CVE-2023-38060 [Medium] | Input Validation Bypass in Otrs

Improper Input Validation vulnerability in the ContentType parameter for attachments on TicketCreate or TicketUpdate operations of the OTRS Generic Interface modules allows any authenticated attacker to to perform an host header injection for the ContentType header of the attachment. This issue affects OTRS: from 7.0.X before 7.0.45, from 8.0.X before 8.0.35; ((OTRS)) Community Edition: from 6.0.1 through 6.0.34.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-06-15	0.19%	0.57%	+0.38%
2	2025-11-21	1.88%	0.19%	-1.69%
3	2025-11-18	—	1.88%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-06-15

0.19%

0.57%

+0.38%

2025-11-21

1.88%

0.19%

-1.69%

2025-11-18

—

1.88%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
6.3	3.1	MEDIUM	`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L` Click to expand Attack vector (AV:N) Could be attacked over the internet or any normal routed network—not just someone sitting at the machine. Attack complexity (AC:L) Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup. Privileges required (PR:L) A normal user session is enough; they don’t have to be admin. User interaction (UI:N) Nobody has to click “OK” or open a trap file; it can work without a victim helping. Scope (S:U) Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems. Confidentiality (C:L) Some sensitive info could get out, but not a total data dump. Integrity (I:L) Attackers could change some data, but it’s limited—not everything goes. Availability (A:L) Might cause slowdowns, glitches, or partial disruption—not a full brick.	2.8	3.4	[email protected]
8.8	3.1	HIGH	`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H` Click to expand Attack vector (AV:N) Could be attacked over the internet or any normal routed network—not just someone sitting at the machine. Attack complexity (AC:L) Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup. Privileges required (PR:L) A normal user session is enough; they don’t have to be admin. User interaction (UI:N) Nobody has to click “OK” or open a trap file; it can work without a victim helping. Scope (S:U) Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems. Confidentiality (C:H) Serious risk that confidential data gets exposed in a big way. Integrity (I:H) They could widely tamper with or forge data—trust in the data is badly hurt. Availability (A:H) Could take the service down hard or make it unusable for people who depend on it.	2.8	5.9	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

6.3

3.1

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L Click to expand

Attack vector (AV:N): Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L): Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L): A normal user session is enough; they don’t have to be admin.
User interaction (UI:N): Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U): Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:L): Some sensitive info could get out, but not a total data dump.
Integrity (I:L): Attackers could change some data, but it’s limited—not everything goes.
Availability (A:L): Might cause slowdowns, glitches, or partial disruption—not a full brick.

2.8

3.4

[email protected]

8.8

3.1

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Click to expand

Attack vector (AV:N): Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L): Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L): A normal user session is enough; they don’t have to be admin.
User interaction (UI:N): Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U): Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H): Serious risk that confidential data gets exposed in a big way.
Integrity (I:H): They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H): Could take the service down hard or make it unusable for people who depend on it.

2.8

5.9

[email protected]

OS Trackers for CVE-2023-38060

vendor	priority	summary	link
`debian`	not yet assigned	CVE-2023-38060 not yet assigned priority: Debian including 2 source packages (otrs2, znuny), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 3, open 2.	https://security-tracker.debian.org/tracker/CVE-2023-38060
`ubuntu`	medium	CVE-2023-38060 medium priority: Ubuntu including 2 source packages (otrs2, znuny), 23 status rows across 12 suites (bionic, focal, jammy, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): DNE 8, needs-triage 8, ignored 7.	https://ubuntu.com/security/CVE-2023-38060

Affected software / configurations for CVE-2023-38060

Vendor	Product	Version	Raw CPE
otrs	otrs	>= 6.0.1, <= 6.0.34	cpe:2.3:a:otrs:otrs:::::community:::*
otrs	otrs	>= 7.0.0, < 7.0.45	cpe:2.3:a:otrs:otrs:::::-:::*
otrs	otrs	>= 8.0.0, < 8.0.35	cpe:2.3:a:otrs:otrs:::::-:::*

References for CVE-2023-38060

URL	Tags
https://lists.debian.org/debian-lts-announce/2023/08/msg00040.html
https://otrs.com/release-notes/otrs-security-advisory-2023-04/	Vendor Advisory

URL

CVE-2023-38060 | Host header injection by attachments in web service

Exploit prediction scoring system (EPSS) score for CVE-2023-38060

Common vulnerability scoring system (CVSS) metrics for CVE-2023-38060

Weakness enumeration for CVE-2023-38060

OS Trackers for CVE-2023-38060

Affected software / configurations for CVE-2023-38060

References for CVE-2023-38060