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CVE-2016-4890· NVD / CVE Program· CNA jpcert

ZOHO ManageEngine ServiceDesk Plus before 9.2 uses an insecure method for generating cookies, which makes it easier for attackers to obtain

ZOHO ManageEngine ServiceDesk Plus before 9.2 uses an insecure method for generating cookies, which makes it easier for attackers to obtain sensitive password information by leveraging access to a cookie.

MediumCVSS 5.3 · v3.0—No exploit No fix recorded
Published
Apr 14, 2017
Updated
Jun 16, 2026
EPSS
3.5% · 89th percentile
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Report tools

JSON

Action score

22

Monitor

Low priority for now.

CVSS
21 / 40 · 5.3 / 10
CISA KEV
0 / 30 · Not listed
EPSS
1 / 30 · 3.5%

Affected systems

VendorProduct
zohocorpservicedesk plus

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • zohocorp servicedesk plusup to 9.1 inclusive

Same product

zohocorp: all records

Other highest-scoring records for the same primary product.

  • CVE-2019-10008Zoho ManageEngine ServiceDesk 9.3 allows session hijacking and privilege escalation because an established guest session is automatically co
    41Plan
  • CVE-2016-4889ZOHO ManageEngine ServiceDesk Plus before 9.0 allows remote authenticated guest users to have unspecified impact by leveraging failure to re
    36Monitor
  • CVE-2015-1479SQL injection vulnerability in reports/CreateReportTable.jsp in ZOHO ManageEngine ServiceDesk Plus (SDP) before 9.0 build 9031 allows remote
    27Monitor
  • CVE-2016-4888Cross-site scripting (XSS) vulnerability in ZOHO ManageEngine ServiceDesk Plus before 9.2 allows remote attackers to inject arbitrary web sc
    22Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
low · data can be read
Integrity
none
Availability
none
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
Low
Integrity impact
None
Availability impact
None

Weakness class (CWE)

CWE-254 · 7PK - Security Features

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records