20238 — A vulnerability in the single sign-on (SSO) implementation of Cisco BroadWorks A

CVSS

10.0 CRITICAL

EPSS

30.71% (top 3.30%)

CWE

CWE-287

Published

2023-09-06T17:08:28.178Z

Last modified

2025-12-16T18:23:20.786Z

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

01What is this vulnerability?

A vulnerability in the single sign-on (SSO) implementation of Cisco BroadWorks Application Delivery Platform and Cisco BroadWorks Xtended Services Platform could allow an unauthenticated, remote attacker to forge the credentials required to access an affected system. This vulnerability is due to the method used to validate SSO tokens. An attacker could exploit this vulnerability by authenticating…

02Affected products

Vendor	Product	Versions
Cisco	Cisco BroadWorks	23.0, 23.0 ap383785, 23.0 ap382487, 23.0 ap381781, 23.0 ap360007, 23.0 ap369295, 23.0 ap366358, 23.0 ap366677, 23.0 ap366803, 23.0 ap363128, 23.0 ap369529, 23.0 ap368445, 23.0 ap369227, 23.0 ap367332, 23.0 ap369881, 23.0 ap367874, 23.0 ap367974, 23.0 ap367998, 23.0 ap372337, 23.0 ap372706, 23.0 ap370193, 23.0 ap372389, 23.0 ap372708, 23.0 ap370911, 23.0 ap371681, 23.0 ap370952, 23.0 ap371436, 23.0 ap371155, 23.0 ap371682, 23.0 ap371775, 23.0 ap375449, 23.0 ap375720, 23.0 ap375661, 23.0 ap375097, 23.0 ap373562, 23.0 ap373015, 23.0 ap374971, 23.0 ap373034, 23.0 ap374324, 23.0 ap373899, 23.0 ap376041, 23.0 ap375003, 23.0 ap373539, 23.0 ap376179, 23.0 ap373299, 23.0 ap375908, 23.0 ap373391, 23.0 ap376252, 23.0 ap376429, 23.0 ap376410, 23.0 ap376426, 23.0 ap376485, 23.0 ap376620, 23.0 ap378025, 23.0 ap376671, 23.0 ap376614, 23.0 ap377578, 23.0 ap377516, 23.0 ap377515, 23.0 ap377494, 23.0 ap377984, 23.0 ap378863, 23.0 ap378882, 23.0 ap378218, 23.0 ap380161, 23.0 ap378257, 23.0 ap379888, 23.0 ap379326, 23.0 ap377149, 23.0 ap380446, 23.0 ap380180, 23.0 ap376935, 23.0 ap380473, 23.0 ap381091, 23.0 ap380783, 23.0 ap380537, 23.0 ap380512, 23.0 ap381072, 23.0 ap381584, 23.0 ap381088, 23.0 ap382053, 23.0 ap382253, 23.0 ap382709, 23.0 ap382717, 23.0 ap381498, 23.0 ap382992, 23.0 ap383594, 23.0 ap383168, 23.0 ap382362, 23.0 ap384431, 23.0 ap384428, 22.0, 22.0 ap375345, 22.0 ap382358, 22.0 ap347741, 22.0 ap377577, 22.0 ap372243, 22.0 ap372504, 22.0 ap360116, 22.0 ap368125, 22.0 ap367732, 22.0 ap357506, 22.0 ap380486, 22.0 ap379780, 22.0 ap351263, 22.0 ap366916, 22.0 ap363363, 22.0 ap374507, 22.0 ap372845, 22.0 ap373684, 22.0 ap366898, 22.0 ap368180, 22.0 ap366882, 22.0 ap369774, 22.0 ap374269, 22.0 ap365223, 22.0 ap359972, 22.0 ap359433, 22.0 ap359991, 22.0 ap358357, 22.0 ap360244, 22.0 ap369931, 22.0 ap367874, 22.0 ap376710, 22.0 ap342836, 22.0 ap346307, 22.0 ap345032, 22.0 ap354070, 22.0 ap354069, 22.0 ap353915, 22.0 ap349201, 22.0 ap350217, 22.0 ap350179, 22.0 ap354313, 22.0 ap354098, 22.0 ap353975, 22.0 ap348945, 22.0 ap354090, 22.0 ap350573, 22.0 ap352516, 22.0 ap352109, 22.0 ap353384, 22.0 ap353490, 22.0 ap352962, 22.0 ap352703, 22.0 ap353418, 22.0 ap351700, 22.0 ap352205, 22.0 ap353360, 22.0 ap352932, 22.0 ap354921, 22.0 ap352726, 22.0 ap355757, 22.0 ap352972, 22.0 ap353577, 22.0 ap356603, 22.0 ap355894, 22.0 ap355385, 22.0 ap353311, 22.0 ap355300, 22.0 ap355083, 22.0 ap357047, 22.0 ap353681, 22.0 ap356848, 22.0 ap356706, 22.0 ap356474, 22.0 ap355091, 22.0 ap354785, 22.0 ap355905, 22.0 ap355365, 22.0 ap356359, 22.0 ap356434, 22.0 ap354936, 22.0 ap355285, 22.0 ap355674, 22.0 ap355922, 22.0 ap354597, 22.0 ap356458, 22.0 ap356140, 22.0 ap354413, 22.0 ap357400, 22.0 ap357632, 22.0 ap356390, 22.0 ap357607, 22.0 ap357447, 22.0 ap357560, 22.0 ap357645, 22.0 ap357768, 22.0 ap357859, 22.0 ap357769, 22.0 ap358469, 22.0 ap359049, 22.0 ap358971, 22.0 ap358246, 22.0 ap358234, 22.0 ap359156, 22.0 ap359549, 22.0 ap358454, 22.0 ap358563, 22.0 ap360250, 22.0 ap360564, 22.0 ap358887, 22.0 ap359470, 22.0 ap359465, 22.0 ap359748, 22.0 ap360817, 22.0 ap360201, 22.0 ap361153, 22.0 ap360904, 22.0 ap359644, 22.0 ap359765, 22.0 ap360912, 22.0 ap360184, 22.0 ap361520, 22.0 ap362771, 22.0 ap361445, 22.0 ap361560, 22.0 ap362848, 22.0 ap361559, 22.0 ap361820, 22.0 ap361533, 22.0 ap362163, 22.0 ap362001, 22.0 ap362276, 22.0 ap362490, 22.0 ap361154, 22.0 ap362799, 22.0 ap363815, 22.0 ap362328, 22.0 ap363332, 22.0 ap368026, 22.0 ap363521, 22.0 ap364199, 22.0 ap363568, 22.0 ap363759, 22.0 ap363596, 22.0 ap366701, 22.0 ap366174, 22.0 ap363729, 22.0 ap363770, 22.0 ap366358, 22.0 ap366744, 22.0 ap366180, 22.0 ap366649, 22.0 ap365172, 22.0 ap365115, 22.0 ap366656, 22.0 ap364521, 22.0 ap364844, 22.0 ap364781, 22.0 ap365146, 22.0 ap364797, 22.0 ap364932, 22.0 ap365545, 22.0 ap365800, 22.0 ap365173, 22.0 ap364473, 22.0 ap365400, 22.0 ap367396, 22.0 ap365632, 22.0 ap365905, 22.0 ap367109, 22.0 ap365449, 22.0 ap365685, 22.0 ap367434, 22.0 ap365597, 22.0 ap365801, 22.0 ap365730, 22.0 ap365758, 22.0 ap365920, 22.0 ap371313, 22.0 ap367291, 22.0 ap365727, 22.0 ap367524, 22.0 ap371587, 22.0 ap367453, 22.0 ap365601, 22.0 ap365779, 22.0 ap371871, 22.0 ap371437, 22.0 ap372043, 22.0 ap372016, 22.0 ap367367, 22.0 ap372072, 22.0 ap372177, 22.0 ap371681, 22.0 ap372354, 22.0 ap371656, 22.0 ap371033, 22.0 ap371583, 22.0 ap371911, 22.0 ap371467, 22.0 ap372371, 22.0 ap368695, 22.0 ap368913, 22.0 ap368987, 22.0 ap372024, 22.0 ap372152, 22.0 ap371961, 22.0 ap369674, 22.0 ap369173, 22.0 ap369863, 22.0 ap369641, 22.0 ap368604, 22.0 ap368087, 22.0 ap368216, 22.0 ap369934, 22.0 ap368326, 22.0 ap369219, 22.0 ap369227, 22.0 ap368422, 22.0 ap369881, 22.0 ap369550, 22.0 ap369668, 22.0 ap369571, 22.0 ap372433, 22.0 ap370654, 22.0 ap370138, 22.0 ap370615, 22.0 ap372643, 22.0 ap372708, 22.0 ap370590, 22.0 ap372390, 22.0 ap372757, 22.0 ap370636, 22.0 ap372750, 22.0 ap372706, 22.0 ap370269, 22.0 ap370180, 22.0 ap370675, 22.0 ap370737, 22.0 ap370424, 22.0 ap370544, 22.0 ap374339, 22.0 ap370459, 22.0 ap370545, 22.0 ap370389, 22.0 ap374803, 22.0 ap370358, 22.0 ap373539, 22.0 ap373118, 22.0 ap373855, 22.0 ap373820, 22.0 ap373438, 22.0 ap374660, 22.0 ap373018, 22.0 ap373954, 22.0 ap374230, 22.0 ap374330, 22.0 ap374460, 22.0 ap372956, 22.0 ap373111, 22.0 ap374114, 22.0 ap373122, 22.0 ap373108, 22.0 ap374356, 22.0 ap375069, 22.0 ap373899, 22.0 ap374971, 22.0 ap375862, 22.0 ap375354, 22.0 ap375688, 22.0 ap373046, 22.0 ap373452, 22.0 ap374334, 22.0 ap374428, 22.0 ap374596, 22.0 ap372963, 22.0 ap376041, 22.0 ap376410, 22.0 ap376298, 22.0 ap372799, 22.0 ap376181, 22.0 ap375090, 22.0 ap376416, 22.0 ap373098, 22.0 ap375937, 22.0 ap376531, 22.0 ap375465, 22.0 ap376100, 22.0 ap375634, 22.0 ap375091, 22.0 ap375018, 22.0 ap375743, 22.0 ap375383, 22.0 ap375719, 22.0 ap376614, 22.0 ap376541, 22.0 ap375685, 22.0 ap374895, 22.0 ap376429, 22.0 ap379838, 22.0 ap380187, 22.0 ap380143, 22.0 ap379972, 22.0 ap380535, 22.0 ap380117, 22.0 ap380473, 22.0 ap375924, 22.0 ap379833, 22.0 ap376661, 22.0 ap380041, 22.0 ap380391, 22.0 ap379795, 22.0 ap376701, 22.0 ap376668, 22.0 ap377384, 22.0 ap377480, 22.0 ap377581, 22.0 ap376652, 22.0 ap376620, 22.0 ap378405, 22.0 ap377494, 22.0 ap378440, 22.0 ap378581, 22.0 ap377307, 22.0 ap377566, 22.0 ap378585, 22.0 ap377149, 22.0 ap378471, 22.0 ap377412, 22.0 ap377068, 22.0 ap377757, 22.0 ap378332, 22.0 ap379016, 22.0 ap378866, 22.0 ap378079, 22.0 ap378509, 22.0 ap378953, 22.0 ap377779, 22.0 ap379008, 22.0 ap379694, 22.0 ap379597, 22.0 ap378882, 22.0 ap379389, 22.0 ap379487, 22.0 ap379374, 22.0 ap380771, 22.0 ap381594, 22.0 ap381243, 22.0 ap380629, 22.0 ap380751, 22.0 ap382158, 22.0 ap378999, 22.0 ap381136, 22.0 ap382240, 22.0 ap382362, 22.0 ap382192, 22.0 ap381091, 22.0 ap382251, 22.0 ap381732, 22.0 ap381584, 22.0 ap381118, 22.0 ap382717, 22.0 ap383569, 22.0 ap382487, 22.0 ap383002, 22.0 ap382434, 22.0 ap383170, 22.0 ap383309, 22.0 ap383514, 22.0 ap383710, 22.0 ap382977, 22.0 ap382488, 22.0 ap383134, 22.0 ap359429, 21.sp1 ap351795, 21.sp1 ap348143, 21.sp1 ap351216, 21.sp1 ap339376, 21.sp1 ap358132, 21.sp1 ap355717, 21.sp1 ap346074, 21.sp1 ap373102, 21.sp1 ap235252, 21.sp1 ap242300, 21.sp1 ap338964, 21.sp1 ap339196, 21.sp1 ap341645, 21.sp1 ap341897, 21.sp1 ap342461, 21.sp1 ap342625, 21.sp1 ap342755, 21.sp1 ap342853, 21.sp1 ap343352, 21.sp1 ap344270, 21.sp1 ap344479, 21.sp1 ap344681, 21.sp1 ap345054, 21.sp1 ap345293, 21.sp1 ap345755, 21.sp1 ap348472, 21.sp1 ap349222, 21.sp1 ap350050, 21.sp1 ap350189, 21.sp1 ap351248, 21.sp1 ap351295, 21.sp1 ap351530, 21.sp1 ap351754, 21.sp1 ap351898, 21.sp1 ap352082, 21.sp1 ap352205, 21.sp1 ap352972, 21.sp1 ap353418, 21.sp1 ap353841, 21.sp1 ap354707, 21.sp1 ap356271, 21.sp1 ap356787, 21.sp1 ap357574, 21.sp1 ap358730, 21.sp1 ap360211, 21.sp1 ap360306, 21.sp1 ap361420, 21.sp1 ap365379, 21.sp1 ap365390, 21.sp1 ap366348, 21.sp1 ap374822, 21.sp1 ap375026, 21.sp1 ap375053, 21.0 ap349066, 21.0 ap364358, 21.0 ap362637, 21.0 ap342145, 21.0 ap357571, 21.0 ap362825, 21.0 ap361559, 21.0 ap339395, 21.0 ap348945, 21.0 ap346902, 21.0 ap350308, 21.0 ap363301, 21.0 ap349850, 21.0 ap344752, 21.0 ap347640, 21.0 ap350111, 21.0 ap355616, 21.0 ap353841, 21.0 ap346128, 21.0 ap350204, 21.0 ap341897, 21.0 ap347064, 21.0 ap350032, 21.0 ap351261, 21.0 ap352182, 21.0 ap350760, 21.0 ap363408, 21.sp1 ap340545, 21.sp1 ap341683, 21.sp1 ap341909, 21.sp1 ap342214, 21.sp1 ap344301, 21.sp1 ap344783, 21.sp1 ap346270, 21.sp1 ap346351, 21.sp1 ap347928, 21.sp1 ap349517, 21.sp1 ap349090, 21.sp1 ap351315, 21.sp1 ap352304, 21.sp1 ap351738, 21.sp1 ap354194, 21.sp1 ap357347, 21.sp1 ap364778, 21.sp1 ap372422, 21.sp1 ap371281, 21.sp1 ap370908, 21.sp1 ap379493, 21.sp1 ap380506, 21.sp9 ap360116, 21.sp9 ap367207, RI.2021.02, RI.2021.08, RI.2021.09, RI.2021.10, RI.2021.11, RI.2021.12, RI.2022.02, RI.2022.03, RI.2022.04, RI.2022.07, RI.2022.06, RI.2022.05, RI.2022.08, RI.2022.09, RI.2022.10, RI.2022.12, RI.2023.01, RI.2023.03, RI.2023.02, RI.2023.04, RI.2023.05, RI.2023.07

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

Patch to a fixed version listed in the vendor advisory (see references below).
Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

Published: 2023-09-06T17:08:28.178Z
Last modified: 2025-12-16T18:23:20.786Z

09References

sec.cloudapps.cisco.com — https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/ci…

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